TLP124 is a photocoupler produced by TOSHIBA. It is suitable for surface mount assembly. The device consists of a phototransistor optically coupled to a gallium arsenide infrared emitting diode.
The TLP124 is a miniature GaAs infrared photocoupler designed for surface‑mount assembly. It combines a photo‑transistor with an infrared emitting diode and is intended for general electronics applications such as computers, office equipment, and industrial robotics.
The document lists absolute maximum ratings, recommended operating conditions, and detailed electrical characteristics, along with isolation and switching specifications. It also includes safety and compliance notes for proper use and handling of the semiconductor device.
| Collector‑emitter voltage (VCEO) | 80 V min |
|---|---|
| Current transfer ratio (CTR) | 100 % min |
| Forward current (IF) | 50 mA |
| Power dissipation (P_D) | 150 mW |
| Weight | 0.09 g |
The collector‑emitter voltage rating is 80 V minimum.
The recommended supply voltage (V_OC) ranges from 5 V to 48 V.
The forward current IF is specified up to 50 mA.