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SK012DTP
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Product Detailed Parameters
- Description：SCR 1KV 12A TO252
- 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
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252 (DPAK)
- 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 SK012DTP 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 operates within a junction temperature range of -40°C to +125°C and utilizes a TO-220AB through-hole package. Key electrical characteristics include a gate trigger voltage of 1.5 V maximum, a gate trigger current of 20 mA maximum, and an on-state voltage drop of 1.6 V. The component exhibits a holding current of 40 mA maximum and supports non-repetitive surge currents up to 120 A.
Feature Summary
- Standard recovery type SCR construction with glass-passivated junctions for parameter stability
- High thermal performance capability in a robust TO-220AB insulated package
- Low gate sensitivity facilitating straightforward drive circuit integration
Applications
- Industrial motor speed controls
- AC power switching circuits
- Phase control applications requiring noise immunity
Procurement Notes
Verify the specific suffix 'DTP' against official Littelfuse documentation to confirm exact packaging and tape-and-reel specifications. Ensure compatibility with existing board layouts for the TO-220AB footprint. Confirm RoHS compliance status for the specific manufacturing lot prior to integration into regulated assemblies.
Selection Notes
Select this component when a 12 A RMS current capacity and 1 kV blocking voltage are required in a standard through-hole configuration. Compare the 1.6 V on-state voltage drop against alternative thyristors to evaluate conduction losses. Verify that the 20 mA gate trigger current aligns with the available drive signal strength in the target application design.
Part Context
This part belongs to the Littelfuse SK series of silicon controlled rectifiers, which are engineered for general-purpose power switching. The series offers various voltage and current ratings packaged in TO-220 variants. These devices are widely utilized in industrial environments where reliable AC phase control and high-voltage isolation are necessary for system operation.
Replacement Considerations
Consult Littelfuse datasheets for direct equivalents such as the SK012RTP or SK012VTP. Verify pinout compatibility and thermal resistance values before substituting. Ensure the replacement maintains the same 1 kV voltage rating and 12 A current handling capabilities.
