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H21B5 Datasheet - Fairchild Semiconductor

H21B5_FairchildSemiconductor.pdf

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Datasheet Details

Part number:

H21B5

Manufacturer:

Fairchild Semiconductor

File Size:

373.45 KB

Description:

Photodarlington optical interrupter switch.

H21B5, PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH

The H21B4, H21B5 and H21B6 consist of a gallium arsenide infrared emitting diode coupled with a silicon photodarlington in a plastic housing.

The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability.

The gap in the hous

PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B4 PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) H21B5 H21B6 0.472 (12.0) 0.457 (11.6) C L Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) 0.249 (6.35) 0.243 (6.15) + E D + C L 0.39 (1.00) 0.34 (0.85) 0.755 (19.2) 0.745 (18.9) 0.129 (3.3) 0.119 (3.0) 0.103 (2.60) NOM 0.433 (11.0) 0.422 (10.7) Optical C L 0.125 (3.2) 0.119 (3.0) C L .295 (7.5) .272 (6.9) 0.315 (8.0) SCHEMATIC 0.110 (2.8) 0.091 (2.3) 2 1 3 4 PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PI

H21B5 Features

* Opaque housing

* Low cost

* 035" apertures

* High IC(ON) © 2002 Fairchild Semiconductor Corporation Page 1 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B4 H21B5 H21B6 ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified) Parameter Operati

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