This circuit is from an American documentation of 1975. The FET may be the BF245 and the relay is of the reed type with a coil according to the supply voltage and current of approximately 1 mA. The time is given by the value of the capacitor used.
This circuit is from an American documentation of 1975. The FET may be the BF245 and the relay is of the reed type with a coil according to the supply voltage and current of approximately 1 mA. The time is given by the value of the capacitor used.
