This document describes the parameter values and characteristics of the T405Q-600 series 4-quadrant sensitive TRIACs, mainly used for general-purpose applications requiring high surge current capability, such as irrigation systems.
The T405Q-600 is a 4‑quadrant sensitive TRIAC designed for general‑purpose applications requiring high surge capability. It is offered in two package types (DPAK and IPAK) with a typical RMS on‑state current of 4 A and a voltage rating of 600 V.
The document lists absolute maximum ratings, detailed electrical characteristics, thermal resistance data, and mechanical dimensions for both DPAK and IPAK packages, along with ordering information and part‑number markings.
| RMS on‑state current (I_RMS) | 4 A |
|---|---|
| Voltage rating (V_RRM) | 600 V |
| Gate current sensitivity (I_GT) | 5 mA |
| Maximum junction temperature (Tj) | 125 °C |
The RMS on‑state current rating is 4 A.
The gate current sensitivity is 5 mA.
The maximum junction temperature is 125 °C.