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ACST2035H-8T is listed in the Scrs range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is THYRISTOR. Review the specifications below when checking this part for your BOM.
Scrs specifications for ACST2035H-8T
- Description：THYRISTOR
- Series：*
- Mfr：STMicroelectronics
- Package：Bulk
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
Scrs datasheet and documents for ACST2035H-8T
Scrs Overview
The ACST2035H-8T is a high-power Triac from STMicroelectronics' H-Series, rated for 20 A RMS on-state current and 800 V repetitive peak off-state voltage. It operates with a maximum junction temperature of 150 °C and supports a non-repetitive surge current of 210 A. The device utilizes Snubberless technology to ensure robust dynamic turn-off commutation and high noise immunity. Packaged in a TO-220AB through-hole housing, it features an internal ceramic pad providing 2500 VRMS insulation between the case and terminal 1.
Scrs Feature Summary
- Snubberless design eliminates external RC snubber networks for capacitive loads
- High thermal performance allows heatsink size reduction compared to traditional Triacs
- Internal ceramic pad provides electrical isolation and safety insulation
Scrs Applications
- Industrial control systems requiring heavy AC load switching
- Universal motor speed control in home appliances
- Resistive heater regulation circuits
Scrs Procurement Notes
Verify the specific suffix against official datasheets to confirm voltage rating and package type. Ensure compatibility with existing PCB footprints for TO-220AB mounting. Confirm RoHS compliance status for the specific manufacturing batch before integration into regulated assemblies.
Scrs Selection Notes
Select this component when high blocking voltage and elevated operating temperatures are required. The 800 V rating suits mains applications with potential transients. Verify that the gate trigger current requirements of the driving circuit align with the device's specifications for reliable turn-on.
Scrs Part Context
This part belongs to the T2035H family of high-temperature Triacs. It shares core Snubberless architecture with lower voltage variants like the T2035H-6I but offers increased blocking capability. The TO-220AB package distinguishes it from surface mount alternatives such as the D2PAK versions within the same series.
Scrs Replacement Considerations
Direct substitutes include other STMicroelectronics Triacs with identical 20 A ratings and 800 V blocking capabilities in the TO-220AB package. Cross-brand replacements require matching thermal resistance and gate trigger characteristics.
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