Best Immersion Tin PCB Manufacturer Since 2008

PCBMay is well-experienced in designing and developing Immersion Tin PCBs. Since 2008, we have dedicated ourselves to the quality production of PCB with world-class quality and performance. PCBMay is your cost-effective solution for Immersion Tin PCB fabrication and assembly.

  • 10+ years manufacturing line
  • Professional before and after-sales service
  • Cost-effective solution
  • Custom PCB for your business
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Immersion Tin PCB is Your Best Choice for Your Project

If you are looking for a professional manufacturer and supplier of immersion tin PCB, PCBMay has got you covered. We offer high-end and a wide range of PCBs for your business. All are in compliance with UL, CE, UL, ISO, etc. It is guaranteed safe and effective suitable for various applications including consumers, industrial electronics, communication, automotive, etc.

Message PCBMay to custom your immersion tin PCB!


Types of Immersion Tin PCB Meet Your Requirements

0.05mm Flexible Immersion Tin PCB

0.05mm Flexible Immersion Tin PCB is made from FR4 Base Material with 1oz copper thickness. Specifications: 0.05mm board thickness, 0.15mm min. Hole size 0.2mm min. Line spacing. The board size of this product is available in OEM services.

12 Layers Immersion Tin Gold PCB

It is available in custom specifications with various solder mask colors like black, red, yellow, white, blue, green, etc. PCBMay is committed to creating the best Immersion Tin PCB for your business.

Custom Immersion Tin PCB

Depending on your specific needs, PCBMay will choose a PCB surface finish for your specific requirements. This surface finish offers you a longer shelf life PCB.

Electronic FR4 Immersion Tin Gold PCB

Electronic FR4 Immersion Tin PCB is used for electronic devices. It is accessible in 1-40 Layers (include Rigid-Flex PCB). PCBMay aims to be your best Immersion Tin PCB partner manufacturer in China.

FR-4 Multilayer Immersion Tin Gold PCB

This product has 1 OZ, 0.5-8 oz copper thickness, 0.1 MM min hole size, 0.05MM min. line width and 0.05 MM min. line spacing.  Customize FR-4 Multilayer Immersion Gold PCB that meets your requirements.

Lead Free Immersion Tin PCB

Our team performs testing services including ICT, function tests, X-rays, AOI. Lead-Free Immersion Tin PCB is available in 1-40 layers, depending on your needs.

Why Choose PCBMay for Your Immersion Tin PCB

PCBMay is your trustworthy Immersion Tin PCB manufacturer and supplier in China. We offer various PCB surface finishes, including immersion tin. This surface finish has so many advantages for your PCB. It delivers good surface planarity suitable for assembling components. Immersion Tin circuit board offers excellent flexibility, especially for fine pitch boards.

PCBMay is an ISO-certified supplier that can produce PCB products efficiently. All types of immersion tin PCBs are here offered at a very cost-effective price. We can vary products’ thickness, size, and design, making them perfect for your demands. Message us today!

VPC Plating Line

Related Immersion Tin PCB Boards

Immersion Silver PCB
Immersion Silver PCB
PCBMay produce UL certified immersion silver PCB - a cost-effective solution for your PCB surface finish.
PCBMay has various kinds of surface finish that can be used along with your type of PCB project such as ENEPIG PCB.
OSP PCB is a water-based and organic surface finish that is commonly utilized for copper pads.
ENIG PCB or Electroless Nickel Immersion PCB is a double layer metallic coating with low cost and robust surface finish for your PCB.
With HASL PCB surfaces, it features low-cost and repairable. A popular surface finish choices for you.
Hard Gold PCB
Hard Gold PCB
Also called Hard Electrolytic Gold. This process is composed of layer of gold with added hardeners for increased sustainability and durability.
Electroless Nickel Immersion PCB
Electroless Nickel Immersion PCB
Electroless Nickel Immersion PCB are RoHS, CE, UL compliant. It offer great impact shelf life and excellent performance finish.
Custom Surface Finish PCB
Custom Surface Finish PCB
We can custom surface finish including immersion silver, hard gold, flash gold, OSP, HASL, HASL lead free, immersion gold, etc.

