QK015R5TP

Triacs Overview

The Littelfuse QK015R5TP is a bidirectional triac belonging to the Teccor Qxx15xx series, designed for high-voltage AC switching applications. It features a rated repetitive off-state voltage (VDRM) of 1 kV and an RMS on-state current (It RMS) of 15 A. The device operates within a junction temperature range of -40°C to +125°C and utilizes a TO-220-2 through-hole package. Key electrical characteristics include a maximum holding current of 70 mA, a gate trigger voltage of 2.5 V, and a gate trigger current ranging from 50 mA to 75 mA. Non-repetitive peak on-state currents are specified at 100 A and 200 A, with an on-state voltage of 1.6 V and a leakage current of 5 µA under VDRM conditions.

Triacs Feature Summary

• Bidirectional conduction capability for AC power control circuits
• High voltage blocking rating suitable for industrial mains applications
• Robust thermal performance with extended operating temperature range
• Through-hole mounting for secure PCB integration

Triacs Applications

• Industrial motor speed control systems
• Solid-state relay output stages
• AC power regulation and switching modules

Triacs Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number QK015R5TP with official Littelfuse documentation. Confirm the specific suffix R5 corresponds to the required gate trigger current specifications. Ensure procurement channels provide valid traceability records to mitigate counterfeit risks in critical power electronics assemblies.

Triacs Selection Notes

Select this component when a 1 kV blocking voltage and 15 A continuous current capacity are required in a TO-220-2 package. Verify that the gate drive circuit can supply the necessary 50 mA to 75 mA trigger current. Consider thermal management requirements given the 125°C maximum junction temperature limit and the specific holding current characteristics of the Qxx15xx series.

Triacs Part Context

This triac is part of the Littelfuse Teccor Qxx15xx family, which standardizes 15 A rated devices across various voltage ratings. The QK015R5TP specifically denotes the 1000 V variant within this lineup. It shares common pinouts and mechanical dimensions with other members of the series, facilitating design flexibility while maintaining consistent performance parameters for high-power AC switching tasks.

Triacs Replacement Considerations

Direct substitutes within the same voltage and current class include the QK015N5TP, though it utilizes an SMD SMTO-263-2 package rather than through-hole. Other Qxx15xx series variants with different voltage ratings may serve as functional replacements if system voltage constraints allow.