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SJ4032N2ATP
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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)：15 mA
- Current - Hold (Ih) (Max)：50 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 SJ4032N2ATP is a Silicon Controlled Rectifier (SCR) designed for high-temperature environments. It features a TO-263 surface-mount package and supports a maximum repetitive peak off-state voltage of 400 V. The device handles an RMS on-state current of 32 A with a non-repetitive surge current capacity of 300 A. Key electrical parameters include a gate trigger voltage of 1.5 V, a gate trigger current of 10 mA, and a holding current maximum of 35 mA. It operates within a temperature range from -40°C to +150°C.
Feature Summary
- High junction temperature capability up to +150°C
- Surface-mount TO-263 package design
- Robust surge current handling
Applications
- Industrial motor control systems
- Solid-state relays
- Power supply circuits
Procurement Notes
Verify the specific ordering suffix against official Littelfuse documentation to ensure correct packaging and variant selection. Confirm that the TO-263 footprint matches the target PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount SCR with high thermal tolerance is required. Ensure the circuit design accommodates the specified 400 V blocking voltage and 32 A continuous current ratings under expected operating conditions.
Part Context
This part belongs to the Littelfuse SJ series of high-temperature SCRs. These devices are engineered for reliability in demanding power electronics applications where standard components may fail due to thermal stress or high current surges.
Replacement Considerations
Consult Littelfuse technical support for verified cross-reference data. Do not substitute without confirming pinout compatibility and electrical parameter equivalence.
