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The ZXTR2105FQ monolithically integrates a transistor, Zener diode and resistor to function as a linear regulator. The device regulates with a 5V nominal output at 15mA. It is designed for use in high voltage applications where standard linear regulators cannot be used. This function is fully integrated into a SOT23 package, minimizing PCB area and reducing number of components when compared with a multi-chip discrete solution.


Supply voltage regulation for:

  • 12V to 5V Rails
  • 24V to 5V Rails
  • Other Customized Input Rails


  • Series Linear Regulator Using Emitter-Follower Stage
  • Input Voltage = 7 to 60V
  • Output Voltage = 5V ± 5%
  • Fully integrated into a SOT23 package
  • Totally Lead-Free & Fully RoHS compliant 
  • Halogen and Antimony Free. “Green” Device

Product Specifications

Product Parameters

Qualified to AECQ10x Yes
Automotive Compliant PPAP Yes
Operating Input Voltage Min 7 V
Operating Input Voltage Max 60 V
Output Voltage 5 V
Output Voltage Tolerance 5 %
Output Current 30 mA
Enable Function No
Quiescent Current Typ 0.45 mA
PSRR typ 46 dB

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Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
ZXTR2105FQ-7 Arrow Electronics 2078 6/19/2019 Buy Now Americas
ZXTR2105FQ-7 Digi-Key Electronics 4340 6/19/2019 Buy Now Americas
ZXTR2105FQ-7 Mouser Electronics Inc. 5695 6/19/2019 Buy Now Americas