• Part: H21B5
  • Description: PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH
  • Manufacturer: Fairchild Semiconductor
  • Size: 373.45 KB
H21B5 Datasheet (PDF) Download
Fairchild Semiconductor
H21B5

Description

The H21B4, H21B5 and H21B6 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing.

Key Features

  • Opaque housing
  • 035" apertures