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SJ4032LATP
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Product Detailed Parameters
- Description：32 AMP STANDARD SCR TO-220 ISO
- Series：SJxx32xxA
- Mfr：Littelfuse Inc.
- Package：Tube
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：320A, 380A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack, Isolated Tab
- Supplier Device Package：ITO-220AB
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：20 A
- Current - On State (It (RMS)) (Max)：32 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse SJ4032LATP is a Silicon Controlled Rectifier (SCR) designed for high-temperature applications. It features a 400V to 600V voltage capability and a 32A average on-state current rating. The device supports a surge current of up to 380A at a 60Hz half-cycle. It utilizes an ITO-220AB flange mount package, ensuring robust thermal performance with a high junction temperature rating.
Feature Summary
- High junction temperature operation
- Flange mount package for efficient heat dissipation
- AEC-Q101 qualified for automotive environments
Applications
- Automotive powertrain systems
- Industrial motor control
- Solid state relays
Procurement Notes
Verify the specific voltage class required, as the part covers a range from 400V to 600V. Confirm that the ITO-220AB flange mount interface matches the mechanical design constraints. Ensure the application environment aligns with the AEC-Q101 qualification standards if used in automotive contexts.
Selection Notes
Select this component when high thermal stability and automotive reliability are critical. The 32A rating suits moderate power switching needs. Consider the flange mount requirement for mounting hardware compatibility. Verify surge current requirements against the 380A limit for transient protection scenarios.
Part Context
This SCR belongs to Littelfuse's low-power series capable of handling voltages up to 1200V. The SJ4032LATP specifically targets applications requiring reliable switching under harsh thermal conditions. Its automotive qualification distinguishes it from standard industrial components.
Replacement Considerations
Direct substitutes must match the 32A current rating, 400-600V voltage range, and ITO-220AB flange package. Verify equivalent surge current capabilities and junction temperature ratings before substitution.
