What does IPC mean by wire diameter?
The wire diameter is the total/overall diameter of the wire (including insulation). This is also called the outside diameter. This is described in the IPC-A-610, J-STD-001 and IPC/WHMA-A-620 standard.
How much light do you need in your workplace?
IPC indicates that the minimum lighting in the workplace should be about 1000 lm / m2 in order to be able to work (solder) and inspect properly. The colour temperature is also indicated. For further information see the IPC-A-610, J-STD-001 [...]
Who determines in which product class a product is produced?
IPC has 3 product classes: class 1 (consumer electronics), class 2 (industrial electronics) and class 3 (high reliability electronics). The customer may determine the product class in which the product must be produced. It is important that the inspector knows [...]
After soldering, the insulation of the wire has melted slightly, is this allowed for class 3?
Yes that is allowed. It's almost impossible that this will not happen. Due to the heat from the soldering iron, the insulation always melts slightly backwards …..unless you use a heat shunt (heat sink) or a heat-resistant insulation (such as [...]
