T1250H-6G

Triacs Overview

The T1250H-6G is a Snubberless Triac from the H-Series, rated for 600 V blocking voltage and 12 A RMS on-state current. It operates within a junction temperature range of -40 °C to +150 °C. Key electrical parameters include a maximum gate trigger voltage of 1 V, a maximum gate trigger current of 50 mA, and a holding current of 75 mA. The device features a non-repetitive peak on-state current of 126 A, an on-state voltage of 1.5 V, and a leakage current of 5 uA at VDRM. It offers a critical rate of rise of off-state voltage of 1500 V/us and is housed in a D2PAK surface-mount package.

Triacs Feature Summary

• Snubberless design optimized for high commutation performance on inductive loads
• Insulated tab utilizing internal ceramic pad with 2500 V rms rating
• Low thermal resistance achieved through clip bonding technology

Triacs Applications

• Static relays for mains power AC switching
• Heating regulation systems
• Induction motor starting circuits
• Phase control operations in light dimmers
• Appliance motor speed controllers

Triacs Procurement Notes

Verify component authenticity by checking the manufacturer's marking against official datasheet specifications. Confirm the package type matches the required D2PAK footprint. Ensure the specific suffix aligns with the desired insulation and thermal characteristics. Cross-reference the part number with authorized distributor lists to avoid counterfeit sources. Validate RoHS compliance status if environmental regulations apply to the final assembly.

Triacs Selection Notes

Select this component for general-purpose mains power AC switching applications requiring medium current handling. The Snubberless feature makes it suitable for inductive loads without external RC networks. Consider the D2PAK package for surface mount designs needing efficient heat dissipation. Verify that the 600 V rating meets the peak line voltage requirements. Ensure the gate drive circuit can supply the specified 50 mA trigger current reliably.

Triacs Part Context

This triac belongs to the T12xxH series, designed for robust AC switching in household appliances and industrial controls. The H-series variant emphasizes high-temperature operation up to 150 °C and improved commutation capabilities. It shares the Snubberless architecture with other models in the family, offering simplified circuit design by eliminating external snubber components typically required for inductive loads.

Triacs Replacement Considerations

Compatible substitutes within the same series include the T1235H and T1250H. These parts share similar mounting options and general purpose AC switching capabilities. Verify that any replacement maintains the required 600 V rating and sufficient current handling for the specific application load.