K2400SRP

Overview

The Littelfuse K2400SRP is a high-voltage trigger diode, classified as a SIDAC, designed for overvoltage protection in electronic circuits. Manufactured by Littelfuse, this component utilizes a DO-214AA surface-mount package to facilitate automated assembly and compact board layouts. It features a bidirectional switching characteristic with a breakdown voltage range of 220 V to 250 V. The device supports a maximum holding current of 150 mA and operates within a temperature range of -40°C to +85°C. Key electrical parameters include a non-repetitive peak on-state current rating of up to 20 A and a rated repetitive off-state voltage (VDRM) of 190 V.

Feature Summary

• Bidirectional switching capability for symmetrical overvoltage protection in AC and DC applications
• Glass-passivated junction construction to ensure ruggedness and dependable performance under harsh conditions
• Surface-mount DO-214AA package design optimized for space-constrained PCB layouts

Applications

• Protection of sensitive electronics against transient voltage spikes in industrial control systems
• Triggering mechanisms for silicon-controlled rectifiers (SCRs) and triacs in power control circuits
• Surge suppression in telecommunications equipment and data line interfaces

Procurement Notes

Verify the specific ordering suffix to confirm the exact packaging configuration, such as cut tape or reel quantities, as these do not alter the electrical function but affect handling logistics. Confirm RoHS compliance status through the official datasheet before integration into regulated assemblies. Cross-reference the manufacturer part number with authorized distributor catalogs to ensure authenticity and traceability of the component lot.

Selection Notes

Select the K2400SRP when a bidirectional trigger device with a breakdown voltage between 220 V and 250 V is required for circuit protection. Ensure the application's expected surge currents remain within the 20 A non-repetitive limit to prevent device failure. Consider the DO-214AA footprint constraints during PCB layout and verify that the operating temperature range of -40°C to +85°C aligns with the environmental conditions of the target system.

Part Context

This component belongs to the Kxxxzy series of high-voltage trigger diodes from Littelfuse. The series includes various packages and voltage ratings, such as the through-hole K2400GH and other surface-mount variants like the K2400SHRP. The SRP suffix typically denotes a specific tape-and-reel packaging format intended for high-volume surface-mount production lines.

Replacement Considerations

Potential substitutes include the Teccor Electronics K2400SRP, which shares identical mechanical and electrical specifications. Other compatible alternatives within the same family are the K2400S70 and K2400SHURP, provided their respective voltage thresholds and package types match the original design requirements.