SJ4025LTP

Scrs Overview

The Littelfuse SJ4025LTP is a silicon-controlled rectifier (SCR) belonging to the SJxx25xx series, designed for surface mount applications in TO-263AB-3 packages. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 12 A. The device operates within a temperature range of -40°C to +150°C and includes a gate trigger voltage of 1.5 V. Qualified under AEC-Q101 standards, this component provides robust switching capabilities for electronic control circuits requiring reliable performance in automotive or industrial environments.

Scrs Feature Summary

• Surface mount construction compatible with automated assembly processes
• AEC-Q101 qualification ensuring reliability for automotive electronics
• High thermal stability supporting operation up to 150°C

Scrs Applications

• Automotive power control modules
• Industrial motor drives
• AC/DC power supply circuits

Scrs Procurement Notes

Verify the exact part number suffix against official Littelfuse documentation, as variations such as SJ4025N1ATP exist within the same family. Confirm package type and electrical ratings match design requirements before ordering. Check current availability status directly with authorized distributors or the manufacturer, as stock levels fluctuate. Ensure compliance with RoHS and REACH directives if required by your specific application standards.

Scrs Selection Notes

Select this SCR based on its 400 V blocking voltage and 12 A RMS current capacity relative to circuit load demands. Consider the TO-263AB-3 package for adequate heat dissipation in surface mount designs. Verify that the 1.5 V gate trigger voltage aligns with the driving microprocessor or logic level output. Ensure the operating temperature range meets the environmental conditions of the final assembly.

Scrs Part Context

This component is part of Littelfuse's broader thyristor portfolio, specifically the SJxx25xx series. These devices are engineered for efficient switching in low-current circuits, offering fast turn-off times to reduce commutation failure risks. The series supports various ampere and voltage ratings to accommodate diverse power control needs across multiple industries.

Scrs Replacement Considerations

Direct substitutes may include other 400 V, 12 A SCRs in TO-263 packages from Littelfuse or competitors. Verify pinout compatibility and thermal resistance values when cross-referencing. Ensure any replacement maintains AEC-Q101 qualification if used in automotive applications.