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SJ4032NATP
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Product Detailed Parameters
- Description：32 AMP STANDARD SCR TO-263
- 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：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)：20 A
- Current - On State (It (RMS)) (Max)：32 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse SJ4032NATP is a silicon-controlled rectifier (SCR) designed for high-temperature environments. It features a TO-263AB-3 surface-mount package and supports an RMS on-state current of 32 A with a repetitive peak off-state voltage of 400 V. The device operates within a junction temperature range of -40°C to +150°C. Key electrical parameters include a forward voltage of 1.6 V, a gate trigger voltage of 1.5 V, and a non-repetitive surge current capacity of 300 A. It meets AEC-Q101 automotive qualification standards.
Feature Summary
- High-temperature operation capability up to +150°C junction temperature
- Automotive-grade reliability certified under AEC-Q101 standards
- Surface-mount construction in a compact TO-263AB-3 package
Applications
- Solid-state relays
- Industrial motor control systems
- Power conversion circuits
Procurement Notes
Verify the specific ordering suffix against official Littelfuse documentation to ensure correct packaging and variant selection. Confirm that the required lead time aligns with project schedules, as production cycles may vary. Ensure all technical specifications meet the design requirements before finalizing procurement orders.
Selection Notes
Select this component when a 32 A RMS SCR is required in a surface-mount form factor. The 400 V rating suits low-voltage AC switching applications. Verify that the thermal management solution supports the +150°C maximum junction temperature requirement for reliable long-term operation in elevated ambient conditions.
Part Context
This part belongs to the SJ series of high-temperature SCRs from Littelfuse. The series includes variants with different current ratings, such as the SJ4020NATP, which shares similar voltage and package characteristics but offers a lower 20 A current rating. These devices are engineered for robust performance in demanding industrial and automotive environments.
Replacement Considerations
The SJ4020NATP is a related device within the same family offering identical voltage and package specifications but with a reduced 20 A current rating. Verify if the lower current capacity meets the application's load requirements before substituting.
