See datasheet soes021c.pdf.
●COMPATIBLE WITH STANDARD TTL INTEGRATED CIRCUITS
● Gallium-Arsenide-Diode Infrared Source Optically Coupled to a Silicon npn Phototransistor
● High Direct-Current Transfer Ratio
● High-Voltage Electrical Isolation
●1.5-kV, 2.5-kV, or 3.55-kV Rating
● High-Speed Switching
●tr = 7 us, tf = 7 us Typical
● Typical Applications Include Remote Terminal Isolation, SCR and Triac Triggers, Mechanical Relays and Pulse Transformers
● Safety Regulatory Approval
● UL/CUL, File No. E65085
