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S4008RS2TP
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Product Detailed Parameters
- Description：SCR 400V 8A TO220AB
- Series：Teccor®
- Mfr：Littelfuse Inc.
- 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 ~ 110°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220AB
- 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 S4008RS2TP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse Inc. It features an 8 A RMS on-state current and a 400 V rated repetitive off-state voltage. The device utilizes a sensitive gate structure with a maximum gate trigger current of 200 µA. It is housed in a TO-220-2 package designed for through-hole mounting. The component operates within a junction temperature range of -40 °C to +110 °C.
Feature Summary
- Sensitive gate architecture enabling reliable triggering with low gate current requirements
- Robust thermal management capabilities via the TO-220-2 through-hole package design
- High voltage blocking capability suitable for demanding power control applications
Applications
- General purpose AC power switching circuits
- Solid state relay input stages
- Lighting control systems
Procurement Notes
Verify the specific suffix 'TP' against the manufacturer's official documentation to confirm the tube packaging configuration. Ensure the selected variant matches the required voltage and current ratings for the target application circuit. Cross-reference the datasheet revision date to confirm parameter stability before finalizing procurement specifications.
Selection Notes
Select this component when a sensitive gate SCR is required for 400V applications with moderate current handling needs. The TO-220-2 package facilitates easy integration into standard through-hole PCB layouts. Consider the thermal dissipation requirements of the host system to ensure operation remains within the specified temperature limits during continuous conduction.
Part Context
This part belongs to the Littelfuse Sxx08xSx series of silicon controlled rectifiers. The series is characterized by high reliability and consistent performance in power control environments. The specific model denotes an 8 Ampere rating with a 400 Volt blocking capability, distinguishing it from higher or lower voltage variants within the same product family.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Generic replacements must match the 8A current, 400V voltage, and TO-220-2 package constraints.
