TLP141G is a photocoupler product produced by Toshiba. It is small and suitable for surface mounting. Its maximum off-state voltage is 400V, the trigger LED current is maximum 10mA, the on-state current is maximum 150mA, and the isolation voltage is 2500Vrms.
The TLP141G is a miniature GaAs optocoupler that integrates a photo‑thyristor with an infrared emitting diode, intended for surface‑mount assembly. It is used in general electronics applications such as computers, office equipment, and industrial robotics.
The document lists maximum ratings, recommended operating conditions, individual and coupled electrical characteristics, and restrictions on product use, including isolation voltage, on‑state current, and temperature limits.
| Peak off‑state voltage | 400 V (min.) |
|---|---|
| Isolation voltage | 2500 Vrms (min.) |
| On‑state current (IT RMS) | 150 mA (max.) |
| Forward current (IF) rating | 50 mA |
| Supply voltage | 120 Vac |
The isolation voltage is specified as 2500 Vrms minimum.
Typical forward current is 20 mA, with a maximum rating of 25 mA.
The maximum on‑state current is 150 mA RMS.