TLP124 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. It has features such as 80V minimum collector-emitter voltage, 100% minimum current transfer ratio, and 200% minimum BV.
The TLP124 is a mini‑flat GaAs infrared optocoupler designed for surface‑mount assembly. It integrates a photo‑transistor optically coupled to an infrared emitting diode and is intended for general electronics applications such as office machines, programmable controllers, and telecommunications equipment.
The document lists key electrical parameters, recommended operating conditions, isolation and switching characteristics, as well as safety and handling restrictions. It serves as a reference for designers to ensure proper usage within specified voltage, current, and temperature limits.
| Collector‑emitter voltage (VCEO) | 80 V min |
|---|---|
| Current transfer ratio (CTR) | 100% min |
| Isolation voltage | 3750 Vrms min |
| Forward current (IF) | 50 mA |
| Power dissipation (P0) | 150 mW |
| Weight | 0.09 g |
The TLP124 provides an isolation voltage of at least 3750 Vrms.
The collector‑emitter voltage rating is a minimum of 80 V.
The device can be powered with a supply voltage from 5 V up to 48 V.