T2535T-8T

Overview

The T2535T-8T is a medium current Triac in TO-220AB package designed for general purpose AC switching. It features an RMS on-state current of 25 A and repetitive peak off-state voltage of 800 V, with surge capabilities reaching 900 V. The device supports three triggering quadrants with a maximum gate trigger current of 35 mA and operates within a junction temperature range of -40 to +150 °C. Utilizing ST Snubberless technology, it provides high noise immunity and robust dynamic turn-off commutation, making it suitable for controlling motors and heaters in home appliances.

Feature Summary

• ST Snubberless technology enables higher specified turn-off commutation and noise immunity levels up to 150 °C
• Robust dynamic turn-off commutation ensures reliable operation under constraining conditions
• High static dV/dt noise immunity reduces susceptibility to false triggering

Applications

• General purpose AC line load control
• AC induction and universal motor control
• Heating applications such as water heaters and e-bidets
• Power tools and cooker/oven control
• Inrush current limiting circuits and overvoltage crowbar protection

Procurement Notes

Verify the specific ordering code T2535T-8T against the manufacturer's datasheet DS13450 to ensure correct package type and electrical ratings. Confirm that the TO-220AB tube packaging aligns with assembly requirements. Check for any recent product change notifications or environmental compliance updates regarding ECOPACK2 standards before finalizing procurement orders.

Selection Notes

Select this component when a 25 A RMS current rating and 800 V blocking voltage are required for AC load control. Ensure the application environment allows for adequate heat sinking, as the thermal resistance from junction to case is 1 °C/W. Verify that the gate drive circuit can supply at least 35 mA to guarantee reliable triggering across all quadrants and operating temperatures.

Part Context

The T2535T-8T belongs to the T-series Triacs from STMicroelectronics, specifically engineered for high-temperature performance. It is part of a family including variants like T2535T-8G in D2PAK packages. This model is optimized for home appliance environments where space is limited but robust motor and heater control is essential.

Replacement Considerations

Consider the T2535T-8G if surface mount assembly via D2PAK is preferred. Other T-series Triacs may offer different current ratings or voltage classes. Verify pinout compatibility and thermal characteristics when substituting with components from other manufacturers.