TLP270D is a photocoupler produced by Toshiba. It has many functions and is widely used in mobile phones, laptops, PDAs, multimedia, TVs, modems and other products.
The Toshiba TLP270D is a GaAs photocoupler that integrates a photorelay, Darlington transistor, bridge rectifier and Zener diode in a 14‑pin SOP package. It is intended for general electronics applications such as modems, PCs and multimedia devices.
The document provides maximum ratings, individual electrical characteristics, pin configuration, package limits and safety restrictions. It also outlines the isolation requirements and recommended operating temperature ranges for reliable use.
| Peak off‑state voltage | 200 V (min.) |
|---|---|
| On‑state current | 150 mA (max.) |
| Isolation voltage | 1500 Vrms (min.) |
| Forward voltage (typ.) | 1.0 V |
| Zener voltage range | 22‑32 V |
| Collector‑emitter voltage | 80 V (min.) |
| Total package power dissipation | 650 mW |
| Storage temperature range | -55 °C to 100 °C |
| Operating temperature range | -20 °C to 85 °C |
The device provides a minimum isolation voltage of 1500 Vrms.
The on‑state current is limited to 150 mA maximum.
It can be stored from –55 °C up to 100 °C.
Yes, it must not be used in high‑reliability applications such as medical, aerospace or safety‑critical equipment.