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H21B5 - PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH

General Description

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.

Key Features

  • Opaque housing.
  • Low cost.
  • 035" apertures.
  • High IC(ON) © 2002 Fairchild Semiconductor Corporation Page 1 of 6 6/13/02.

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Full PDF Text Transcription for H21B5 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for H21B5. For precise diagrams, and layout, please refer to the original PDF.

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...

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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 PIN 4 EMITTER 0.020 (0.51) (SQ) 1 4 NOTES: 1. Dimensions for all drawings are in inches (mm). 2. Tolerance of ± .010 (.25) on all non-nominal dimensions unless otherwise specified.

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