K2201GL

Overview

The Littelfuse K2201GL is a Multipulse SIDAC voltage switch housed in a DO-15 axial leaded package. It features a repetitive peak off-state blocking voltage (VDRM) of 180V and a breakover/trigger voltage range of 200V to 230V. The device supports an on-state RMS current of 1A at a maximum junction temperature of 125°C, with a non-repetitive surge forward current capability of 50A. Designed for robust operation, it maintains functionality in ambient temperatures up to 90°C, where circuit components may elevate the junction temperature to 125°C.

Feature Summary

• Multipulse generation capability optimized for producing multiple pulses per half cycle of 50/60 Hz line voltage
• Robust solid-state design ensuring reliable operation under high thermal stress conditions
• Glass passivated junctions providing enhanced reliability and consistent blocking capability

Applications

• Metal Halide lamp ignition circuits
• High Pressure Sodium lamp ignition circuits for outdoor street and area lighting

Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm packaging configuration. Standard bulk quantities are typically 1000 units, while reel and ammo pack options are available for automated assembly processes. Confirm compliance requirements such as RoHS status prior to final procurement decisions.

Selection Notes

Select this component when designing igniter circuits requiring precise trigger voltages between 200V and 230V. Ensure the application environment allows for junction temperatures up to 125°C during lamp removal or rupture scenarios. Verify that the required commutation time and surge current ratings align with the specific transformer and capacitor values used in the ignition circuit design.

Part Context

This part belongs to the Kxxx1GL series of Multipulse SIDACs from Littelfuse. The series includes variants with different breakover voltages, such as the K2401GL, K2501GL, and K3601GL, all sharing the same DO-15 package and general electrical characteristics suitable for high-voltage switching applications.

Replacement Considerations

Direct substitutes within the same family include the K2401GL, K2501GL, and K3601GL, which offer higher breakover voltages. Cross-brand replacements must match the DO-15 package, VDRM rating, and multipulse generation capabilities.