Immersion Tin PCB Production Details As Following Up

Brown Oxide
PTH Line
VCP Plating   AOI  Exposure E-Test
Layer Count1-40layers
Base MaterialKBShengyiShengyiSF305FR408FR408HRIS410FR406GETEK370HRIT180ARogers4350BRogers4000PTFE Laminates(Rogers seriesTaconic seriesArlon seriesNelco series)Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4)
Board TypeBackplane、HDI、High multi-layer 、blind&buried PCB、Embedded Capacitance、Embedded resistance board 、Heavy copper power PCB、Backdrill.
Board Thickness0.2-5.0mm
Copper ThicknessMin. 1/2 OZ, Max. 10 OZ
PTH Wall25um(1mil)
Maximum Board Size1100*500mm(43”*19”)
Min laser drilling size4mil
Min. Spacing/Tracing2.7mil/2.7mil
Solder MaskGreen, Black, Blue, Red, White, Yellow,Purple matte/glossy
Surface TreatmentFlash gold(electroplated gold)ENIGHard goldFlash goldHASL Lead freeOSPENEPIGSoft goldImmersion silverImmersion TinENIG+OSP,ENIG+Gold finger,Flash gold(electroplated gold)+Gold finger,Immersion silver+Gold finger,Immersion Tin+Gold finger.
Min. Annular Ring3mil
Aspect ratio10:1(HASL Lead freeHASL LeadENIGImmersion TinImmersion silverENEPIG);8:1(OSP)
Impedance control±5ohm(<50ohm), ±10%(≥50ohm)
Other TechniquesBlind/Buried Via
Gold Fingers
Press Fit
Via in Pad
Electrical Test

Here there’re many laminate material datasheets, they’re useful and helpful for you, please see them:

TU-872Modified EpoxyDOWNLOAD2003403.8-4.03.8
RO 3010Cer/PTFEDOWNLOAD50010.2
RO 4003Hydrocarbon/CerDOWNLOAD>2804253.38
RO 4350BHydrocarbon/CerDOWNLOAD>2803903.48
RT/duroid 5880PTFE/GlassDOWNLOAD5002.2
ISOLAPolyclad 370HRFR4DOWNLOAD1703404.8-5.1
HitachiMCL-BE- 67GModified EpoxyDOWNLOAD1403404.94.4
MCL-LX-67YSpecial LaminateDOWNLOAD185-195325-3453.4-3.6
NelcoN4000-13Modified EpoxyDOWNLOAD210-2403653.73.6
N4000-13EPModified EpoxyDOWNLOAD210-2403503.43.2
N4000-13SIModified EpoxyDOWNLOAD210-2403503.43.2
N4000-13EP SIModified EpoxyDOWNLOAD210-2403503.43.2
ArlonArlon 25NCerDOWNLOAD2603.38
Arlon 25FRCerDOWNLOAD2603.58
Arlon 33NPolymideDOWNLOAD>2503534
Arlon 35NPolymideDOWNLOAD>2503634.2
Arlon 85NPolymideDOWNLOAD2503874.2
StablcorST325DOWNLOADThermal conductivity:75w/m.k(with 1oz copper)
ST10DOWNLOADThermal conductivity:325w/m.k(with 1oz copper)
Bergquistht-04503DOWNLOADThermal conductivity:2.2w/m.k(with 1oz copper)


PCBMay offers flexible shipping methods for our customers, you may choose from one of the methods below.

1. DHL

DHL offers international express services in over 220 countries.
DHL partners with PCBMay and offers very competitive rates to customers of PCBMay.
It normally takes 3-7 business days for the package to be delivered around the world.

DHL Forwarder

2. UPS

UPS gets the facts and figures about the world’s largest package delivery company and one of the leading global providers of specialized transportation and logistics services.
It normally takes 3-7 business days to deliver a package to most of the addresses in the world.

