Part Number | H21A |
Manufacturer | Fairchild Semiconductor |
Title | PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH |
Description | The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The ... |
Features |
0.110 (2.8) 0.091 (2.3)
• Opaque housing • Low cost • .035” apertures • High IC(ON) 1. Derate power dissipation linearly 1.33 mW/°C above 25°C. 2. RMA flux is recommended. 3. Methanol or isopropyl alcohols are recommended as cleaning agents. 4. Sold... |
Datasheet | H21A Datasheet |