Charging time relay circuit 2

Posted on Mar 28, 2007

Charging time relay circuit 2 It is a long delay circuit. When the capacitor C is 5000yF, the delay can be up to 1. 3h. By transistors VTi and regulator VS2, VS3 group as a con

Charging time relay circuit 2
Click here to download the full size of the above Circuit.

stant current source, in order to improve the accuracy of the delay. Press the button SB, KA relay pull, VTz off, VT3 conduction. After after a delay, VTz conduction, VT3 deadline, KA released. Adjustment potentiometer RP, adjust the delay time.

Leave Comment

characters left:

New Circuits



Popular Circuits

Multi-spark module for Electronic Ignition
Privacy in parallel telephone line
Flash Signal Alarm Circuit
relay found in switch mode power supply
Mini efficient coil launcher from disposable camera flashs
SiPM Amplifier
Seven-segment LED display circuit diagram of a counter
SAA1042 stepper motor control circuit
Bonsai electronic circuit