UPS Forwarder

3. TNT

TNT has 56,000 employees in 61 countries.
It takes 4-9 business days to deliver the packages to the hands
of our customers.

TNT Forwarder

4. FedEx

FedEx offers delivery solutions for customers around the world.
It takes 4-7 business days to deliver the packages to the hands
of our customers.

Fedex Forwarder

5. Air, Sea/Air, and Sea

If your order is of large volume with PCBMay, you can also choose
to ship via air, sea/air combined, and sea when necessary.
Please contact your sales representative for shipping solutions.

Note: if you need others, please contact your sales representative for shipping solutions.

On our website you can use the following payment methods:

Telegraphic Transfer(TT): A telegraphic transfer (TT) is an electronic method of transferring funds utilized primarily for overseas wire transactions. It’s very convenient to transfer.

Bank/Wire transfer: To pay by wire transfer using your bank account, you need to visit your nearest bank branch with the wire transfer information. Your payment will be completed 3-5 business days after you have finished the money transfer.

Paypal: Pay easily, fast and secure with PayPal. many other credit and debit cards via PayPal.

Credit Card: You can pay with credit card: Visa, Visa Electron, MasterCard, Maestro.

    Your Top-Rated Immersion Tin PCB Manufacturer

    Are you seeking the most dependable manufacturer of immersion tin PCB? PCBMay is your perfect choice. We are a proud supplier of Immersion Tin PCBs. We can meet your different demands. Our immersion Tin circuit board offers outstanding quality and features. It is cost-effective and will support your business.

    PCBMay offers various kinds of surface finishes to your PCB, including Immersion Tin printed circuit board. The copper pads of this PCB have a tin layer. The tin layer protects the printed circuit board from oxidation. It extends the PCB’s shelf life. This method is suitable for applications including consumers, industrial electronics, communication, and automotive purposes. PCBMay’s PCB is UL, CE, and RoHS compliant, with superior planarity, offering you a better workable surface when assembling PCB components.

    Our PCBMay Immersion Tin PCB Features:

    • Lead-free Immersion Tin PCB
    • Superb flat surface that gives you a compatible working surface
    • Cost-effective method
    • Best solderable surface even after you expose it to multiple thermal cycles
    • Repairable
    • Highly suitable for press-fit pin insertion
    • Reliable and durable

    Choose PCBMay as your #1 supplier of immersion tin printed circuit board now. Supplying you the premium quality immersion tin PCB is our priority. We aim to help you find and get your ideal products at an affordable rate.

    In the entire process, PCBMay will guide you until the completion. From material sourcing, designing, layout, fabrication, and developing immersion tin circuit board, PCBMay is your ultimate partner. Our engineering and technical team has rich knowledge and skills in this industry.

    To ensure guaranteed products, PCBMay will rigorously test, check and inspect every batch of immersion tin PCB before the products are delivered to you. For you to check the quality, we offer free samples with detailed videos and images.

    As an ISO9001 and ISO-14001 certified company, PCBMay performs strict quality control to ensure defect-free and effective immersion tin board. Moreover, PCBMay is capable of handling all your OEM and custom orders. You can send your specifications to us.

    Immersion Tin PCB

    Aside from immersion Tin PCB, we also offer Immersion Silver PCB, ENEPIG PCB, ENIG PCB, OSP PCB, HASL and lead-free HASL PCB, and many more. As a professional manufacturer, PCBMay can provide you with the best solution for your PCB surface requirements. You can find a full variety of Immersion Tin PCB from us.

    For more information, contact us immediately! Our team is 24/7 online to support your needs.

    Immersion Tin PCB – The Ultimate FAQ Guide

    Are looking for such a printed board circuit that is longer lasting and avoids corrosion?

    Or are you looking for relief from daily short circuit headaches?

    If these are your concerns, you’ve come to the right place.

    Below, the FAQs guide is definitely about one such printed circuit board, the Immersion Tin PCB.

    So let’s get into it!

    What is Immersion Tin PCB?

    The Immersion Tin PCB are PCBs embedded in a very thin layer of tin to protect overall copper from oxidation and corrosion..

