Home > categories > Electrical Equipment & Supplies > Relays > What is the difference between the plastic seal type and the solder resist type? Dust cover and the difference between the type of solder mask?
Question:

What is the difference between the plastic seal type and the solder resist type? Dust cover and the difference between the type of solder mask?

What is the difference between the plastic seal type and the solder resist type? Dust cover and the difference between the type of solder mask?

Answer:

Plastic type is generally can be immersed in the cleaning agent as a whole, sealed structure.
May 9, 2017
Solder flux type refers to the relay installed on the PCB board when the welding flux will not enter the relay, meaning that the next part is sealed, the top of the shell will generally have ventilation holes.
May 9, 2017
Dust cover is only the basic dust effect, the flux may enter, but not the overall cleaning. There is no standard distinction, each factory that is not the same way.
May 9, 2017

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