The Toshiba TLP127 is a miniature flat optocoupler that combines a GaAs infrared emitting diode with a Darlington phototransistor. It provides high isolation and a wide current transfer ratio for use in general electronics applications.
The document lists maximum ratings, electrical characteristics, switching performance, recommended operating conditions, and usage restrictions for safe and reliable design integration.
| Collector-Emitter Voltage (VCEO) | 300 V (Min.) |
|---|---|
| Current Transfer Ratio (CTR) | 1000% (Min.) |
| Isolation Voltage | 2500 Vrms (Min.) |
| Forward Current (If) | 50 mA |
| Collector Current (Ic) | 150 mA |
| Storage Temperature Range | -55 °C to 125 °C |
| Operating Temperature Range | -55 °C to 100 °C |
The TLP127 is rated for a minimum collector‑emitter voltage of 300 V.
It provides at least 2500 Vrms isolation voltage.
A typical supply voltage of 200 V is recommended.
The device can operate from –55 °C up to 100 °C.