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SK012RTP
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Product Detailed Parameters
- Description：SCR 1KV 12A TO220AB
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- 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 (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)：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 SK012RTP is a standard recovery silicon controlled rectifier (SCR) designed for high-voltage power control applications. It features a 1 kV repetitive peak off-state voltage and supports an RMS on-state current of 12 A, with an average on-state current rating of 7.6 A. The device is housed in a TO-220AB through-hole package, facilitating efficient thermal management via the mounting tab. Key electrical characteristics include a maximum gate trigger voltage of 1.5 V and a maximum on-state voltage of 1.6 V. It operates within a junction temperature range of -40°C to 125°C and complies with RoHS3 standards.
Feature Summary
- Standard recovery type construction for reliable switching performance
- Integrated heat sink mounting capability via TO-220AB package
- Glass-passivated junctions for enhanced parameter stability
Applications
- Industrial motor speed controls
- High-voltage DC power supply regulation
- Solid-state relay circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and variant selection. Confirm that the component meets all required environmental certifications, such as RoHS3 compliance, prior to integration into the final design to avoid supply chain discrepancies.
Selection Notes
Select this component when a 1 kV blocking voltage and 12 A RMS current capacity are required in a through-hole configuration. Ensure the application's thermal design can handle the specified average current of 7.6 A. Verify that the gate drive circuitry can provide sufficient current to meet the 20 mA maximum trigger requirement under worst-case temperature conditions.
Part Context
This SCR belongs to Littelfuse's Teccor brand portfolio of power semiconductors. The product line focuses on robust AC and DC switching solutions for industrial and commercial markets. The TO-220AB form factor is commonly used in applications requiring direct board mounting or external heatsink attachment for effective thermal dissipation.
Replacement Considerations
Consult Littelfuse official substitution guides for verified equivalents. Cross-reference key parameters including voltage ratings, current capacities, and package dimensions before implementing any alternative part numbers.
