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H21A1 - PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

Fairchild Semiconductor

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Datasheet Details

Part number: H21A1
Manufacturer: Fairchild Semiconductor
File Size: 104.21 KB
Datasheet: H21A1_FairchildSemiconductor.pdf
Description: PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

H21A1 Product details

Description

The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing..

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. Soldering iron tip 1/16” (1.6mm) minimum from housing. 2 3 2 1 3 4 PIN 1.

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PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH Fairchild Semiconductor

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H21A1 Stock/Price