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SK008NRP
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Product Detailed Parameters
- Description：SCR 1KV 8A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Voltage - Off State：1 kV
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：30 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：83A, 100A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C (TJ)
- Grade：-
- Qualification：-
- 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)：20 µA
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Overview
The Littelfuse SK008NRP is a silicon-controlled rectifier (SCR) rated for 1 kV blocking voltage and 8 A RMS on-state current. It features standard recovery characteristics with a maximum forward voltage drop of 1.6 V at rated current. The device is housed in a TO-263 (D2PAK) surface-mount package, providing thermal performance suitable for industrial applications. Key electrical parameters include a gate trigger voltage of 1.5 V max, holding current of 30 mA max, and non-repetitive surge currents of 83 A at 50/60 Hz. It operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- Standard recovery type optimized for general-purpose AC switching and phase control
- Surface-mount TO-263 package design facilitates automated assembly and efficient heat dissipation
- Glass-passivated junction construction ensures robustness against environmental stressors
Applications
- AC solid-state switching circuits
- Phase control applications such as motor speed regulation
- Lighting dimmer controls
Procurement Notes
Verify the specific suffix NRP against the official Littelfuse datasheet to confirm pinout and packaging variations relative to the TRP variant. Confirm RoHS3 compliance status for the specific manufacturing lot. Ensure the ordering quantity aligns with the manufacturer's standard tube packaging requirements rather than assuming reel availability.
Selection Notes
Select this component when a 1 kV blocking voltage and 8 A continuous current are required in a surface-mount form factor. Compare the 1.6 V forward voltage drop against system efficiency targets. Verify that the TO-263 thermal resistance meets the application's heat sinking constraints. Ensure the standard recovery time is sufficient for the target switching frequency to avoid excessive turn-off losses.
Part Context
The SK008NRP belongs to the Sxx08x series of high-commutation SCRs from Littelfuse. This series is engineered for reliable operation in AC power control environments. The part shares core electrical specifications with other suffixes like SK008NTP, differing primarily in packaging or tape-and-reel configuration details defined by the manufacturer.
Replacement Considerations
SK008NTP is documented as a parameter-equivalent alternative within the same product family. Verify that any substitute maintains identical voltage, current, and package dimensions before integration.
