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SST12B-800CW is listed in the Triacs range at ChipApex. The manufacturer field lists SMC Diode Solutions. Its product description is TRIAC 800V 12A TO220B. Review the specifications below when checking this part for your BOM.
Triacs specifications for SST12B-800CW
- Description：TRIAC 800V 12A TO220B
- Series：SST12
- Mfr：SMC Diode Solutions
- Package：Tube
- Triac Type：Standard
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：12:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：120A @ 50Hz
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：40 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220B
- Grade：-
- Qualification：-
Triacs datasheet and documents for SST12B-800CW
Triacs Overview
The SST12B-800CW is a snubberless triac manufactured by SMC Diode Solutions. It is designed for AC power switching applications requiring high junction operating temperature capability and immunity to gate noise. The device features self-protective clamping capabilities against low and high energy transients, allowing it to commutate full RMS current at maximum rated junction temperature without the aid of an external snubber circuit.
Triacs Feature Summary
- Snubberless operation enabling direct commutation of full RMS current at maximum rated junction temperature
- Self-protective clamping structure ensuring safe high over-voltage withstand capability
- High minimum gate trigger current (IGT) for guaranteed immunity to gate noise
Triacs Applications
- AC power control circuits
- Motor speed control systems
- Lighting dimmer applications
Triacs Procurement Notes
Verify the manufacturer designation as SMC Diode Solutions matches the specific component requirements. Confirm the package type and pinout configuration align with the target PCB layout. Ensure the thermal management design supports the specified maximum junction temperature limits during operation.
Triacs Selection Notes
Select this component for applications requiring robust transient protection and simplified circuit designs that eliminate external snubber networks. Evaluate the thermal performance characteristics to ensure reliable operation under continuous load conditions. Verify compatibility with the intended gate drive signals and voltage levels.
Triacs Part Context
This triac belongs to the SST series of snubberless power switches. These devices are engineered to replace traditional triacs that require complex snubber circuits, thereby reducing component count and improving reliability in high-temperature environments.
Triacs Replacement Considerations
Consult official substitution guides from SMC Diode Solutions or equivalent manufacturers for compatible alternatives. Verify electrical parameters such as holding current and latching current match the original design specifications before implementation.
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