TLP197GA is a photocoupler produced by TOSHIBA. It is mainly used in telephone exchanges, modems, personal computers and other devices. Its features are small size and space saving.
The TLP197GA is a GaAs infrared emitting diode optically coupled to a photo‑MOSFET in a 6‑pin SOP package, intended for surface‑mount use and as a replacement for mechanical relays where space savings are needed. It is used in a variety of electronics such as computers, measuring equipment, and industrial robotics.
Key specifications include a peak off‑state voltage of 400 V, trigger LED current up to 3 mA, on‑state current of 120 mA, on‑state resistance of 35 Ω, and an isolation voltage of 1500 Vrms. Recommended operating conditions specify a supply voltage up to 320 V, forward current up to 25 mA, and an ambient temperature range of –20 °C to 65 °C.
| Peak off‑state voltage | 400 V (min) |
|---|---|
| Trigger LED current | 3 mA (max) |
| On‑state resistance | 35 Ω (max) |
| Isolation voltage | 1500 Vrms (min) |
| Forward current (absolute max) | 50 mA |
| Supply voltage (recommended max) | 320 V |
The absolute maximum forward current is 50 mA.
The recommended operating temperature range is –20 °C to 65 °C.
The device provides an isolation voltage of 1500 Vrms (minimum).
The on‑state resistance is specified as 35 Ω (maximum).