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H21A5 - PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

Description

The H21A series are 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.

Features

  • Opaque housing.
  • Low cost.
  • .035” apertures.
  • High IC(ON)  2001 Fairchild Semiconductor Corporation DS300291 6/05/01 1 OF 4 www. fairchildsemi. com.

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Other Datasheets by Fairchild (onsemi)

Part Number Description
H21A PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
H21A1 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
H21A2 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
H21A3 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH
H21A4 PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH

Full PDF Text Transcription

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PHOTOTRANSISTOR OPTICAL INTERRUPTER SWITCH H21A4 PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) 0.472 (12.0) 0.457 (11.6) C L 0.249 (6.35) 0.243 (6.15) + E D + H21A5 H21A6 Ø 0.133 (3.4) Ø 0.126 (3.2) (2X) 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 SCHEMATIC 0.125 (3.2) 0.119 (3.0) C L .295 (7.5) .272 (6.9) 0.110 (2.8) 0.091 (2.3) 0.315 (8.0) 1 4 2 1 3 4 PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER 0.020 (0.51) (SQ) 2 3 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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