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The TS431ACT A3G is a low-voltage, three-terminal adjustable shunt voltage reference manufactured by Taiwan Semiconductor. It operates within a cathode voltage range of 2.5 V to 36 V and allows output voltage adjustment between the internal reference of 2.5 V and the cathode supply using two external resistors. The device features a typical temperature coefficient of 50 ppm/°C and supports a wide operating cathode current range from 1 mA to 100 mA. It includes an integrated 1.2 V bandgap reference for precision regulation.
Verify the specific suffix 'A3G' against the manufacturer's official datasheet to confirm pinout compatibility and tolerance grades. Ensure the ordering part number matches the exact package type and marking code required for your assembly process. Cross-reference with Taiwan Semiconductor's latest documentation to confirm active status and any recent design changes.
Select this component when a low-cost, adjustable shunt reference is needed for voltages above 2.5 V. Consider its 100 mA cathode current limit for load driving requirements. Evaluate the 50 ppm/°C temperature coefficient against your system's thermal environment. Compare performance against standard TL431 equivalents if higher precision or different packaging is required.
This part belongs to the TS431 family of adjustable shunt voltage references. It serves as a cost-effective alternative to industry-standard devices like the TL431. The series is designed for general-purpose voltage regulation and reference applications in consumer and industrial electronics.
The TL431 is a widely recognized functional equivalent. Verify that the replacement device supports the same cathode voltage range and current limits. Check pinout compatibility to ensure direct substitution without PCB redesign.