H21A3 Datasheet - Fairchild Semiconductor

H21A3, PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

H21A1 / H21A2 / H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) 0.472 (12.0) 0.457 (11.6) C L 0.249 (6.3.
The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing.

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Datasheet Details

Part number:

H21A3

Manufacturer:

Fairchild Semiconductor

File Size:

104.21 KB

Description:

PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

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 1/1

H21A3 Distributors

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H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH Fairchild Semiconductor

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