    These circuits have a flat surface design, and due to the feature, they can be easily placed in assembly or used in various applications.

    They are cost-effective and simple. With an understanding of the system, they can achieve it at home. But this requires a certain amount of skill and proficiency.

    If we talk about the use of these PCBs, they are now best-selling products. The main reason is, they are affordable and lead-free.

    They can be re-used, they provide strength to the assembly, and they are long-lasting.

    Immersion Tin PCB

    Immersion Tin PCB

    What is the Thickness of a Copper Layer in the Immersion Tin PCB?

    The thickness of the copper layer in Immersion Tin PCB is ideally between 1.4 mm to 2.8 mm internally and becomes 2 to 3 when external layers are included.

    This can be changed according to your needs. If you require a simple Immersion Tin Printed Circuit Board, constructing it yourself may be enough for simple usage.

    But If you plan to use immersion tin circuit boards commercially, you have to make a more robust and more efficient circuit.

    For commercial use, this indeed requires variations in the thickness of copper layers.

    In addition, an increase in the thickness of copper layers also has benefits in passing current and the overall performance of the circuit.

    PCBs like HDI and Rogers have used the same technique in manufacture. Their copper material varies when you try to make stronger circuits.


    Thickness of a Copper Layer in the Immersion Tin PCB

    The thickness of a Copper Layer in the Immersion Tin PCB

    What is the Appearance of the Immersion Tin PCB?

    The appearance of an Immersion Tin PCB is mostly white, and this is due to the coating of a thin tin layer over the copper layer.

    Tin, a chemical element, becomes white when melted. During the manufacturing of the Immersion Tin printed circuit board, tin has been melted and precision-coated on each copper layer.

    This is completely done by professional equipment.

    When it’s dry, it’ll give white color to the whole coating. Due to this white appearance, these PCBs are easy to identify.

    Also, the tin coating is performed well to ensure a good product while the current is being passed.

    Appearance of the Immersion Tin PCB

    The appearance of the Immersion Tin PCB

    What is the Purpose of Immersion Tin PCB?

    The primary purpose of Immersion Tin PCB is to protect pads and copper tracks on PCB while in storage.

    It has succeeded in providing the electronic world with more effective power, fueling digital commerce.

    The properties of Immersion Tin PCB include its lead-free nature.

    Because it is lead-free, it is appreciated worldwide: No other printed circuit board provides a lead-free feature at such a low cost.

    Besides, there are lots of applications Immersion Tin boards have in this world. You can create more efficiency in your digital work by using them.

    Purpose of Immersion Tin PCB

    Purpose of Immersion Tin PCB


    Where is Immersion Tin PCB Used?

    It is mainly used when we need an alternative to a lead-based surface.

    The high smoothness and extra pitch of this type of PCB have made it perfect to use in the mount components.

    It was mentioned above, that the main benefit is being a lead-free PCB alternative.

    But aside from this, immersion Tin PCBs have other individual benefits.

    These individual benefits include their applications in different medical, scientific, and digital fields.

    These are applications where immersion tin boards are used as the standard, not just an alternative.

    Uses of Immersion Tin PCB

    Uses of Immersion Tin PCB

    What is the Working Principle of the Immersion Tin PCB?

    The working principle of Immersion Tin PCB is to undergo a chemical substitution reaction by changing the chemical potential of copper ions.

    That is how the stannous ions are caused in the platting solution, which undergoes a chemical substitution reaction.

    Aside from this, the chemical process protects the circuit along with the whole assembly from corrosion with their tin coatings.

    The flexibility in the material also improves the passing of current.

    Working Principle of the Immersion Tin PCB

    Working Principle of the Immersion Tin PCB

    What Materials are Used in the Immersion Tin PCB?

    It is the circuit that is material-sensitive, as well as conditions-sensitive. You have to maintain the correct environment and proper conditions to manufacture this kind of PCB.

