Using 9013 triode to form a time-limited warning circuit

9013 is a kind of NPN type silicon low power triode. It is a very common crystal triode. It is often seen in radios and various amplifying circuits. It has a wide range of applications. It is an NPN type low power triode. Can also be used as a switching transistor.
Parameters: structure NPN; collector-emitter voltage 25V; collector-base voltage 45V; emitter-base voltage 0.7V; collector current Ic Max 0.5A; dissipation power 0.625W; operating temperature -55 °C ~ +150 ° C; characteristic frequency 150 MHz.

Time-limited warning circuit



USB Power Strip

USB power strip

USB power strip

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