Technical specifications and ratings for the Everlight EL817 4‑pin DIP photocoupler.
The Everlight EL817 is a 4‑pin DIP phototransistor photocoupler designed for use in programmable controllers, system appliances, telecommunications and home appliances. This datasheet provides absolute maximum ratings, electro‑optical characteristics, transfer characteristics, package dimensions and ordering information.
Key data include forward current limits, isolation voltage, CTR ranges and recommended soldering profiles. The document also lists part numbers for various lead‑form and packaging options.
| Input Forward Current (IF) | 60 mA |
|---|---|
| Reverse Voltage (VR) | 6 V |
| Isolation Voltage | 5000 V rms (1 min) |
| Operating Temperature | -55 °C to 110 °C |
| Current Transfer Ratio (CTR) | 50 % – 600 % |
| Collector‑Emitter Breakdown Voltage (BVCEO) | 35 V |
| Emitter‑Collector Breakdown Voltage (BVECO) | 6 V |
The absolute maximum forward current (IF) is 60 mA.
The device is rated for an isolation voltage of 5000 V rms for 1 minute.
The current transfer ratio ranges from 50 % to 600 % depending on the CTR rank.