Description
The EL301X, EL302X and EL305X series of devices each consist of a GaAs infrared emitting diode optically
coupled to a monolithic silicon random phase photo Triac.
They are designed for interfacing between electronic controls and power triacs to control resistive and inductive
loads for 115 to 240 VAC operations.

EL3021,EL3022，EL3033为双向可控硅光耦，VDRM=400V,无过零检测