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Product Detailed Parameters
- Description：TRIAC 800V 16A TO220FPAB
- Series：ASD
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Standard
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：16 A
- Voltage - Gate Trigger (Vgt) (Max)：1 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：140A, 147A
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：30 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Full Pack
- Supplier Device Package：TO-220FPAB
- Grade：-
- Qualification：-
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Overview
The ACST1635-8FP is an overvoltage protected AC switch built with A.S.D. technology, designed for home appliances and industrial systems to drive loads up to 16 A. It embeds a Triac structure with a high voltage crowbar device to absorb inductive turn-off energy and withstand line surges per IEC 61000-4-5. The device features high noise immunity against static dV/dt and burst transients, supports a maximum junction temperature of 150 °C, and requires no external over-voltage protection components.
Feature Summary
- Integrates overvoltage crowbar technology to enable equipment compliance with IEC 61000-4-5 surge standards without external protection circuits.
- Provides high noise immunity against static dV/dt and IEC 61000-4-4 burst transients.
- Supports operation at high junction temperatures up to 150 °C.
- Complies with UL standards and provides UL certified insulation rated at 2000 V rms.
Applications
- Home appliances requiring robust AC load switching
- Industrial systems driving inductive loads
- Equipment needing integrated surge immunity
Procurement Notes
Verify the specific manufacturer datasheet for the ACST1635-8FP to confirm current production status and exact package dimensions. Ensure that the design requirements align with the device's 16 A load capacity and 150 °C thermal limits. Confirm compliance with relevant safety certifications such as UL standards before finalizing component selection for mass production.
Selection Notes
Select this component when designing circuits that require integrated overvoltage protection to reduce bill of materials count. It is suitable for applications demanding high commutation capability and immunity to electrical noise. Consider the 150 °C junction temperature rating for designs operating in high-thermal environments where standard devices might fail.
Part Context
This part belongs to the AC power switch range utilizing A.S.D. technology. It is distinct from standard Triacs by embedding a crowbar mechanism for surge absorption. The series is targeted at residential and industrial AC switching applications where reliability under surge conditions is critical.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit layouts if considering alternative AC switches with similar A.S.D. technology or crowbar features.
