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SK012VTP
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Product Detailed Parameters
- Description：SCR 1KV 12A 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)：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 SK012VTP is a silicon-controlled rectifier (SCR) designed for high-voltage power control applications. It features a peak repetitive off-state voltage of 1200 V and an on-state RMS current rating of 12 A. The device utilizes a standard recovery type structure, ensuring reliable switching performance in demanding environments. It is housed in a TO-220AB through-hole package, facilitating efficient thermal management via the mounting surface. Key electrical characteristics include a maximum on-state voltage of 1.6 V and a gate trigger current of 20 mA. The component operates within a junction temperature range of -40°C to 125°C, providing robust functionality for industrial and commercial power systems requiring durable semiconductor switching solutions.
Feature Summary
- High voltage blocking capability suitable for demanding power circuits
- Through-hole mounting for secure mechanical attachment and heat dissipation
- Standard recovery design for general-purpose AC/DC control applications
Applications
- Industrial motor control systems
- Power supply regulation circuits
- Solid-state relay implementations
Procurement Notes
Verify the specific suffix 'VTP' against official Littelfuse documentation to confirm exact pinout and thermal specifications. Ensure compatibility with existing PCB layouts and heatsinking requirements before integration. Cross-reference datasheet revisions to guarantee parameter consistency for critical design margins.
Selection Notes
Select this component when a 1200 V blocking voltage and 12 A continuous current capacity are required in a TO-220AB package. Consider the 1.6 V on-state voltage drop for thermal calculations. Verify that the gate trigger requirements align with the driving circuit's output capabilities for reliable turn-on.
Part Context
This SCR belongs to Littelfuse's standard thyristor portfolio, engineered for robust power switching. The TO-220AB form factor is widely used in industrial equipment due to its ease of mounting and effective heat transfer characteristics. It serves as a fundamental building block for controlling high-power loads in various electronic systems.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Ensure any replacement matches the 1200 V rating, 12 A current capacity, and TO-220AB package dimensions. Verify identical or compatible gate trigger parameters to maintain circuit performance.
