The TLP127 is a miniature flat‑pack optocoupler that combines a gallium‑arsenide infrared emitting diode with a darlington phototransistor. It offers a collector‑emitter voltage rating of 300 V, a minimum current transfer ratio of 1000 %, and isolation up to 2500 Vrms.
The document lists maximum ratings, individual and coupled electrical characteristics, switching times, and recommended operating conditions. It also includes usage restrictions, handling precautions, and compliance notes such as UL1577 certification.
| Collector‑Emitter Voltage (VCEO) | 300 V (Min.) |
|---|---|
| Isolation Voltage | 2500 Vrms (Min.) |
| Forward Current (If) | 50 mA |
| Current Transfer Ratio (CTR) | 1000 % (Min.) |
| Storage Temperature Range | -55 °C to 125 °C |
| Operating Temperature Range | -55 °C to 100 °C |
| Collector Power Dissipation | 150 mW |
The device is rated for a minimum collector‑emitter voltage of 300 V.
It provides at least 2500 Vrms isolation.
The recommended operating temperature range is –55 °C to 100 °C.
Yes, it is UL1577 certified, File No. E67349.