This document describes the features and characteristics of the BTA12, BTB12, and T12xx series triacs, including medium current, low thermal resistance, high commutation capability, and insulation ceramic. These triacs are suitable for applications such as static relays, light dimmers, and appliance motors speed controllers.
The BTA12, BTB12 and T12xx series are medium‑current, snubberless and logic‑level triacs offered in both through‑hole and surface‑mount packages. They feature low thermal resistance, high commutation capability and are UL1557 certified for use in applications such as static relays, light dimmers and motor speed controllers.
The document lists absolute maximum ratings, detailed electrical and thermal characteristics, packaging dimensions, and ordering codes. It also includes revision history and legal notices related to ST products.