TLP3520A is a photocoupler from Toshiba. It consists of a GaAs infrared LED and a phototransistor and is suitable for use in 120 V AC relay applications.
This document describes the TLP3520A optocoupler, which combines a GaAs infrared LED with a phototriac in a 16‑pin DIP package. It is intended for use as a 120 V line‑current transformer with a load current rating of up to 0.8 A.
The sheet includes pin connection diagrams, maximum ratings, recommended operating conditions, and detailed electrical specifications such as trigger LED current, on‑current, isolation voltage, and thermal limits. This manual is written in Japanese.