Solid state relay (CB8518E)

This circuit was found in a 90s Popular Electronics. Both the coupler and the MOSFET can be of any type.

MTD6508 Motor Driver - Microchip
September 2017 - Mouser Electronics is now offering Microchip MTD6508 engine drivers. These...
Heater control with CA3058 (CB25879E)
The RCA integrated circuit used in this control is uncommon today. The circuit is from an...
Anti Surge Voltage Regulator (CB12294E)
The presence of C1 in this circuit from a 1977 publication, reduces surges. The circuit is for 30 V...