Tutorial: BF245A / BF245B

Provides switching, rectification or protection depending on its technology.

BF245A / BF245B

Tutorial / documentation

Transistors & diodes

Quick documentation & first test preparation

  1. Identify component BF245A 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.

BF245A

50mA Id, 30V Vgs, N-Channel FET Transistor, TO-92

  • 50mA Id, 30V Vgs, N-Channel FET Transistor, TO-92
  • 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

BF245B

10mA Id, 30V Vgs, N-Channel FET Transistor, TO-92

  • 10mA Id, 30V Vgs, N-Channel FET Transistor, TO-92
  • 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.