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TL431CTA Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TL431CTAHTC17700Yes

TL431CTA** is a precision programmable shunt regulator manufactured by **HTC (HTC Korea Co.

The TL431CTA is a precision programmable shunt regulator manufactured by HTC (HTC Korea Co., Ltd.).

Specifications:

  • Output Voltage Range: 2.5V to 36V (adjustable via external resistors)
  • Reference Voltage: 2.495V (typical)
  • Operating Current Range: 1mA to 100mA
  • Tolerance: ±0.5% (A-grade), ±1% (B-grade)
  • Temperature Range: -40°C to +85°C
  • Package: TO-92, SOT-23, or SOT-89 (depending on variant)
  • Cathode Current (IK): 1mA to 100mA
  • Low Dynamic Output Impedance: 0.2Ω (typical)

Descriptions:

The TL431CTA is a three-terminal adjustable shunt regulator that provides a stable reference voltage. It is commonly used in power supply circuits, voltage monitoring, and precision regulation applications.

Features:

  • Adjustable Output Voltage via external resistors
  • High Accuracy (low tolerance)
  • Low Output Noise
  • Wide Operating Current Range
  • Stable Over Temperature Variations
  • Available in Multiple Package Options

This regulator is widely used in switching power supplies, battery chargers, and voltage reference circuits.

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