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Product Detailed Parameters
- Description：TRIAC ALTERNISTOR 800V ISOWATT
- Series：Snubberless™
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Alternistor - Snubberless
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：8:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：100A, 105A
- Current - Gate Trigger (Igt) (Max)：30 mA
- Current - Hold (Ih) (Max)：50 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：ISOWATT220AB-3
- Supplier Device Package：ISOWATT220AB
- Grade：-
- Qualification：-
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Overview
The T830-800W is an 8 A Snubberless Triac manufactured by STMicroelectronics, housed in a fully molded plastic ISOWATT220AB package. It features high-performance glass passivated chip technology suitable for phase control and static switching on inductive and resistive loads. The device offers a repetitive peak off-state voltage (VDRM/VRRM) of 800 V and an insulating voltage rating of 1500 V RMS. It is UL recognized under file reference E81734.
Feature Summary
- Snubberless design eliminates the need for external R-C networks
- High performance glass passivated chip technology
- Insulating voltage rated at 1500 V RMS
- UL recognized component
Applications
- Phase control applications
- Static switching on inductive loads
- Static switching on resistive loads
Procurement Notes
Verify the specific datasheet revision and manufacturing status when sourcing this component. Confirm that the ISOWATT220AB package matches your PCB footprint requirements. Ensure the 800 V blocking voltage aligns with your circuit's peak line voltage specifications to maintain safe operating margins.
Selection Notes
Select the T830-800W for applications requiring robust switching without snubber circuits. The 8 A current rating suits moderate power AC loads. Consider the 1500 V RMS insulation if isolation between the heatsink/tab and the circuit is required. Verify gate trigger characteristics against your driving logic levels.
Part Context
This part belongs to STMicroelectronics' T820/830 series of Snubberless Triacs. These devices utilize advanced glass passivation to enhance reliability and switching performance compared to standard triacs. The series is designed to simplify circuit design by removing the need for protective RC snubbers typically required for inductive load commutation.
Replacement Considerations
Direct replacements include other ST Snubberless Triacs in similar packages such as the T820-800W or T830-600W, provided voltage ratings are sufficient. Cross-manufacturer equivalents must be verified for matching IT(RMS), VDRM, and package dimensions.
