TLP126 is a small outline coupler, suitable for surface mount assembly. It consists of a photo transistor optically coupled to a gallium arsenide infrared emitting diode connected inverse parallel, and provides high CTR at low AC input current.
The Toshiba TLP126 is a miniature surface‑mount optocoupler that combines a gallium‑arsenide infrared LED with a photo‑transistor. It offers high current transfer ratio (CTR) at low AC input current and is suitable for a wide range of general electronics applications.
The document provides absolute maximum ratings, electrical characteristics, isolation and switching parameters, as well as recommended operating conditions and usage restrictions for reliable design implementation.
| Collector‑emitter voltage (VCEO) | 80 V (min) |
|---|---|
| Isolation voltage (BVs) | 3750 Vrms (min) |
| Forward current (IF RMS) | 50 mA |
| Current transfer ratio (CTR) | 100 % (min) |
| Power dissipation (Po) | 150 mW |
| Storage temperature range | -55 °C to 125 °C |
| Weight | 0.09 g |
The collector‑emitter voltage rating is 80 V (minimum).
The device is rated for an isolation voltage of 3750 Vrms (minimum).