STMicroelectronics

T1235T-8T

T1235T-8T Description

The T1235T-8T is a high-performance Snubberless™ TRIAC from STMicroelectronics, designed for robust AC switching applications. This 800V, 12A TRIAC belongs to the Alternistor family, offering superior surge current handling and reliability in demanding environments. Packaged in a TO-220 through-hole mount, it is ideal for industrial and consumer electronics requiring efficient power control. With a RoHS3 compliance and REACH unaffected status, it meets stringent environmental standards while delivering high-voltage isolation and low gate triggering current.

T1235T-8T Features

• High Voltage Rating: 800V off-state voltage ensures durability in high-voltage circuits.
• Snubberless™ Technology: Eliminates the need for external snubber circuits, reducing BOM cost and board space.
• Low Triggering Requirements: 1.3V max gate trigger voltage (Vgt) and 35mA max gate trigger current (Igt) enable easy drive with low-power control circuits.
• High Surge Current: 90A (50Hz)/95A (60Hz) non-repetitive surge current (Itsm) withstands transient overloads.
• Industrial Robustness: 40mA holding current (Ih) ensures stable operation in noisy environments.
• Compliance: EAR99, ROHS3, REACH Unaffected, and MSL1 (Unlimited) for global deployment.

T1235T-8T Applications

• Motor Control: Ideal for AC motor drives, pumps, and fans due to high surge tolerance.
• Lighting Systems: Efficient dimming and switching in LED/incandescent lighting.
• Home Appliances: Reliable performance in washing machines, heaters, and air conditioners.
• Industrial Automation: Robust switching for solenoids, contactors, and power tools.
• Energy Management: Used in smart thermostats and power strips for load control.

Conclusion of T1235T-8T

The T1235T-8T stands out for its Snubberless™ design, high surge capability, and low triggering power, making it a superior choice for AC switching applications. Its 800V rating and 12A RMS current cater to industrial and consumer needs, while compliance with global standards ensures broad applicability. Engineers benefit from reduced external components, simplified designs, and enhanced reliability, solidifying its position as a versatile TRIAC for modern power electronics.