This triac circuit was found in the October 1987 Radio Electronics magazine. The triac is load-dependent and must be mounted on a heat sink.
In relation to the previous circuit (CB18493E) this spy has an extra transistor, which can be a...
March 2017 - Mouser Electronics announces its new TPSA89 voltage regulator from Texas Instruments with...
This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard...