光耦的基本知识 optical coupler OC LED 1. 70 (SSR) 2. 2pf (2.5KV 10 ICBO( ICBO IFQ opticalcoupler OC LED 1553b LED 70 (SSR) 4N PC817A―C VCD DCD 4 PC817A----C PC111 TLP521 LP632 TLP532 PC614 PC714 PS2031 4N25 4N26 4N35 4N36 ……