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SJ4008DS2TP
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Product Detailed Parameters
- Description：8 AMP HIGH TEMPERATURE SENSITIVE
- Series：SJxx08xSx
- Mfr：IXYS
- Package：Tube
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：6 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：83A, 100A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252AA
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：5.1 A
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：5 µA
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Overview
The SJ4008DS2TP is a sensitive gate silicon controlled rectifier (SCR) manufactured by IXYS, now part of Littelfuse. It features a 400V repetitive peak off-state voltage and an average on-state current rating of 8A. The device is housed in a TO-252AA (DPak) surface-mount package with three leads. Key electrical characteristics include a maximum holding current of 6 mA and a non-repetitive surge current capability of up to 100A at 60Hz. It is designed for applications requiring reliable switching in power control circuits.
Feature Summary
- Sensitive gate architecture for efficient triggering
- Surface-mount TO-252AA package for automated assembly
- High surge current handling capability
Applications
- General purpose AC power control
- Lighting dimmer circuits
- Motor speed control systems
Procurement Notes
Verify the manufacturer designation as IXYS or Littelfuse, as corporate integration may affect labeling. Confirm the specific suffix 'TP' corresponds to the tube packaging variant if required by your assembly process. Ensure the sensitive gate type matches your trigger circuit design requirements before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount SCR with 400V blocking capability and 8A continuous current is needed. The sensitive gate feature allows for lower drive power compared to standard gates. Consider the thermal resistance of the TO-252AA package and ensure adequate PCB copper area for heat dissipation during high-current operation.
Part Context
This SCR belongs to the SJxx08xSx series from IXYS, designed for general-purpose power switching. The series offers various voltage ratings within the same current class, allowing designers to select appropriate blocking voltages while maintaining consistent package and thermal characteristics across different product variants.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with any alternative SCRs based on voltage, current, and gate sensitivity specifications rather than direct cross-reference lists.
