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SJ4012N2TP
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Product Detailed Parameters
- Description：HIGH TJ 400V 12A SCR TO263
- Series：SJ
- Mfr：Littelfuse Inc.
- Package：Tube
- 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)：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 Littelfuse SJ4012N2TP 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 of 12 A. The device operates within a junction temperature range of -40°C to +150°C and utilizes a D2PAK-2 package. Key electrical characteristics include a maximum holding current of 35 mA, a non-repetitive peak on-state current of 300 A, and a gate trigger voltage of 1.5 V with a gate trigger current of 10 mA.
Feature Summary
- High thermal stability supporting operation up to 150°C junction temperature
- Robust surge handling capability with 300 A non-repetitive peak current
- Low gate sensitivity requiring only 10 mA for reliable triggering
Applications
- Industrial motor control circuits
- Solid-state relay designs
- AC power switching applications
Procurement Notes
Verify the specific suffix N2TP against official Littelfuse documentation to confirm pinout configuration and packaging type. Ensure the selected component matches the required D2PAK-2 footprint and lead-free specifications for the target assembly process.
Selection Notes
Select this SCR for circuits requiring 400 V blocking voltage and 12 A continuous current in a compact surface-mount form factor. Consider the 1.5 V gate trigger voltage when designing the drive circuitry to ensure sufficient signal strength for reliable turn-on under varying temperature conditions.
Part Context
This component belongs to the SJxx20xx family of high-temperature SCRs manufactured by Littelfuse. These devices are engineered for robust performance in demanding industrial environments, offering a balance of high current density and thermal resilience in standard SMD packages.
Replacement Considerations
Consult Littelfuse datasheets for direct equivalents within the SJ series or comparable thyristors from other manufacturers that match the 400V/12A rating and D2PAK-2 package dimensions.
