H21B2
Description
The H21B1, H21B2 and H21B3 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing.
Key Features
- Opaque housing
- 035" apertures
- Part: H21B2
- Description: PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH
- Manufacturer: Fairchild Semiconductor
- Size: 377.34 KB