BTA312-800E,127

Triacs Overview

The BTA312-800E,127 is a planar passivated high commutation three-quadrant triac manufactured by WeEn Semiconductors. It operates in a TO-220AB (SOT78) plastic package with through-hole mounting. The device supports an RMS on-state current of 12 A and withstands a rated repetitive peak off-state voltage of 800 V. Key electrical parameters include a maximum non-repetitive surge current of 100 A, a holding current maximum of 25 mA, and a gate trigger current of 10 mA across all quadrants. It features a maximum on-state voltage of 1.6 V and leakage current of 500 uA at VDRM. The component functions within a junction temperature range from -40 °C to +125 °C.

Triacs Feature Summary

• Three-quadrant triggering capability designed for interfacing with low-power drivers and microcontrollers.
• Planar passivated construction ensures voltage ruggedness and long-term reliability.
• High commutation performance combined with sensitive gate characteristics for easy logic-level triggering.

Triacs Applications

• Electronic thermostats for heating and cooling systems
• High power motor controls such as washing machines and vacuum cleaners
• Refrigeration and air-conditioner compressor controls

Triacs Procurement Notes

Verify the specific suffix '127' corresponds to the horizontal rail pack packing configuration when sourcing. Confirm RoHS compliance status via the manufacturer's official documentation prior to integration. Ensure the procurement channel provides valid traceability for industrial qualification requirements.

Triacs Selection Notes

Select this component for applications requiring high junction operating temperature capability and direct interfacing with low-power logic drivers. The three-quadrant sensitivity makes it suitable for circuits where noise immunity and false turn-on prevention are critical. Compare against Series ET variants if higher thermal limits are required.

Triacs Part Context

This part belongs to the BTA312 series of high commutation triacs from WeEn Semiconductors. It shares the core silicon structure with other variants like the BTA312-800ET but differs in packaging orientation and specific thermal or mechanical specifications defined by the suffix code.

Triacs Replacement Considerations

Direct substitutes include the BTA312-800ET for similar performance in different packing formats. Verify pinout compatibility and thermal resistance differences when replacing with generic 12A 800V triacs.