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SJ4012NRP
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Product Detailed Parameters
- Description：HIGH TJ 400V 12A SCR TO263
- Series：SJ
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：600 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：20 mA
- Current - Hold (Ih) (Max)：60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A, 120A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263 (D2PAK)
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：7.6 A
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：10 µA
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Overview
The SJ4012NRP is a Silicon Controlled Rectifier (SCR) from Littelfuse, rated for 600V repetitive off-state voltage and 12A RMS on-state current. It utilizes a TO-263 surface mount package and supports an operating temperature range of -40°C to +150°C. The device features a gate trigger voltage of 1.5V and a forward voltage of 1.6V. It is qualified under AEC-Q101 standards, ensuring reliability for automotive and industrial environments.
Feature Summary
- High junction temperature capability up to 150°C for robust thermal performance
- Automotive-grade qualification compliant with AEC-Q101 standards
- Surface mount TO-263 packaging for automated assembly integration
Applications
- Capacitive discharge systems
- Strobe light ignition circuits
- Gas engine ignition modules
Procurement Notes
Verify the specific suffix 'NRP' against the manufacturer's official datasheet to confirm pinout and electrical characteristics. Ensure the procurement channel provides valid traceability documentation. Confirm that the component meets the required AEC-Q101 automotive qualification standards for the intended application environment before finalizing orders.
Selection Notes
Select this component when a 600V SCR with 12A RMS current handling is required in a surface mount form factor. The high junction temperature rating allows for operation in thermally constrained spaces. Verify that the gate trigger requirements align with the control circuit capabilities and that the TO-263 footprint fits the PCB layout constraints.
Part Context
This part belongs to the SJxx12xx series of SCRs designed for high-power switching applications. The series is characterized by standard recovery times and robust construction suitable for demanding environments. It serves as a critical component in power control circuits where reliable latching and high current handling are essential.
Replacement Considerations
Consult the official Littelfuse replacement guide for direct equivalents. Verify compatibility regarding voltage ratings, current capacity, and package dimensions before substitution.
