Q6006RH4

Triacs Overview

The Littelfuse Q6006RH4 is a bidirectional triac belonging to the Qxx06xxH series, designed for high-reliability AC power control applications. It features a rated repetitive off-state voltage (VDRM) of 600 V and an on-state RMS current (It RMS) of 6 A. The device operates within a junction temperature range of -40°C to +125°C. Key electrical parameters include a maximum holding current (Ih) of 35 mA, a gate trigger voltage (Vgt) of 1.3 V, and a gate trigger current (Igt) of 35 mA. It exhibits a typical on-state voltage of 1.6 V and a non-repetitive peak on-state current capability of 80 A or 85 A depending on pulse width. The component utilizes a surface-mount SMTO-263-2 package.

Triacs Feature Summary

• Bidirectional alternistor configuration providing robust switching capabilities without requiring snubber circuits.
• High thermal stability with a wide operating junction temperature range extending up to 125°C.
• Surface-mount packaging optimized for automated assembly and compact circuit board layouts.

Triacs Applications

• Solid-state relays for industrial automation
• AC motor speed control systems
• Lighting dimmer circuits

Triacs Procurement Notes

Verify the specific suffix RH4 against official Littelfuse documentation to confirm the exact package type and tape-and-reel specifications. Ensure that the ordering information matches the required surface-mount variant rather than through-hole alternatives within the same electrical family. Cross-reference the datasheet revision date to confirm parameter consistency.

Triacs Selection Notes

Select this component when a 600 V, 6 A bidirectional switch is required in a surface-mount form factor. Compare the 35 mA gate trigger requirements against the driving circuit's output capability. Evaluate the thermal management needs given the 125°C maximum junction temperature limit and the specific thermal resistance characteristics of the SMTO-263-2 package.

Triacs Part Context

This part belongs to the Qxx06xxH series of Alternistors from Littelfuse. These devices are engineered as integrated solutions combining triac functionality with internal protection features. The series is distinct from standard thyristors by offering improved dv/dt immunity and reduced need for external snubbers, making them suitable for direct drive applications in consumer and industrial electronics.

Triacs Replacement Considerations

Direct pin-compatible replacements may include other 600 V, 6 A surface-mount triacs from Littelfuse such as the Q6006NH4RP, provided the package dimensions and electrical characteristics align with the design requirements. Verify gate sensitivity and holding current specifications before substitution.