Soldering Temperature on PCBA Quality

Pcba manufacturing, soldering quality, it’s a really big part of being able to trust what you make is good and helps send electricity around, and making sure everything keeps running just fine far out into the future. Temperature control is the most important part among all soldering parameters. Soldering temperature wrong will create hidden defect which will shorten life of product and make performance less good.

As a professional PCBA factory, SUNSAM PCBA maintains strict control over soldering temperature for SMT and THT processes, thus guaranteeing that customer products across different industries will be in stable, repeatable, and high quality in SMT and THT assembly process.

Soldering temperature and PCBA manufacturing

Soldering temperature impacts how solder paste melts, wets, and forms bonds with the component and PCB pad. Reflow soldering or wave soldering, temperatures have to be shaped up for component types, PCB stuff and solder alloys.

Too cold, solder won’t melt or stick to the pad very well, so the joint might be weak. If the temperature gets too high, the parts and PCBs will get damaged by heat, their dependability may go down and they might fail right away.

Proper temperature control is therefore important to get the right solder joints and keep things electrically and mechanically sound.

Effects of Wrong Soldering Temperature

1. Low Soldering Temperature Risks

Soldering temp is low:

Poor solder wetting might happen

Cold solder joints may occur, which can cause intermittent electrical connections

It may lead to increased circuit contact resistance

It is seriously short of long-term reliability

These problems are very important for high density SMT boards and fine pitch components.

2. Excessive Soldering Temperature Risks

Soldering overheating causes:

PCB delamination/pad lift

Component damage, mostly ICs and plastic packages

Intermetallic compound grows too much and makes solder joints weaker

Higher chance of getting too hot and breaking down earlier

Especially dangerous for multilayer PCB and heat sensitive components.

Reflow Soldering Temperature Profile: A Key Control Point

Reflow soldering temperature in SMT assembly is not a value, but rather a controlled temperature profile, usually as follows:

Preheat Zone: Gradual temperature increase to avoid sudden heat shock

Soak Zone: Temperature stabilizer and activator of flux

Reflow(Peak) Zone: Solder paste melts completely and forms joints

Cooling Zone: Joint Strength Controlling

At SUNSAM PCBA, every product is customized by PCB thickness, components layout and solder alloy for the best solder joint formation without overstressing materials.

SUNSAM PCBA’s Approach for Soldering Temperature Control

SUNSAM PCBA wants the same quality of soldering all the time, so it has temperature control for every line of production:

Precise control reflow oven (Multi-Zone Temp)

Real-time temperature Monitoring & Data Logging

Profile Validation by means of Thermal Profiling Equipment

Complex boards and special elements (BGA, QFN, LGA) engineering review

Production feedback based continuous process improvement

This systematic way makes sure that SUNSAM PCBA keeps good yields and same quality for both first tries and large amounts of making.

Industry Applications that require strict temperature control

Accurate soldering temperature control is very important in some applications such as:

Industrial control systems

Power electronics board and power management board

Communication and networking equipment

Consumer Electronics high density

Automotive & High-reliability Electronics

SUNSAM’s PCBA experiences of different sectors, let us to be adjusted to the soldering parameters of different kinds of technical request.

Why customers trust Sunsam PCBA

Customers go to SUNSAM PCBA not for capacity but for process.

Deep soldering metallurgy & thermal behavior

Strong engineering support during designing and making process

Consistent quality through standardized process control

Reduce hidden defect risk and field failure

Solders with critical parameters controlled by temperature to increase the product reliability of customers such as SUNSAM PCBA, enhance competitiveness in the market.

Conclusion

Soldering temperature is a very important and complicated element in PCBA. Precognizance regulation is necessary to reach dependable solder unities, safeguard elements, and make sure lengthy finished commodity efficiency.

SUNSAM PCBA has PCBA service, equipped with advanced SMT equipment, temperature monitoring system, professional engineering staff. We offer PCBA that is of high quality and can be used.

For any further question regarding about our soldering process service or PCBA manufacturing service, you are all welcomed to contact us for further inquiry of SUNSAM PCBA.