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| SD3443/5443 Silicon Phototransistor FEATURES * TO-46 metal can package * Choice of flat window or lensed package * 90 or 18 (nominal) acceptance angle option * Wide operating temperature range (- 55C to +125C) * External base connection for added control * High sensitivity * Mechanically and spectrally matched to SE3450/5450, SE3455/5455 and SE3470/5470 infrared emitting diodes INFRA-57.TIF DESCRIPTION The SD3443/5443 series consists of an NPN silicon phototransistor mounted in a TO-46 metal can package. The SD3443 has flat window cans providing a wide acceptance angle, while the SD5443 has glass lensed cans providing a narrow acceptance angle. The TO-46 packages are ideally suited for operation in hostile environments. The base is connected on all SD3443 and SD5433 standard products. OUTLINE DIMENSIONS in inches (mm) Tolerance 3 plc decimals 0.005(0.12) 2 plc decimals 0.020(0.51) SD3443 .188 (4.77) DIA. .178 (4.52) .219 (5.56) DIA. .208 (5.28) .500 (12.70) MIN. 1 2 .048(1.22) .160 (4.06) DIA. .137 (3.48) .015 (0.36) .153 (3.89) .140 (3.56) .028(.71) .018 (.460) 3 45 .046(1.17) .036(.91) .100(2.54)DIA NOM DIA. LEADS: 1. EMITTER(TAB) 2. BASE 3. COLLECTOR (CASE) DIM_015.ds4 SD5443 DIM_15b.ds4 108 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. SD3443/5443 Silicon Phototransistor ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL MIN TYP MAX UNITS TEST CONDITIONS ABSOLUTE MAXIMUM RATINGS (25C Free-Air Temperature unless otherwise noted) Collector-Emitter Voltage Emitter-Collector Voltage Power Dissipation Operating Temperature Range Storage Temperature Range Soldering Temperature (10 sec) 30 V 5V 150 mW [A] -55C to 125C -65C to 150C 260C SCHEMATIC Notes 1. Derate linearly from 25C free-air temperature at the rate of 1.43 mW/C. Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 109 SD3443/5443 Silicon Phototransistor SWITCHING TIME TEST CIRCUIT cir_03b.cdr SWITCHING WAVEFORM cir_004.cdr Fig. 1 Responsivity vs Angular Displacement (SD3443) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -60 -45 -30 -15 0 Fig. 2 gra_052.ds4 Responsivity vs Angular Displacement (SD5443) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 -40 -30 -20 -10 0 gra_053.ds4 Relative response +15 +30 +45 +60 Relative response +10 +20 +30 +40 Angular displacement - degrees Fig. 3 Dark Current vs Temperature Fig. 4 gra_303.cdr Angular displacement - degrees Non-Saturated Switching Time vs Load Resistance 100 gra_041.ds4 Response time - s 10 1 10 100 1000 10000 Load resistance - Ohms 110 h Honeywell reserves the right to make changes in order to improve design and supply the best products possible. SD3443/5443 Silicon Phototransistor Fig. 5 Spectral Responsivity gra_036.ds4 Fig. 6 Coupling Characteristics SE3450 with SD3443 1.0 gra_021.ds4 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 400 600 800 1000 1200 Relative response Normalized light current 0.8 0.6 0.4 0.2 0.0 0.0 0.2 0.4 0.6 0.8 1.0 Wavelength - nm Fig. 7 Coupling Characteristics SE5450 with SD5443 1.0 Window-to-window distance - inches Fig. 8 gra_024.ds4 Collector Current vs Ambient Temperature gra_302.cdr Normalized light current 0.8 0.6 0.4 0.2 0.0 0 1 2 3 4 5 6 7 8 9 Lens-to-lens distance - inches All Performance Curves Show Typical Values Honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 111 |
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