QJ4025NH6RP

Triacs Overview

The QJ4025NH6RP is a bidirectional triac manufactured by Littelfuse, designed for high-temperature AC switching applications. It features an RMS on-state current of 25 A and a rated repetitive off-state voltage (VDRM) of 400 V. The device exhibits a maximum on-state voltage of 1.8 V and a leakage current of 10 uA at VDRM. Gate triggering requirements include a maximum holding current of 100 mA, a gate trigger voltage of 1.3 V, and a gate trigger current of 80 mA. It operates within a temperature range of -40 C to +150 C and is housed in an isolated TO-220AB-3 package.

Triacs Feature Summary

• High-temperature operation capability up to 150 C
• Electrically isolated mounting surface for enhanced safety
• Glass-passivated junctions for parameter stability

Triacs Applications

• AC motor speed control systems
• Industrial heating regulation circuits
• Lighting dimmer modules requiring thermal resilience

Triacs Procurement Notes

Verify the specific suffix 'H6' against official Littelfuse documentation to confirm isolation ratings and thermal characteristics. Ensure the procurement channel provides valid RoHS compliance data. Confirm that the TO-220AB-3 package matches the target PCB footprint and mounting constraints before finalizing orders.

Triacs Selection Notes

Select this component when designs require robust thermal performance exceeding standard 125 C limits. The 400 V rating suits general-purpose AC mains applications. Verify that the 80 mA gate drive capability aligns with the controller's output strength. Consider the isolated tab feature if electrical separation from heatsinks or chassis is mandatory.

Triacs Part Context

This part belongs to the QJxx25xHx series of Littelfuse thyristors. It shares the 25 A current capacity with other variants but distinguishes itself through its specific voltage rating and high-temperature packaging. The series utilizes glass-passivated junction technology common across Littelfuse's Teccor brand offerings.

Triacs Replacement Considerations

Direct substitutes include QJ4025JH6TP for similar high-temperature isolated performance. For non-isolated SMD alternatives, consider the Q4025NH6RP in SMTO-263-2 packages. Verify pinout compatibility and thermal resistance differences when cross-referencing with other manufacturers' 25 A triacs.