This circuit is better than the previous one in that the control is isolated by a transformer. The transformer has 110 or 220 V primary and 6.3 to 12 V secondary with 200 to 500 mA current.
November 2016 - Already available from Mouser Electronics on Texas Instruments' new DS280BR820...
April 2017 - Littelfuse's new two-way discrete TVS diodes for protection against ESD up to 30 kV...
This protection circuit short-circuits a load when the voltage exceeds a certain value causing the...