The Vishay Optocoupler consist of a phototransistor optically coupled to a gallium arsenide infrared-emitting diode in a 4 pin plastic package. The single components are mounted opposite one another, providing a distance between input and output for highest safety requirements of > 3 mm. Rated recurring peak voltage (repetitive) VIORM = 1450 Vpeak
Thickness through insulation ≥ 3 mm
Creepage current resistance according to VDE 0303 / IEC 60112 comparative tracking index: CTI ≥ 200