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SJ4040NARP
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Product Detailed Parameters
- Description：40 AMP STANDARD SCR TO-263
- Series：SJxx40xxA
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：430A, 520A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- 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)：1.7 V
- Current - On State (It (AV)) (Max)：25 A
- Current - On State (It (RMS)) (Max)：40 A
- Current - Off State (Max)：10 µA
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Overview
The SJ4040NARP is a standard recovery Silicon Controlled Rectifier (SCR) manufactured by Littelfuse Inc. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 40 A. The device operates within a junction temperature range of -40°C to +150°C. Key electrical parameters include a forward voltage of 1.6 V, gate trigger voltage of 1.5 V, and gate trigger current of 35 mA. It utilizes a TO-263AB-3 surface mount package.
Feature Summary
- Surface mount design in a TO-263AB-3 package for automated assembly
- High thermal capability with a maximum junction temperature rating of 150°C
- Standard recovery characteristics suitable for general purpose switching applications
Applications
- Industrial motor control systems
- Power supply circuits
- General purpose AC/DC switching applications
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout configuration and packaging type. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the part number with Littelfuse documentation to validate the exact electrical ratings and thermal characteristics before finalizing procurement specifications.
Selection Notes
Select this component when a 400 V blocking voltage and 40 A continuous current capacity are required in a surface mount form factor. The 150°C junction temperature rating allows for operation in higher thermal environments compared to standard 125°C devices. Consider the TO-263AB-3 package dimensions for PCB layout constraints and thermal dissipation requirements.
Part Context
This SCR belongs to the SJ series from Littelfuse, designed for robust performance in industrial applications. The series offers various voltage and current ratings within the same package family. The SJ4040NARP specifically targets applications needing high surge capability and reliable switching in compact surface mount designs.
Replacement Considerations
Consult Littelfuse official documentation for verified cross-references. No direct substitute part numbers are confirmed in the provided source material.
