Found in Unitrode documentation from the 1980s, this circuit makes use of PUTs, currently common components. The circuit must be powered with voltages around 15 V.
September 2017 - Mouser Electronics counts in stock with Murata Y1 ceramic capacitors for SMD...
This protection circuit was obtained in a 1969 Electronic Design. The SCR can be the current...
June 2017 - The new TE Connectivity FSJMI series of illuminated tactiles switches is now available in Mouser...