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SJ4020NARP
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Product Detailed Parameters
- Description：HT SCR 400V 20A TO263 AECQ
- 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)：35 mA
- Current - Hold (Ih) (Max)：75 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：225A, 300A
- 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)：12.8 A
- Current - On State (It (RMS)) (Max)：20 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse SJ4020NARP is a Silicon Controlled Rectifier (SCR) from the SJxx20xx series, designed for surface mount applications. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current capacity of 20 A. The device operates within a temperature range of -40°C to +150°C and utilizes a TO-263AB-3 package. 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 holds AEC-Q101 qualification for automotive reliability.
Feature Summary
- AEC-Q101 qualified for automotive electronic environments
- Surface mount construction in a TO-263AB-3 package
- High thermal stability with operation up to 150°C
Applications
- Automotive power control circuits
- AC/DC power supply phase control
- Industrial motor drive systems
Procurement Notes
Verify the specific suffix against official Littelfuse documentation to confirm exact binning or packaging variations. Confirm lead times and minimum order quantities directly with authorized distributors as these are subject to change. Ensure the component meets the required automotive qualification standards for the target application.
Selection Notes
Select this SCR based on the 400V blocking voltage and 20A continuous current requirements. Verify that the TO-263AB-3 footprint matches the PCB layout constraints. Consider the 1.5V gate trigger voltage when designing the driving circuitry to ensure reliable turn-on under varying temperature conditions.
Part Context
This component belongs to the SJxx20xx series of thyristors manufactured by Littelfuse. The series includes various voltage and current ratings tailored for high-power switching applications. The SJ4020NATP is a related variant within the same family, sharing similar core specifications but potentially differing in packaging or specific testing criteria.
Replacement Considerations
The SJ4020NATP is a documented alternative within the same product line. Verify pinout compatibility and thermal resistance characteristics before substitution. Ensure any replacement part maintains the required AEC-Q101 qualification if used in automotive contexts.
