K1400GAP

DIACs, SIDACs Overview

The Littelfuse K1400GAP is a high-voltage trigger diode, classified as a SIDAC within the thyristor family. It operates in the DO-15 through-hole package and supports an operating temperature range from -40°C to +85°C. The device features a breakover voltage (VBO) between 130 V and 146 V, with a maximum turn-on current (IBO) of 10 uA. It sustains a rated repetitive off-state voltage (VDRM) of 90 V with a leakage current of 5 uA. The component handles a non-repetitive on-state current of 16.7 A or 20 A and maintains a holding current (Ih) maximum of 150 mA. It exhibits an on-state voltage of 1.5 V and carries a continuous RMS current rating (It RMS) of 1 A.

DIACs, SIDACs Feature Summary

• Bidirectional switching capability for AC phase control applications
• Integrated trigger mechanism eliminating external discrete components
• Robust construction suitable for harsh industrial environments

DIACs, SIDACs Applications

• Lighting controls requiring noise immunity
• Temperature modulation circuits
• Speed control systems for motors

DIACs, SIDACs Procurement Notes

Verify the specific suffix 'GAP' against the official Littelfuse datasheet to confirm exact electrical tolerances and packaging variations. Ensure the DO-15 lead form matches the target PCB layout requirements. Confirm RoHS compliance status for the specific manufacturing batch before integration into regulated equipment designs.

DIACs, SIDACs Selection Notes

Select this component when a bidirectional trigger device with a breakover voltage near 140 V is required. Verify that the 1 A RMS current rating meets the load demands. Consider the DO-15 package size constraints and the -40°C to +85°C operational temperature limits during circuit design.

DIACs, SIDACs Part Context

The K1400GAP belongs to the Kxxxzy series of high-voltage trigger diodes manufactured by Littelfuse. These devices are designed to replace discrete diac-triac combinations, simplifying assembly. The part functions as a symmetric trigger device, providing reliable gating signals for thyristors and triacs in power control circuits.

DIACs, SIDACs Replacement Considerations

Consult Littelfuse documentation for direct cross-reference equivalents. Generic replacements may vary in breakover voltage tolerance or peak current handling. Verify pinout compatibility and thermal characteristics before substituting.