T3035H-8I

Overview

The T3035H-8I is a high-temperature Triac from the H-Series, rated for 30 A RMS on-state current and 800 V repetitive peak off-state voltage. It operates within a junction temperature range of -40 °C to +150 °C and utilizes TO-220AB insulated packaging with an internal ceramic pad providing 2500 VRMS insulation. Key electrical parameters include a maximum gate trigger current (IGT) of 35 mA, a maximum holding current (IH) of 60 mA, and a minimum static dV/dt immunity of 2000 V/µs at 150 °C. The device features a maximum junction-to-case thermal resistance of 1.6 °C/W.

Feature Summary

• Snubberless high-temperature technology enabling robust dynamic turn-off commutation and high noise immunity up to maximum junction temperatures.
• Internal ceramic pad provides recognized voltage insulation compliant with UL1557 standards.
• Three triggering quadrants support versatile control configurations for AC loads.

Applications

• Home automation smart AC plugs
• Water heaters, room heaters, and coffee machines
• AC induction and universal motor control
• Inrush current limiting in AC DC rectifiers
• General purpose AC line load control

Procurement Notes

Verify component authenticity by checking the marking code against official datasheet specifications. Confirm package integrity and lead condition upon receipt. Ensure storage conditions remain within the specified temperature range prior to assembly. Cross-reference ordering codes with manufacturer documentation to validate revision levels and compliance status before finalizing procurement orders.

Selection Notes

Select this component when applications require heavy AC load driving capabilities combined with compact heatsink designs. The high junction temperature rating allows for reduced thermal management requirements compared to traditional Triacs. Verify that the required gate trigger current and holding current limits align with the specific driver circuit design constraints.

Part Context

This device belongs to the STMicroelectronics H-Series Triacs, which are engineered for enhanced thermal management and high-temperature operation. The series utilizes Snubberless technology to optimize control of difficult loads such as universal motors and inductive heaters in industrial and home appliance environments.

Replacement Considerations

The T2035H-8I serves as a lower current alternative within the same family, offering 20 A RMS capability while maintaining identical voltage ratings and package characteristics.