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SJ4020N1RP
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Product Detailed Parameters
- Description：HIGH TJ 400V 20A 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)：6 mA
- Current - Hold (Ih) (Max)：15 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 SJ4020N1RP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse, belonging to the SJxx20xx series. It features a D2PAK-2 surface-mount package and supports soldering via SMD/SMT installation methods. The device operates within a temperature range of -40°C to +150°C. Key electrical specifications include a rated repetitive off-state voltage (VDRM) of 400 V, an on-state RMS current (It RMS) of 20 A, and a non-repetitive on-state current of 300 A. Gate triggering requirements are defined by a maximum holding current (Ih) of 15 mA, a gate trigger voltage (Vgt) of 1.5 V, and a gate trigger current (Igt) of 6 mA. The component exhibits a maximum off-state leakage current of 10 uA at VDRM.
Feature Summary
- High thermal stability with operation up to +150°C
- Robust surge handling capability for transient events
- Low power gate drive requirements for efficient control
Applications
- Industrial motor control systems
- AC power switching circuits
- Phase control applications
Procurement Notes
Verify the specific ordering suffix against official Littelfuse documentation to confirm exact packaging and reel specifications. Ensure compatibility with standard SMD reflow profiles for the D2PAK-2 package. Confirm RoHS compliance status through the manufacturer's latest datasheet or certification documents before finalizing procurement plans.
Selection Notes
Select this component when a 400 V blocking voltage and 20 A continuous current rating are required in a compact surface-mount form factor. Evaluate the 300 A non-repetitive surge capacity against potential inrush currents in the target circuit. Consider the D2PAK-2 package dimensions for PCB layout constraints and thermal dissipation requirements relative to the application's heat sink design.
Part Context
This SCR belongs to the SJxx20xx family from Littelfuse, designed for general-purpose power control. The series offers various voltage ratings while maintaining consistent current capabilities and package styles. This specific model provides a balance of moderate voltage blocking and high current handling suitable for robust industrial environments.
Replacement Considerations
Consult Littelfuse official cross-reference lists for verified substitutes. Ensure any replacement maintains identical VDRM, It RMS, and package footprint specifications to guarantee mechanical and electrical compatibility without redesigning the host circuit board.
