The TOSHIBA TLP630 consists of a photo−transistor optically coupled to two gallium arsenide infrared emitting diode connected inverse parallel in a six lead plastic DIP package. Collector−emitter voltage: 55V min. Current transfer rati 50% min. Rank GB: 100% min. Isolation voltage: 5000Vrms min. UL recognized: UL1577 file no. E67349