This simple charger was found in a 1980s documentation. The transistor may be the TIP42 with a heat sink. R1 adjusts the load current. The transformer has 1 A of secondary current.
Vz determines the trigger point for this protection circuit. The SCR doesn’t need to be mounted on a...
September 2017 - Texas Instruments DRV5032 Hall Effect sensors, an ultra-low power digital switch...
August 2016 –It can be purchased from Mouser Electronics the new converters BD7F100 and BD7F200...