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SK008VTP
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Product Detailed Parameters
- Description：SCR 1KV 8A TO251
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- 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
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-251-3 Short Leads, IPAK, TO-251AA
- Supplier Device Package：TO-251 (V-Pak/I-Pak)
- 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 SK008VTP is a silicon-controlled rectifier (SCR) designed for standard recovery applications. It features a maximum repetitive off-state voltage of 1 kV and an RMS on-state current rating of 8 A. The device operates within a junction temperature range of -40°C to +125°C and utilizes a TO-251 (V-Pak/I-Pak) surface-mount package. Key electrical parameters include a maximum gate trigger voltage of 1.5 V, a maximum gate trigger current of 15 mA, and a maximum on-state voltage of 1.6 V. Non-repetitive surge currents are rated at 83 A for 50 Hz and 100 A for 60 Hz frequencies.
Feature Summary
- Standard recovery type construction suitable for general-purpose switching
- Surface-mount TO-251 package design for automated assembly
- High thermal stability with operation up to 125°C
Applications
- Industrial motor control circuits
- Power supply regulation systems
- General purpose AC/DC switching applications
Procurement Notes
Verify the specific datasheet revision when ordering, as Littelfuse documents may undergo updates. Confirm that the TO-251 footprint matches the target PCB layout. Ensure the standard recovery characteristics align with the circuit requirements. Check for RoHS compliance status if environmental regulations apply to the final assembly. Validate the 1 kV rating against the peak inverse voltage in the application.
Selection Notes
Select this component based on the 8 A RMS current requirement and 1 kV blocking voltage. The TO-251 package is appropriate for surface-mount designs requiring moderate power handling. Consider the 1.6 V on-state voltage drop for thermal management calculations. Verify that the 15 mA gate trigger current is compatible with the driving logic level. Ensure the operating temperature range covers the expected ambient conditions.
Part Context
This part belongs to the Littelfuse SK series of silicon-controlled rectifiers. The series offers various voltage and current ratings in standardized packages. The SK008VTP specifically provides a balance of high voltage blocking and moderate current capacity in a compact surface-mount form factor.
Replacement Considerations
The SK010VTP is listed as a parameter-equivalent alternative from Littelfuse. Verify pinout compatibility and package dimensions before substitution. Ensure the replacement meets all electrical specifications required by the original design.
