USB switch

This circuit make possible disconnecting a USB device pernamently connected to the PC motherboard (i.e. card reader in PC case) if isn’t in use.

R1, R2 10 kohm, SMD 1206
R3 100 kohm, SMD 1206
ZD1 8V2, SOD80 Zener. dioda
(6V8 až 18V)
T1, T2 BSS138, SOT23, code mark SS
Sw externí spína? / external switch
4 nebo 6 pin? kolíková lišta
4 or 6 pins header
4 nebo 6 pin? ditinková lišta
4 or 6 pins plug
deska s plošnými spoji bcs57

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