VISHAY SFH617A is a high-reliability optocoupler with features including 5300 VRMS isolation test voltage, 70 V high collector-emitter voltage, low saturation voltage, fast switching times, low coupling capacitance, and high common-mode interference immunity.
The SFH617A is a high‑reliability optocoupler featuring a GaAs infrared LED and a silicon planar phototransistor in a DIP‑4 package. It offers a high current transfer ratio, low coupling capacitance, and robust isolation up to 5300 VRMS, making it suitable for signal transmission between electrically isolated circuits.
Key specifications include a collector‑emitter voltage of 70 V, forward current of 60 mA, CTR ranges from 40 % to 320 % depending on the variant, and a coupling capacitance of 0.4 pF. The device operates from –55 °C to +100 °C (ambient) and can be stored from –55 °C to +150 °C. It complies with RoHS and various safety approvals.
| Isolation test voltage | 5300 VRMS |
|---|---|
| Collector‑emitter voltage (VCEO) | 70 V |
| Forward current (IF) | 60 mA |
| Current Transfer Ratio (CTR) – SFH617A‑1 | 40 % – 80 % |
| Coupling capacitance (CC) | 0.4 pF |
| Power dissipation (Pdiss) | 100 mW |
| Storage temperature range | -55 °C to +150 °C |
| Ambient temperature range | -55 °C to +100 °C |
The isolation test voltage is 5300 VRMS.
The device is rated for a collector‑emitter voltage of 70 V.
The forward voltage is typically between 1.25 V and 1.65 V.
The part can be stored from –55 °C to +150 °C.