JB-22 type transistor relay circuit
Source: InternetPublisher:酷到被通缉 Keywords: Transistor relay circuit TI transistor Updated: 2021/01/11
When the input terminal is disconnected, the transistor VTi is turned on, VTz is cut off, and the relay KA is released.
When the input terminal is short-circuited. VTi is off, VTz is on, and KA is on.
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