    Here are the materials that are used to manufacture the Immersion Tin Printed Circuit Board:

    • Metal surface circuit board
    • Copper
    • Tin

    These materials are precisely used and adjusted by engineers during the manufacturing process. This is so that the Immersion Tin PCB is an efficient product sold to the market.

    Materials Used in the Immersion Tin PCB 1

    Materials Used in the Immersion Tin PCB

    What are the Alternatives of Immersion Tin PCB?

    HASL, OSP, ENIG. These are the top alternatives for Immersion Tin PCB.

    These PCBs can be used as alternatives for Immersion Tin circuit boards because they work the same as Immersion Tin PCB.

    But the difference is created when it comes to the cost and some minor but core features. All of these alternatives are efficient but not cost-effective and have differences at some points.

    For example, some of these are not lead-free and don’t use the coating procedure. Also, some of them prefer wirings and connections that increase the risk of corrosion.

    So, the Immersion Tin board is the first choice, usually. If it is not available, most customers move on to HASL, ENIG, or OSP.

    Alternatives of Immersion Tin PCB

    Alternatives of Immersion Tin PCB

    What is the Manufacturing Process of Immersion Tin PCB?

    The manufacturing process of Immersion Tin PCB involves coatings of thin tin layer over copper layers, using electroless chemical bath (for best adhesion of the tin).

    For the manufacturing of Immersion Tin PCB, standard conditions are required, which involve several steps. These steps include designing the PCB, design review, and printing interior layers of copper.

    After these steps, the rest follows: etching the inner layers, adding multilayers, inner layering, resist stripping, lay-up, PCB lamination, x-ray alignment, optical inspection, drilling, then platting.

    Next, the steps include outer layer imaging and solder mask application.

    Lastly, the silkscreening process will be covered, and performing the coating with tin.

    What is the Price of Immersion Tin PCB?

    There is a diverse span of prices for Immersion Tin PCB in the electronics market. This is because advanced PCBs are continually being developed, with corresponding updates in price.

    In other words, the pricing structure also depends upon the type of design or manipulation you are going to perform.

    If you need a basic product, you will pay a lower price for it. Similarly, you have to pay more for more commercial and stronger Immersion Tin PCB.

    Price of Immersion Tin PCB

    Price of Immersion Tin PCB

    Is Immersion Tin Good for Planar Products?

    They are effective for planar products. Planar products are home appliance products that follow the same electronic pattern.

    Manufacturers want components rid of wirings and other visually disturbing elements which spoil the overall look. So in this regard, they prefer Immersion Tin PCBs.

    Why is Immersion Tin PCB used in  Circuits?

    It is used in circuits to protect the copper and tracks from oxidation and corrosion.

    Lead-free rigid-flex PCB is also considered a cost-friendly choice by engineers.

    Aside from these two reasons, the Immersion Tin PCB is preferred because it is a comparable alternative to other, more expensive PCBs.


    Immersion Tin PCB used in Circuits

    Immersion Tin PCB used in Circuits

    Can You Tin a PCB at Home?

    Yes, it is possible to Tin a PCB at home. In this regard, you have to create a conducive environment that is necessary to manufacture this component.

    You have to arrange for chemical baths, temperature maintenance, and heat cylinders.

    What are the Pros of Using Immersion Tin PCB?

    They have lots of benefits, and some of the main benefits are described below:

    • These PCBs are lead-free so that they can bear higher temperatures and even efficiently work at heat.
    • These PCBs provide higher reliability.
    • Ideal for planar products manufacturing.
    • They are cost-friendly
    • They can be used as alternatives for reflowed solder

    Pros of Using Immersion Tin PCB

    Pros of Using Immersion Tin PCB

    What are the Cons of Using Immersion Tin PCB?

    Immersion Tin PCB is a good product. However, unlike other PCBs, it does not fit well in some situations. The disadvantages are:

    • They are not good for PTH (Plated Through Holes).
    • They contain a carcinogen, called thiourea.
    • They are limited to re-work.
    • There may be risks of tin whiskering.
    • There are some handling concerns are experienced by the engineers during assembly.
    • Lastly, they can damage the solder mask.

