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SJ6025N1ATP
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Product Detailed Parameters
- Description：HT SCR 600V 25A TO263 AECQ
- 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)：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 Littelfuse SJ6025N1ATP is a high-temperature Silicon Controlled Rectifier (SCR) from the SJxx25xxA series, rated for 600 V repetitive peak off-state voltage and 25 A RMS on-state current. It features a TO-263AB (D2-Pak) surface-mount package with an isolated mounting tab. The device supports a maximum junction temperature of 150°C and offers a low gate trigger current of 6 mA at approximately 1.5 V. It is AEC-Q101 qualified and designed for uni-directional switching applications.
Feature Summary
- High thermal capability with a maximum junction temperature of 150°C
- Low gate sensitivity requiring only 6 mA trigger current
- Automotive-grade reliability through AEC-Q101 qualification
- Isolated mounting tab in TO-263AB package for simplified heat sinking
Applications
- AC generator rectifiers
- Battery voltage regulators
- Inrush current controllers in AC to DC applications
- Soft starters for low power AC motors
Procurement Notes
Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and gate sensitivity. Ensure the component meets AEC-Q101 automotive standards if required by the design. Confirm that the TO-263AB footprint matches the PCB layout. Check for RoHS compliance and halogen-free status before finalizing procurement.
Selection Notes
Select this component for applications requiring high surge capability up to 350 A at 60 Hz half cycle. Consider the 1.0 °C/W junction-to-case thermal resistance for heat sink calculations. Ensure the operating case temperature remains within limits defined by the RMS on-state current derating curves. Verify that the 125 A/μs critical rate of rise of on-state current meets the circuit requirements.
Part Context
This part belongs to the SJxx25xxA series of 25 Amp high junction temperature SCRs manufactured by Littelfuse. The series includes variants with different voltage ratings (400V or 600V), gate sensitivities (6mA, 10mA, 35mA), and packages (TO-220L, TO-220R, TO-263). The 'N' indicates the TO-263 package, '1' denotes 6mA gate sensitivity, and 'A' signifies AEC-Q101 qualification.
Replacement Considerations
Direct replacements must match the 600V rating, 25A current capacity, and TO-263 package. Variants like SJ6025N2ATP (10mA gate sensitivity) or SJ6025N3ATP (35mA gate sensitivity) are electrically compatible but require adjusted gate drive circuits. Other manufacturers' TO-263 SCRs with identical electrical specifications may be considered after thorough validation.
