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AS431 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AS431ASTEC500Yes

AS431 is a precision shunt regulator manufactured by ASTEC (now part of Emerson Network Power).

The AS431 is a precision shunt regulator manufactured by ASTEC (now part of Emerson Network Power). Below are the factual specifications, descriptions, and features of the AS431:

Specifications:

  • Output Voltage Range: 2.5V to 36V (adjustable)
  • Reference Voltage: 2.5V ±1% (typical)
  • Operating Current Range: 1mA to 100mA
  • Sink Current Capability: Up to 100mA
  • Temperature Stability: ±50ppm/°C (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package Options: TO-92, SOT-23, SO-8

Descriptions:

  • The AS431 is a three-terminal adjustable precision shunt regulator.
  • It is commonly used in power supply feedback circuits, voltage monitoring, and error amplifiers.
  • The device maintains a stable reference voltage with low dynamic impedance.

Features:

  • High Accuracy: Tight reference voltage tolerance (±1%).
  • Low Output Noise: Suitable for precision applications.
  • Wide Operating Range: Adjustable from 2.5V to 36V.
  • Low Temperature Drift: Ensures stability over temperature variations.
  • Equivalent to Industry Standard TL431: Compatible with similar shunt regulators.

This information is based on the manufacturer's datasheet and technical documentation.

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