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SK012V
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Product Detailed Parameters
- Description：SCR 1KV 12A TO251
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：1 kV
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：20 mA
- Current - Hold (Ih) (Max)：40 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A, 120A
- 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)：7.6 A
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：20 µA
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Overview
The Littelfuse SK012V is a Silicon Controlled Rectifier (SCR) belonging to the SK series, designed for high-voltage power control applications. It features a maximum repetitive off-state voltage of 1 kV and an RMS on-state current rating of 12 A. The device exhibits a forward voltage drop of 1.6 V at rated current and requires a gate trigger voltage of 1.5 V with a gate trigger current of 20 mA. It operates within a junction temperature range of -40°C to +125°C and is housed in a TO-251 through-hole package.
Feature Summary
- Standard recovery type SCR construction for reliable switching
- Through-hole mounting capability in a compact TO-251 package
- High voltage blocking capability up to 1 kV
Applications
- Industrial motor control circuits
- Power supply regulation systems
- General purpose AC/DC conversion stages
Procurement Notes
Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package integrity and lead condition prior to installation. Note that availability status may vary as distribution channels update inventory records. Ensure storage conditions meet semiconductor handling standards to prevent moisture damage or electrostatic discharge during procurement and handling phases.
Selection Notes
Select this component when a 1 kV blocking voltage and 12 A continuous current capacity are required in a TO-251 form factor. Verify that the gate drive circuit can supply at least 20 mA at 1.5 V to ensure reliable triggering. Consider thermal management requirements given the 1.6 V forward voltage drop at full load. Compare against alternative packages if board space constraints differ from the TO-251 dimensions.
Part Context
The SK012V is part of Littelfuse's broader SK series of silicon controlled rectifiers. This series provides various voltage and current ratings for industrial power electronics. The specific model denotes a 12 A current rating and 1000 V voltage rating within this standardized product line, offering consistency for designers working across multiple Littelfuse thyristor solutions.
Replacement Considerations
Publicly confirmed substitute part numbers for the SK012V were not identified in available documentation. Engineers should consult official Littelfuse cross-reference guides or contact the manufacturer directly for verified equivalent components that match the electrical and mechanical specifications.
