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PCB Tech

PCB Tech

PCB Tech

PCB Tech

Several skills of pcb circuit board welding​

Several skills of pcb circuit board welding

Soldering circuit boards is a basic skill for electronic engineers, and you should know a few techniques on how to solder circuit boards.

1. You need to prepare a soldering iron. There are many options on the market. You can even buy it from Amazon and use a soldering iron with proper heat control.

2. Suitable alloy solder wire. It is recommended to use lead-free tin wire, you can choose based on the wire thickness of your component, 0.8mm or 1.00mm is normal use, you also need to consider the tin wire is a clean cotton wool or no-clean flux.

3. If possible, get flux-cored wire

Several skills of pcb circuit board welding

Flux is an additive in solder that promotes the soldering process by removing and preventing oxidation and improving the wetting characteristics of liquid solder. There are different types of flux cores for solder wires.

4. Obtain PCB circuit boards and electronic components.

5. Purchase jigs to fix the components

When you have all these ready, you can start soldering the circuit board. If you only do prototype PCB assembly, you can solder the circuit board yourself. If there are more PCB boards, we recommend you to choose a PCB assembly like Rayming. The supplier will help you, who can control the quality of your assembly.

Soldering is one of the most needed skills to get involved in the electronics field. The two people get together like peas and carrots. Moreover, although it is possible to understand and manufacture electronic products without having to pick up the soldering iron, you will soon discover that this simple skill can open up a whole new world. We at RayMing believe that welding should be a skill in everyone's arsenal. In a world of ever-growing technological environment, we believe that it is very important that people in every place not only understand the technologies they use daily, but also build, change and repair them. Welding is one of many skills that will enable you to do this.

Soldering to a circuit board can be tricky: too much heat can cause the copper traces to move directly away from the board substrate. Use a soldering iron with a rated power of 15-25 watts, which can no longer be used.

First, gently wipe the typewriter eraser on the board to clean the copper until it is bright and shiny. As with any electrical connection, only use 60-40 rosin core solder, and it is best to use a specification close to the size of the lead you are connecting. Insert the wire or component lead into the circuit board from behind and bend it enough to prevent the component from falling.

Lightly touch the tinned solder joint to the copper wire and lead at the same moment. After a few seconds, touch the leads with solder ends, and add enough solder to make puddles, but not enough to make fat blisters. The solder needs to wet the leads and copper wires.

Quickly remove the soldering iron and solder. After the solder has cooled enough to freeze, do not disturb the circuit board. If you use the proper heat, this should only take a few seconds.