Tutorial: 4N25 / 4N26

Converts a physical quantity into a signal for a measuring circuit.

4N25 / 4N26

Tutorial / documentation

Sensors

Quick documentation & first test preparation

  1. Identify component 4N25 and its package.
  2. Check the measured quantity, useful range and calibration method.
  3. Identify the output interface and compatible electrical levels.
  4. Consult the application circuit in the linked documentation before testing.

4N25

DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V, DIP6

  • DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V, DIP6
  • Check the measured quantity, useful range and calibration method.
  • Identify the output interface and compatible electrical levels.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

4N26

DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 1500V, DIP6

  • DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 1500V, DIP6
  • Check the measured quantity, useful range and calibration method.
  • Identify the output interface and compatible electrical levels.
  • 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.