H21B5
H21B5 Datasheet
H21B4
| Part | Datasheet |
|---|---|
H21B5 |
H21B5 (pdf) |
| Related Parts | Information |
|---|---|
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H21B4 |
H21B4 |
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H21B6 |
H21B6 |
| PDF Datasheet Preview |
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| PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B4 PACKAGE DIMENSIONS Ø Ø Optical CL PIN 1 ANODE PIN 2 CATHODE PIN 3 COLLECTOR PIN 4 EMITTER NOTES Dimensions for all drawings are in inches mm . Tolerance of ± on all non-nominal dimensions unless otherwise H21B5 H21B6 SCHEMATIC 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 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. • 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 Parameter Rating Unit TOPR -55 to +100 TSTG -55 to +100 TSOL-I 240 for 5 sec TSOL-F 260 for 10 sec VCEO VECO NOTES Derate power dissipation linearly mW/°C above 25°C. RMA is recommended. Methanol or isopropyl alcohols are recommended as cleaning agents. Soldering iron 1/16" mm minimum from housing. 2002 Fairchild Semiconductor Corporation Page 2 of 6 6/13/02 PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B4 H21B5 |
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