TLP131 is a photocoupler produced by TOSHIBA. It has a small outline and is suitable for surface mounting. The product has the typical characteristics of photocouplers, including optical isolation, current transfer ratio, etc.
The TLP131 is a miniature optocoupler that combines a gallium‑arsenide infrared LED with a photo‑transistor in a surface‑mount package. It is intended for general electronics applications such as office equipment, measuring devices, and industrial robotics.
The document lists absolute maximum ratings, recommended operating conditions, and detailed electrical parameters, including collector‑emitter voltage, current transfer ratio, isolation voltage, and switching times. It also outlines restrictions on product use and safety considerations for designers.
| Collector‑emitter voltage (VCEO) | 80 V (min) |
|---|---|
| Current transfer ratio (CTR) | 50 % (min) |
| Isolation voltage | 3750 Vrms (min) |
| Forward current (IF) | 50 mA |
| Power dissipation (Po) | 150 mW |
| Supply voltage (Voc) | 5 V – 48 V |
| Operating temperature (Topr) | -25 °C to 85 °C |
| UL listing | UL1577 (file No. E67349) |
The device provides a minimum isolation voltage of 3750 Vrms.
Recommended operating temperature is from –25 °C up to 85 °C.
The maximum forward current is specified as 50 mA.
Yes, it is UL listed under UL1577, file No. E67349.