Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle

SMD aluminum electrolytic capacitor

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Collected some ST power control chip VIPER22A information for everyone to browse, I hope to help everyone!

The VIPer22A is an offline wide range dual output power switching frequency of 60 kHz for secondary regulation and optocoupler settings. One output provides 5V 1A, while the second output delivers12V 0.42A, in the total output power of the package which is an off-line wide range VIPer22A dual output power switching frequency of 60 kHz is set for secondary regulation with optocoupler. One output provides 5V 1A, while the second output delivers12V 0.42A, with a total output power of 10W.

This is an off-line wide range VIPer22A dual outputs power supply at a switching frequency of 60kHz and is set up for secondary regulation with an optocoupler. One output delivers 5Vat 1A and while a second output delivers12V at 0.42A, making up the total output power Of
10W.

An example of its application is shown in the attached PDF document!