Isocom, CNY17F-4 Optocoupler. Mounting Type: Surface Mount. Output Device: Phototransistor. Maximum Forward Voltage: 1.65V. Number of Pins: 6. Package Type: DIP. Input Current Type: DC. Typical Rise Time: 4.6µs. Maximum Input Current: 60 mA. Isolation Voltage: 5.3 kVrms, 7500 V Pk. Maximum Current Transfer Ratio: 3.2. Typical Fall Time: 15µs. Minimum Current Transfer Ratio: 1.6.