silicon phototransistor SD2440 description features miniature, hermetically sealed, pill style, metal can package 48? acceptance angle wide operating temperature range (-55?c?to?+125?c) ideal for direct mounting to printed circuit boards wide sensitivity ranges mechanically and spectrally matched to se2460 and se2470 infrared emitting diodes the SD2440 is an npn silicon phototransistor mounted in a hermetically sealed glass lensed metal can package. this package directly mounts in a double sided pc board. dim_013.cdr infra--1.tif outline dimensions in inches (mm) 3 plc decimals 0.005(0.12) tolerance 2 plc decimals 0.020(0.51) honeywell reserves the right to make changes in order to improve design and supply the best products possible. h 104
silicon phototransistor SD2440 electrical characteristics units test conditions min parameter symbol typ max absolute maximum ratings (25?c free-air temperature unless otherwise noted) collector-emitter voltage 30 v emitter-collector voltage 5 v power dissipation 125 mw [] operating temperature range -55?c to 125?c storage temperature range -65?c to 150?c soldering temperature (10 sec) 260?c notes 1. derate linearly from 25?c free-air temperature at the rate of 1.19 mw/?c. schematic
silicon phototransistor SD2440 switching time test circuit cir_015.cdr
silicon phototransistor SD2440 spectral responsivity gra_036.ds4 wavelength - nm r e l a t i v e r e s p o n s e 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 400 600 800 1000 1200 fig. 5 coupling characteristics with se2460 gra_015.ds4 lens-to-lens separation - inches n o r m a l i z e d l i g h t c u r r e n t 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 fig. 6 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 107
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