STMicroelectronics Through Hole 3-Pin TRIAC 800 V Gate Trigger 1.3 V T1235T-8T

STMicroelectronics T1235T-8T is a high-performance through-hole TRIAC designed to provide reliable switching and power control in industrial and consumer-grade semiconductor applications. Featuring a 3-pin TO-220AB package, this TRIAC supports repetitive peak reverse voltages up to 800 V and a rated average on-state current of 12 amperes, enabling robust AC load control.

Its maximum gate trigger voltage of 1.3 V and low maximum gate trigger current of 35 mA facilitate sensitive and efficient triggering, while its surge current rating of 95 A ensures resilience during high transient conditions. The device operates safely over a broad temperature range from -40°C to 150°C, accommodating harsh industrial environments.

With compact dimensions (height 15.75 mm, length 10.4 mm), the device offers ease of integration on printed circuit boards. The peak on-state voltage of 1.55 V minimizes conduction losses, making it suitable for power management applications.

This TRIAC’s single configuration and 3-pin design simplify use in various circuits. The maximum holding current of 40 mA and peak gate power dissipation of 1 W contribute to its stable performance and longevity.

Common applications include AC motor controls, lighting dimmers, heater controls, and other industrial power switching functions. Its through-hole package type allows for secure mechanical mounting and superior thermal dissipation, suitable for a range of manufacturing, construction, laboratory, and HVAC use cases.

Rated average on-state current of 12A for efficient power handling. Package type is TO-220AB suitable for through-hole mounting. Repetitive peak reverse voltage rating of 800 V ensures high voltage endurance. Maximum gate trigger current is 35mA, allowing sensitive triggering.

Operating temperature range extends from -40°C to 150°C for demanding environments. Surge current rating of 95A for short-duration high current withstand capability. Compact dimensions with height of 15.75mm and length of 10.4mm.

Peak on-state voltage of 1.55V ensures minimal power loss during conduction. Single configuration with 3-pin count enabling straightforward circuit integration. Maximum holding current of 40mA and peak gate power dissipation of 1W enhance operational stability.

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