... JC817S ,JC817S1 CQC UL approved ,CSA approved High Density Mounting Type Photocoupler optical coupler JC817 OC PC817 - Basic Features: 1. ... at VCE=2V, IC=2mA, RL=100 Ω)4. Package type: dual-in-line package5. CQC approved6. UL approved7. CSA ... for PC817 ,P521 series- Applications: 1. Computer terminals.2. System appliances, measuring instruments.3. Registers, copiers, automatic vending machines.4 ...