Transistor Output Photocouplers and Photorelays; Features: Standard; Package: DIP4; Surface Mount Type: Y/N; Number of Pins: 4; Current Transfer Ratio (max): 600% @I_F=5mA, V_CE=5V; Current Transfer Ratio (min): 50% @I_F=5mA, V_CE=5V; Isolation voltage BVs @1minute (min) (V_rms): 2500; Collector-emitter voltage V_CEO, max (V): 55