This circuit was found in Philips documentation from 1967. The components are of the time, being transistors like BCY38 for TR1, BC108 for TR3, and others depending on currents.
June 2016 - It can be obtained from Mouser Electronics Power inductors for automotive use of...
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...
This is a commercial circuit of a transistor amplifier of some watts with the OC30 transistor. The 12 V...