H21B5

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 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. 2 3 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. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an “ON” to an “OFF” state. 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 Operating Temperature Storage Temperature Soldering Temperature (Iron)(2,3 and 4) Soldering Temperature...