Q2008DH3RP

Triacs Overview

The Q2008DH3RP is an 8 A High Temperature Alternistor Triac solid state switch manufactured by Littelfuse. Designed for AC switching and phase control applications, this component operates within a temperature range of -40 °C to +150 °C. It features a peak repetitive off-state voltage (VDRM) of 800 V and an on-state RMS current (IT(RMS)) of 8 A. The device exhibits a maximum on-state voltage of 1.5 V at a gate trigger voltage (VGT) of 1.3 V and a gate trigger current (IGT) of 10 mA. With a low off-state leakage current of 10 µA, it ensures reliable performance in sensitive digital control circuits requiring gate control in Quadrants I & IV.

Triacs Feature Summary

• High-temperature operation capability up to +150 °C for robust environmental resilience
• Sensitive gate type ensuring reliable control in Quadrants I & IV for digital circuitry compatibility
• High commutation characteristics suitable for demanding AC switching loads

Triacs Applications

• Motor speed modulation controls
• Temperature modulation controls
• Lighting controls
• Static switching relays

Triacs Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the part number with Littelfuse documentation to validate the exact electrical ratings and thermal characteristics before finalizing procurement orders.

Triacs Selection Notes

Select this component when designing AC phase control circuits that require high-temperature stability and sensitive gate drive compatibility. The 800 V rating supports standard mains voltage applications, while the TO-252 D-PAK package facilitates surface-mount integration. Verify that the 10 mA gate trigger current aligns with the driving logic levels of the intended microcontroller or driver IC.

Triacs Part Context

This part belongs to the LJxx08xx and QJxx08xHx series of Thyristors from Littelfuse. These components are categorized as High Temperature Alternistors designed specifically for high commutation requirements. The series provides a standardized solution for industrial and consumer AC power control applications where reliability under thermal stress is critical.

Triacs Replacement Considerations

Consult Littelfuse official substitution guides for compatible Alternistor Triacs within the same current and voltage ratings. Verify pinout compatibility and thermal resistance values when considering alternative manufacturers' parts to ensure equivalent performance in existing PCB layouts.