The TLP174GA is a Toshiba photocoupler. It consists of an aluminum gallium arsenide infrared emitting diode optically coupled to a photo-MOSFET in a SOP, which is suitable for surface mount assembly. The TLP174GA is suitable for modem applications which require space savings.
The TLP174GA is a gallium arsenide infrared emitting diode optically coupled to a photo‑MOSFET in a 4‑pin SOP package, designed for space‑saving modem and other electronic applications.
The datasheet lists maximum ratings, forward and reverse currents, isolation voltage of 1500 Vrms, on‑state resistance up to 35 Ω, and recommended operating conditions, together with handling and safety restrictions for the device.
| Peak off‑state voltage | 400 V (min) |
|---|---|
| On‑state current | 120 mA (max) |
| Isolation voltage | 1500 Vrms (min) |
The device is rated for a peak off‑state voltage of 400 V (minimum).
It provides an isolation voltage of at least 1500 Vrms.
The recommended supply voltage can be up to 320 V.