QK006VH4TP

Triacs Overview

The Littelfuse QK006VH4TP is a bidirectional triac belonging to the Teccor Qxx06xx series, designed for AC power control applications. It features a 6 A RMS on-state current rating and supports a rated repetitive off-state voltage of 600 V. The device utilizes a TO-251 (DPAK) surface-mount package with three leads. Key electrical parameters include a maximum holding current of 30 mA and a gate trigger voltage of 2.5 V. It operates within a temperature range of -40°C to +125°C and exhibits a typical on-state voltage of 1.6 V at rated current.

Triacs Feature Summary

• Bidirectional alternistor architecture providing enhanced turn-off behavior compared to standard triacs
• Glass-passivated junctions ensuring long-term reliability and parameter stability against contamination
• Single-chip design offering improved dv/dt characteristics while maintaining compact form factor

Triacs Applications

• Switching highly inductive loads in industrial equipment
• AC motor speed control circuits
• Solid-state relay inputs

Triacs Procurement Notes

Verify the specific suffix 'H4TP' against the manufacturer's official datasheet to confirm pinout orientation and packaging type. Ensure the ordering part number matches the exact electrical specifications required for the target circuit design before procurement.

Triacs Selection Notes

Select this component when high dv/dt immunity and reliable turn-off are critical for inductive load switching. The TO-251 package suits automated surface-mount assembly processes requiring moderate power dissipation capabilities within a small footprint.

Triacs Part Context

This part belongs to the Teccor Qxx06xx family of alternistors from Littelfuse. These devices integrate two inverse-parallel SCR structures on a single chip, distinguishing them from conventional triacs by offering superior performance in demanding AC switching environments.

Triacs Replacement Considerations

Direct substitutes must match the 6A/600V rating and TO-251 package. Verify compatibility with existing PCB footprints and thermal management requirements if replacing with alternative brand alternistors or high-performance triacs.