K2501GRP

Overview

The Littelfuse K2501GRP is a Multipulse SIDAC, a bidirectional voltage-triggered switch belonging to the Teccor brand thyristor family. Designed for robust solid-state switching in high-voltage ignition circuits, it operates effectively at ambient temperatures up to 90°C and can withstand junction temperatures reaching 125°C during lamp igniter applications. The component features a glass passivated chip junction and is housed in a DO-201 package. It is specifically engineered to handle the demanding conditions of metal halide and high-pressure sodium lamp ignition systems.

Feature Summary

• Bidirectional voltage switching capability for AC ignition circuits
• Robust construction designed for high thermal stress environments
• Glass passivated chip junction for enhanced reliability

Applications

• Metal halide lamp ignition circuits
• High pressure sodium lamp ignition circuits for outdoor street lighting
• Area lighting systems requiring reliable solid-state triggering

Procurement Notes

Verify the exact part number suffix against official Littelfuse documentation to confirm specific tape-and-reel or bulk packaging configurations. Ensure that the procurement source provides genuine manufacturer traceability. Cross-reference the date code and lot information with current manufacturing standards to guarantee component authenticity and compliance with specified environmental ratings.

Selection Notes

Select this component when designing ignition circuits for metal halide or high-pressure sodium lamps that require a bidirectional trigger device. The K2501GRP is suitable for applications where ambient temperatures reach 90°C and junction temperatures may rise to 125°C. Consider its voltage breakdown characteristics and hold-off requirements relative to the specific lamp ballast design to ensure proper circuit operation and protection.

Part Context

The K2501GRP belongs to the Multipulse SIDAC series within Littelfuse's Teccor thyristor portfolio. These devices are specialized voltage switches distinct from standard fuses or TVS diodes. The 'GRP' suffix typically denotes specific packaging or reel configuration details within the manufacturer's cataloging system, while the core electrical functionality remains consistent with the standard K2501G specification.

Replacement Considerations

The K2501GL is listed as a similar standard bidirectional SIDAC. Verify if the GL variant meets the specific thermal and voltage requirements of the target application before substitution. Confirm that any replacement maintains the same bidirectional triggering characteristics and package compatibility for direct integration into existing lamp ignition designs.