Lead-Free PCB Assembly
RoHS & REACH Compliant PCB Assembly
- One-Stop Solution for PCBs, Components & Assembly
- SMT assembly + PTH assembly + Manual assembly
- RoHS/REACH Compliant Lead-Free PCB Assembly
- ISO9001:2015 Certified & UL Listed
- IPC A-610 Class 2 standards
- 100% E-test, AOI, ICT, FCT
Introduction of Lead-Free PCB Assembly
PCB assembly involves soldering components onto a printed circuit board using methods like SMT reflow soldering, wave soldering, or manual soldering. Lead-free PCB assembly refers to the use of solder that does not contain lead (Pb), ensuring the assembly is RoHS-compliant.
To understand lead-free PCB assembly, it’s helpful to first differentiate between leaded and lead-free solder.
Leaded Solder has been widely used in the electronics industry for many years due to its excellent solderability and cost-effectiveness. The most common leaded solder composition consists of 63% tin and 37% lead, or sometimes 60% tin and 40% lead.
Lead-Free Solder, on the other hand, has become increasingly common due to health and environmental concerns associated with lead. Lead-free solder, such as SAC305, typically contains 96.5% tin, 3% silver, and 0.5% copper, along with trace amounts of other elements. This type of solder ensures compliance with RoHS standards, making it a safer and more eco-friendly choice for modern PCB assembly.
When Should We Use Lead-free PCB Assembly?
Lead-free PCB assembly is essential for RoHS-compliant electronic products and has become a standard in the PCB assembly industry. As international environmental regulations continue to tighten, the transition to lead-free PCB assembly is an inevitable part of the electronics industry’s development and production processes.
Today, lead-free PCB assembly is widely used in most electronic products and is expected to become even more prevalent in the future. Manufacturers of lead-free PCB assembly are required to adhere to RoHS standards, which involve replacing traditional lead-based solders with environmentally friendly, lead-free alternatives.
