This charger for automotive use provides a 0.42 A output current. We find it in an American documentation from the 90's. The transistor must have a heat sink.
This very low frequency amplifier has a gain of 1,000 and was found in a 1967 documentation. The circuit is...
September 2016 - Mouser Electronics is making available the new TVS of Littelfuse TP1.5KE to...
This circuit for a frequency of 1 kHz uses a symmetrical source. Other operational circuits can be...