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S4008NS3RP
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Product Detailed Parameters
- Description：SCR 400V 8A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：500 µA
- Current - Hold (Ih) (Max)：8 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：83A, 100A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C (TJ)
- 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)：5.1 A
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：5 µA
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Overview
The S4008NS3RP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse, belonging to the Sxx10xSx series. It features a rated repetitive off-state voltage (VDRM) of 400 V and an on-state RMS current (It RMS) of 10 A. The device has a maximum off-state leakage current of 10 uA at VDRM and a forward voltage drop (Vf) of 1.6 V. Gate triggering parameters include a gate trigger voltage (Vgt) of 800 mV and a gate trigger current (Igt) of 500 uA. The maximum holding current (Ih) is 8 mA, with a non-repetitive peak on-state current of 100 A. It operates within a temperature range of -40 C to +110 C and is housed in a D2PAK-2 (TO-263-2) surface mount package.
Feature Summary
- Sensitive gate design requiring low gate trigger current for efficient control
- Robust thermal performance suitable for high-power applications
- Surface mount construction for automated PCB assembly
Applications
- AC power control circuits
- Lighting dimmer applications
- Motor speed control systems
Procurement Notes
Verify the specific suffix 'NS3RP' against the manufacturer's latest datasheet to confirm pinout and packaging details. Ensure the ordering quantity aligns with the standard reel quantity of 2500 units. Confirm RoHS and REACH compliance status through official Littelfuse documentation before finalizing procurement specifications.
Selection Notes
Select this component when a 10 A RMS SCR with 400 V blocking capability is required in a TO-263-2 package. Compare the 500 uA gate sensitivity against other series members if lower drive power is needed. Verify that the 100 A non-repetitive surge rating meets the circuit's fault current requirements.
Part Context
This part belongs to Littelfuse's Sxx10xSx family of sensitive gate SCRs. It shares similar electrical characteristics with the S4008DS3RP but offers higher current handling in a different package form factor. The series is designed for general-purpose power control applications requiring reliable switching performance.
Replacement Considerations
Direct substitutes within the same series include parts with identical current and voltage ratings but different package styles or suffixes. Verify compatibility with existing board layouts when considering alternative packages like DPAK-2.
