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SCT812B
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Product Detailed Parameters
- Description：SCR 800V 12A TO220C
- Series：-
- Mfr：SMC Diode Solutions
- Package：Tube
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：140A @ 50Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220C
- Voltage - On State (Vtm) (Max)：1.55 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：12:00 AM
- Current - Off State (Max)：5 µA
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Overview
The SCT812B is a Silicon Controlled Rectifier (SCR) manufactured by SMC Diode Solutions. It features an 800V off-state voltage rating and a 12A on-state current capacity. The device utilizes a TO-220C through-hole package for mounting. Key electrical specifications include a maximum gate trigger voltage of 1.5V. This component is designed for standard recovery applications requiring robust switching capabilities in power electronic circuits.
Feature Summary
- Standard recovery thyristor construction
- Through-hole TO-220C package configuration
- High voltage blocking capability
Applications
- Industrial power control systems
- AC motor speed regulation
- Lighting dimmer circuits
Procurement Notes
Verify the specific datasheet version from SMC Diode Solutions to confirm exact thermal characteristics and mechanical dimensions. Ensure the TO-220C package matches your PCB or panel mounting requirements. Cross-reference the 800V and 12A ratings with your circuit design constraints before procurement.
Selection Notes
Select this SCR when an 800V blocking voltage and 12A continuous current are required. The TO-220C package suits applications needing direct panel mounting or heatsink attachment. Consider the 1.5V max gate trigger voltage for driver compatibility. Verify standard recovery time meets your frequency requirements.
Part Context
This component belongs to the SCR category within discrete semiconductor products. It is part of SMC Diode Solutions' thyristor lineup, designed for general-purpose power switching. The TO-220C package provides a standardized form factor for industrial electronics assembly.
Replacement Considerations
Consult official substitution guides for equivalent SCRs with matching 800V/12A ratings and TO-220C packages. Verify pinout compatibility and thermal resistance values before replacing.
FAQ
What is the maximum gate trigger voltage?
The maximum gate trigger voltage is 1.5V.
What package type does the SCT812B use?
It uses a TO-220C through-hole package.
