| Part Number | H21A2 |
| 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 |
 H21A2 Datasheet
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