Tutorial: ULN2803A / ULN2801A

Provides switching, rectification or protection depending on its technology.

ULN2803A / ULN2801A

Tutorial / documentation

Transistors & diodes

Quick documentation & first test preparation

  1. Identify component ULN2803A and its package.
  2. Identify the terminals and polarity of the selected package.
  3. Check voltage, current, dissipation and drive conditions.
  4. Consult the application circuit in the linked documentation before testing.

ULN2803A

Darlington Transistor Arrays, SOIC18/DIP18

  • Darlington Transistor Arrays, SOIC18/DIP18
  • Identify the terminals and polarity of the selected package.
  • Check voltage, current, dissipation and drive conditions.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

ULN2801A

Darlington Transistor Arrays, SOIC18/DIP18

  • Darlington Transistor Arrays, SOIC18/DIP18
  • Identify the terminals and polarity of the selected package.
  • Check voltage, current, dissipation and drive conditions.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

Inputs and outputs must match the function described in the selected reference’s documentation.