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SJ4025R1ATP
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Product Detailed Parameters
- Description：HT SCR 400V 25A TO220R AECQ
- Series：SJ
- Mfr：Littelfuse Inc.
- Package：Tube
- Voltage - Off State：400 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：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220AB
- 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 SJ4025R1ATP is a Silicon Controlled Rectifier (SCR) belonging to the SJxx25xx series, manufactured by Littelfuse. It features a rated repetitive off-state voltage (VDRM) of 400 V and an on-state RMS current (It RMS) of 12 A. The device has a gate trigger voltage (Vgt) of 1.5 V and operates within a temperature range from -40 C to +150 C. It utilizes a Surface Mount Device (SMD/SMT) installation style in a TO-263AB-3 package. The component holds AEC-Q101 qualification for automotive applications and is supplied in tube packaging.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- High junction temperature capability up to 150 C
- Surface mount construction in TO-263AB-3 package
Applications
- Automotive power control circuits
- Industrial motor drives
- AC/DC power supplies
Procurement Notes
Verify the exact part number against official Littelfuse documentation, as the specific suffix 'R1' may indicate a variant not fully detailed in general distributor listings. Confirm availability status directly with authorized distributors or the manufacturer, as stock levels fluctuate. Ensure compliance with RoHS directives and check for any specific ordering suffixes that might affect lead times or packaging quantities before finalizing procurement orders.
Selection Notes
Select this component when a 400 V SCR with 12 A RMS current handling is required in a surface-mount form factor. The TO-263AB-3 package offers thermal performance suitable for moderate power applications. Consider the 150 C maximum operating temperature for high-heat environments. Verify that the 1.5 V gate trigger voltage aligns with the driving circuit capabilities. Ensure the application does not require higher current ratings found in other series members like the S4025NRP.
Part Context
This device is part of the Littelfuse SJxx25xx series of thyristors, designed for robust power switching applications. The series includes various voltage and current ratings packaged in standard forms like TO-263. The SJ4025R1ATP specifically targets automotive and industrial sectors requiring reliable SCR solutions with surface-mount convenience and high-temperature resilience compared to through-hole alternatives.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Evaluate similar Littelfuse SCRs in the SJ series with matching 400 V and 12 A ratings, ensuring pinout compatibility with the TO-263AB-3 package. Cross-reference with other manufacturers offering equivalent specifications if Littelfuse supply is constrained.
