One of the field effect tube time relay circuits
Source: InternetPublisher:吃掉星星 Keywords: Field effect transistor time relay relay circuit BSP Updated: 2021/07/10
It is actually a JSB-1 type time relay circuit. It uses type 3C01 field effect
transistor (P-channel enhanced type) for comparison. The maximum delay of this timer can reach 5min, the specific delay can reach 5s/yF, and the delay error
is <±5%.
Adjust the potentiometer RP to change the delay time.
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