TLP3503 is a 8PIN DIP optical coupler suitable for 120V line AC relay with zero current function
The TLP3503 is an infrared LED‑phototriac optocoupler (phototriac) packaged in an 8‑pin DIP. It is intended for use in office equipment such as copiers, dimming systems, oil‑fan heaters, air‑conditioners, vending machines and similar applications.
The document lists maximum ratings, typical electrical characteristics, pin assignments and safety information, including UL1577 certification and handling precautions for the GaAs LED material. This manual is written in Japanese.
| Forward current (IF) | 50 mA |
|---|---|
| Reverse voltage (VR) | 5 V |
| Peak reverse voltage (VDRM) | 400 V |
| On‑state current (RMS) | 0.5 A (max) |
| Isolation voltage | 2500 Vrms (min) |
| Trigger LED current | 10 mA (max) |
| UL certification | UL1577 (File No. E67349) |
The maximum forward current (IF) is 50 mA.
The isolation voltage is rated at a minimum of 2500 Vrms.
Yes, it is UL1577 certified (File No. E67349).