    Does the Immersion Tin PCB Avoid Oxidation and Solderability?

    Yes, Immersion Tin PCBs avoid oxidation and solderability. These PCBs involve tin coating in their manufacturing. The addition of this element prevents oxidation and solderability.

    What is the Assembly of the Immersion Tin PCB?

    Immersion Tin PCB assembly is the process where all of the electrical components are embedded. Also, during the assembly process, the electrical components of the circuit to the wirings are connected.

    Assembly also plays an important role in joining all of the components together in one place. In terms of electrical engineers, assembly is called the powerhouse of the circuit.

    Good assembly is highly responsible for the overall performance of the Immersion Tin printed circuit board.

    Assembly of the Immersion Tin PCB

    Assembly of the Immersion Tin PCB

    How to Choose the Best Immersion Tin PCB?

    You have to make in-depth identification of various factors to choose the best Immersion Tin PCB. Here’s a look of the essentials:

    • Component location in the assembly
    • Stack-up of the circuit board
    • Board design
    • Bendability of the PCB
    • Electrical Functionality
    • Strength of the board

    All of these factors have their individual importance. If anything fails, the PCB will not be able to perform efficiently.

    For example, no PCB will be efficient or useful if not placed in the right position in terms of electronic component assembly.

    What is the Best Manufacturer of Immersion Tin PCB in China?

    China Immersion Tin is a huge electronics market for PCB manufacturing. But there are also many manufacturers whose quality matches their rates.

    In this regard, if we talk about the biggest and best Immersion Tin PCB manufacturer in China, PCBMay is the best. PCBMay provides the best high-quality immersion tin circuit boards at a reasonable price, along with a product warranty.

    If we talk about individual or customized orders, they also fulfill these as well.

    For example, if you need 100k Immersion Tin printed circuit boards but with more thick copper layers, and more tin coatings. PCBMay can provide you with it.

    That’s how PCBMay takes care of their customers, and that is what will make them the best-selling PCBs manufacturer in upcoming years!

    What are the Applications of the Immersion Tin PCB?

    Some of the practical applications of these Immersion Tin PCB are given below:

    • Digital Communication: Immersion Tin boards can be used as one of the vital components of watches, smartphones, laptops, tablets, and other equipment used in digital communication.
    • Computer Technology: Today, almost every computing device is designed by using this circuit. This circuit helps your computer in performing several functions with efficiency and for a longer time.
    • Planar Products: Almost all planar products, along with their electronic components, use these Immersion Tin printed board circuits for better efficiency.
    • Industrial Equipment: Industrial equipment uses these Immersion Tin circuits as a vital component in various electrical machines. The most common example includes ramps and presses.
    • Technical Equipment of Measuring: Temperature and pressure are sensitively measured.  Immersion Tin PCB is preferred because they fulfill this need for precision.
    • Scanners: These are medical equipment like X-ray machines, CT Scanners, and all other ultrasonic scanners. They are also sensitive, used for scanning vital internal organs. Again, Immersion Tin PCBs are preferred because they fulfill this need for precision
    • Automotive Components

    Unlike flexible PCBs, you can find immersion tin PCBs in automotive components. Notably, they are used in the safety features of vehicles. Other common applications of the immersion tin board in the automotive components are listed below:

    They are integrated into the airbag deployment sensors, thereby making the flow of electricity easier.

    They also trigger the deployment of the airbags when needed under unfavorable circumstances.

    Some immersion tin PCBs are integrated into the anti-lock brake systems for preventing the vehicle from sudden accidents.

    The audio and video panels of the automotive vehicles also contain the highest quality of immersion in PCB.

    • Aerospace Components

    For the majority of the immersion Tin printed circuit boards that are designed for aerospace, these industrial components are made with a high degree of reliability and robustness.

