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SJ4020N2ARP
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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)：10 mA
- Current - Hold (Ih) (Max)：35 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 SJ4020N2ARP is a Silicon Controlled Rectifier (SCR) belonging to the SJxx20xx series, designed for surface mount applications in the D2PAK-2 package. It features a rated repetitive off-state voltage of 400 V and an RMS on-state current capability of 20 A. The device operates within a temperature range of -40°C to +150°C. Key electrical parameters include a gate trigger voltage of 1.5 V, a gate trigger current of 10 mA, and a maximum holding current of 35 mA. The non-repetitive on-state current rating is 300 A, with an off-state leakage current of 10 µA at VDRM.
Feature Summary
- Surface mount construction in a D2PAK-2 package for automated PCB assembly
- High thermal stability supporting operation up to +150°C junction temperature
- Robust surge handling capability with a 300 A non-repetitive on-state current rating
Applications
- Industrial power control systems requiring high current switching
- AC motor speed control circuits
- Solid state relay implementations
Procurement Notes
Verify the specific suffix 'ARP' against official Littelfuse documentation to confirm material composition or tin whisker mitigation treatments. Confirm availability status and lead times directly with authorized distributors, as stock levels fluctuate. Ensure the ordering quantity meets the manufacturer's minimum reel requirements.
Selection Notes
Select this component when a 400 V blocking voltage and 20 A continuous current are required in a compact surface mount form factor. Verify that the gate drive circuit can supply at least 10 mA at 1.5 V for reliable triggering. Ensure the application environment stays within the specified -40°C to +150°C operating range.
Part Context
This SCR is part of the SJxx20xx family from Littelfuse, which focuses on high-power thyristors for industrial and commercial applications. The series offers various voltage ratings while maintaining consistent current capabilities and package styles for design flexibility across different power control modules.
Replacement Considerations
Consult Littelfuse official substitution guides for verified equivalents. Generic replacements must match the 400 V/20 A rating, D2PAK-2 footprint, and electrical characteristics precisely to ensure circuit compatibility.
