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SJ4025N2TP
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Product Detailed Parameters
- Description：HIGH TJ 400V 25A 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)：300A, 350A
- 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)：16 A
- Current - On State (It (RMS)) (Max)：25 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse SJ4025N2TP is a Silicon Controlled Rectifier (SCR) from the SJxx25xx series, designed for surface-mount applications in the TO-263AB-3 package. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 12 A. The device supports high junction temperatures up to +150°C and meets AEC-Q101 automotive qualification standards. Key electrical parameters include a gate trigger voltage of 1.5 V, a gate trigger current of 35 mA, and a maximum holding current of 50 mA. Non-repetitive peak on-state current reaches 350 A, with a forward voltage drop of 1.6 V at rated current.
Feature Summary
- Automotive-grade reliability certified under AEC-Q101 standards
- High thermal stability supporting operation up to +150°C junction temperature
- Surface-mount construction in a compact TO-263AB-3 package
Applications
- Automotive power control circuits
- Industrial motor drive systems
- AC/DC power supply input stages
Procurement Notes
Verify the specific suffix 'N2' against official Littelfuse documentation to confirm exact pinout and electrical tolerances, as suffixes often denote specific manufacturing revisions or testing criteria. Ensure the ordering quantity aligns with the standard tube packaging configuration of 1000 units per tube. Cross-reference the datasheet revision date to ensure compliance with current RoHS and REACH regulations before finalizing procurement.
Selection Notes
Select this component when an SCR with 400V blocking capability and 12A continuous current rating is required in a surface-mount form factor. The AEC-Q101 certification makes it suitable for automotive environments requiring high thermal endurance up to 150°C. Compare the 1.5V gate trigger voltage against microcontroller output capabilities to ensure reliable triggering without excessive drive current.
Part Context
This part belongs to the SJxx25xx family of thyristors, which are characterized by their robustness and suitability for high-temperature industrial and automotive applications. The SJ series specifically targets surface-mount designs, offering a compact alternative to traditional through-hole SCRs while maintaining high current handling capabilities and thermal performance.
Replacement Considerations
Direct replacements within the same series include SJ4025NATP and SJ4025N1ATP. Verify that the substitute part shares the identical TO-263AB-3 footprint and compatible electrical ratings, particularly the 400V voltage class and 12A current rating, to ensure mechanical and functional interchangeability.
