Q8006VH4

Triacs Overview

The Littelfuse Q8006VH4TP is a bidirectional triac from the Qxx08xHx series, designed for high-reliability AC power control applications. It features an RMS on-state current (It RMS) of 8 A and a rated repetitive peak off-state voltage (VDRM) of 800 V. The device exhibits a low on-state voltage of 1.6 V and a maximum holding current of 35 mA. Gate triggering requirements are specified at 1.3 V and 35 mA. It operates within a temperature range of -40°C to +125°C and is housed in a TO-251-3 (DPAK) through-hole package.

Triacs Feature Summary

• High-voltage blocking capability with 800 V rating suitable for mains-connected loads
• Robust thermal performance supporting operation up to 125°C junction temperature
• Low gate sensitivity facilitating direct drive from logic circuits or optocouplers
• Compact surface-mount compatible DPAK footprint for space-constrained designs

Triacs Applications

• Solid-state relays and motor speed controllers
• Lighting dimmers and phase-control circuits
• AC power switching in industrial automation
• Heater control systems requiring high voltage isolation

Triacs Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet, as 'Q8006VH4' may refer to a specific tape-and-reel or tube variant distinct from the standard Q8008VH4TP. Confirm RoHS compliance status and REACH SVHC declarations directly with Littelfuse documentation prior to ordering. Ensure the selected packaging quantity matches your assembly line requirements.

Triacs Selection Notes

Select this component when an 800 V blocking voltage and 8 A continuous current capacity are required in a compact form factor. Compare the 1.6 V on-state voltage against alternative triacs to evaluate conduction losses in your specific thermal design. Verify that the 35 mA holding current meets the minimum load requirements of your application to prevent unintended turn-off during operation.

Triacs Part Context

This part belongs to Littelfuse's Qxx08xHx series of high-voltage triacs, engineered for robust performance in demanding AC power environments. The series is characterized by its ability to handle high surge currents and maintain stability across wide temperature ranges. It serves as a key component in modern solid-state switching solutions where reliability and compact size are critical.

Triacs Replacement Considerations

Direct replacements include other 800 V, 8 A triacs in TO-251-3 packages such as the STMicroelectronics BTA16 series or ON Semiconductor TRIACs. Ensure pinout compatibility and verify that the replacement's gate trigger characteristics match the driving circuit constraints. Cross-reference thermal resistance values to maintain equivalent heat dissipation performance.