    They offer zero margins of errors when integrated into different aerospace components. However, some common applications of immersion tin PCB in the aerospace industry are listed below as:

    • They are used in satellite communication because they offer strong delivery of signals
    • Navigation systems and the control systems of the aerospace industry contain this PCB as their major component
    • They offer passive detection systems in the aerospace industry
    • Defense Application

    Naval operations and military defense systems also contain the highest quality of immersion tin circuit board to ensure optimal equipment performance. A wide variety of immersion tin boards are used in this field.

    Almost all the immersion tin PCBs used in the military equipment are subjected to high pressures and temperatures, thereby making them temperature resistant is important.

    Some focus areas of the military where high-quality immersion tin PCBs are used are:

    • They are used to provide power to the AWACS (Airborne Warning and Control System)
    • They are integrated into the radio communication systems
    • LED lightening systems requiring the highest quality PCBs
    • LEDs

    The LED industry utilizes premium quality immersion tin PCBs. LED, short for light-emitting diodes, have a wide range of application including computer, home appliances, and lighting. To make these work, reliable quality of immersion tin circuit board is necessary.

    The majority of the immersion tin PCB are temperature sensors. That is why they are integrated with the LED lighting systems. They provide long-lasting and cost-effective lighting to the LEDs.

    Furthermore, they are integrated with the other PCBs for improving their efficiency.

    However, some common applications of the immersion tin circuit board in the LED industry are listed as:

    • They offer a wide variety of the LED-based circuit designs
    • They help to improve the electrical connections between the individual components of LED
    • They are used to provide the best electrical insulation to the conductors present in LEDs
    • They are known for providing the highest quality of thermal pathways between the different LED components, thereby providing a path for ambient air.


    • Security Equipment

    Besides all the other industries, the security industry is no exception to the applications of immersion tin PCB. These PCBs are used in the majority of the components which are used for improving security actions.

    Some common applications of immersion tin PCB in the security equipment are listed as:

    • They are used in smoke detectors and other similar devices since these PCBs are resistant to high temperatures.
    • They are also used in carbon monoxide detectors, thereby preventing people from continuous exposure to this poisonous gas.
    • The electric door lock systems of many areas such as hotels and homes also contain immersion tin PCB.
    • Modern electric doors function with the use of different types of immersion tin circuit boards.

    Is Immersion Tin Plating Good for PCB?

    Yes, immersion tin plating is suitable for PCB. Mainly, this is because this process is cost-friendly, along with other suitable benefits. These benefits include its lead-free feature, coating, and much more!

    If we talk about the compatibility factor which is more important, then nothing is more compatible than immersion tin for PCB.

    This process ensures the overall excellent performance of the printed circuit board, along with the lead-free feature. This is what makes a PCB more useful, and longer-lasting.

    Immersion Tin Plating also ensures the higher bearing capacity of hot temperatures (i.e., excessive heat).

    According to electrical experts, heat or temperature factors are the most common reasons behind short circuits. So it is very important to avoid changes in temperature to guarantee good performance.

    In this regard, with immersion tin PCBs, you can add more material to make the copper layers thicker.

    This type of thicker Immersion Tin PCBs is usually created and used at commercial scales. They may cost you a higher price compared to the normal Immersion Tin circuit boards, but they are sturdier.

    What is the Difference Between Immersion Tin and Immersion Gold?

    The main difference includes the selection and uses of metals. The immersion gold uses electroless nickel, while immersion silver prefers diffusion of tin and copper, which makes it more pocket-friendly than any ENIG PCB circuit.

    According to the manufacturers, the manufacturing steps of immersion gold are more complex, and it’s hard to maintain the environment while manufacturing it.

    Besides, the Immersion Tin PCB is easy to manufacture and has simpler manufacturing steps as compared to the Immersion Gold.

    One thing really appreciative about the immersion gold is that it offers you the longest shelf life, which is nearly 12 months.

    In the case of Immersion Tin, you get 6 months of life, which expires even under storage.

    However, despite the long shelf life, if you experience defects during surface mounting components, the immersion gold is difficult to rework or repair. But Immersion tin is easily re-workable.

    The immersion gold is expected to experience black pads due to the presence of phosphorus, while immersion tin does not.

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