SFH309 / BPW42

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

Tutorial / documentation

Sensors

Quick documentation & first test preparation

  1. Identify component SFH309 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.

SFH309

Phototransistor NPN

  • Phototransistor NPN
  • 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

BPW42

NPN phototransistor

  • NPN phototransistor
  • 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