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SJ4025N1RP
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Product Detailed Parameters
- Description：HIGH TJ 400V 25A 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)：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 SJ4025N1RP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse under the Teccor brand. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 25 A. The device operates within a temperature range of -40°C to +150°C and utilizes an SMTO-263-2 surface-mount package. Key electrical parameters include a maximum holding current of 50 mA, a gate trigger voltage of 1.5 V, and a gate trigger current of 35 mA. The forward voltage drop is specified at 1.6 V, with a non-repetitive peak on-state current capability of 350 A.
Feature Summary
- High thermal stability supporting operation up to 150°C
- Surface-mount design for automated assembly integration
- Robust surge current handling capability
Applications
- Industrial motor control circuits
- Solid-state relay implementations
- General-purpose power switching applications
Procurement Notes
Verify component authenticity through authorized Littelfuse distributors or certified suppliers. Confirm that the received parts match the SJ4025N1RP designation and exhibit no physical damage. Ensure compliance with relevant safety standards such as UL certification prior to integration into final assemblies.
Selection Notes
Select this component when high junction temperature operation is required compared to standard 125°C variants. The 25A rating suits moderate power loads, while the 400V blocking voltage fits low-voltage AC systems. Consider the SMTO-263-2 footprint for PCB layout constraints requiring surface-mount thyristors.
Part Context
This part belongs to the SJxx25xx series of high-temperature SCRs from Littelfuse. It shares the 25A current class with other models but distinguishes itself through an extended operating temperature limit of 150°C. This series targets applications demanding higher thermal resilience than standard silicon devices provide.
Replacement Considerations
Direct replacements may include SJ4025NATP or SJ4025N1TP, which share similar electrical ratings and package types. Verify pinout compatibility and thermal characteristics before substitution.
