sfh756 / SFH756V plastic fiber optic transmitter diode plastic connector housing data sheet features ? 2.2 mm aperture holds standard 1000 micron plastic fiber ? no fiber stripping required ? good linearity (forward current > 2 ma) ? molded microlens for efcient coupling plastic connector housing ? mounting screw attached to the connector ? interference free transmission from light-tight housing ? transmitter and receiver can be fexibly positioned ? no cross talk ? auto insertable and wave solderable ? supplied in tubes applications ? household electronics ? power electronics ? optical networks ? light barriers ordering information type ordering code sfh756 sp000063802 SFH756V sp000063814 description the sfh756 is a low-cost transmitter for simple optical data transmission with polymer optical fber. the 650nm led allows for speeds up to 10mbd. the transparent plastic package has an aperture where the the 2.2mm fber-end can be inserted and fxed with glue. this easy coupling method is extremely cost- efective. the v-housing allows easy coupling of unconnectorized 2.2mm plastic optical fber by means of an axial locking screw.
2 technical data absolute maximum ratings parameter symbol limit values unit min. max. operating temperature range t op C40 +85 c storage temperature range t stg C40 +100 c junction temperature t j 100 c soldering temperature(2?mm from case bottom, t 5 s) ts 260 c reverse voltage vr 3 v forward current i f 50 ma surge current (t 10 s, d = 0) i fsm 1 a power dissipation p tot 120 mw thermal resistance, junction/air r thja 450 k/w characteristics (t a = 25 c) parameter symbol value unit peak wavelength peak 660 nm spectral bandwidth 25 nm switching times (r g = 50 , i f(low) = 0.1ma, i f(high) = 50 ma) 10% to 90% 90% to 10% t r t f 0.1 0.1 s capacitance (f = 1 mhz, v r = 0 v) c o 30 pf forward voltage (i f = 50 ma) v f 2.1 ( 2.8) v output power coupled into plastic fiber (i f = 10 ma) [1] in 200 ( 100) w temperature coefcient in t c C0.4 %/k temperature coefcient v f t cv C3 mv/k temperature coefcient peak tc 0.16 nm/k notes: 1. the output power coupled into plastic fber is measured with a large area detector after a short fber (about 30 cm). this value must not used for calculating the power budget for a fber optic system with a long fber because the numerical aperture of plastics fbers is decreasing on the frst meters. therefore the fber seems to have compared with the specifed value a higher attenuation on the frst meters.
3 figure 1. relative spectral emission i rel = f() figure 2. forward current i f = f(v f ) single pulse, duration = 20 s figure 3. relative output power, i e /i e(50 ma) = f(i f ) single pulse, duration = 20 s figure 4. maximum permissible forward current, i f = f(t a ), r thja = 450 k/w
4 figure 5. permissible pulse handling capability, i f = f(t p ), duty cycle d = parameter, t a = 25 c
5 dimensions in mm dimensions in mm figure 6. sfh756 figure 7. SFH756V package outlines
disclaimer the information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. terms of delivery and rights to technical change reserved.we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. warnings due to technical requirements components may contain dangerous substances. for information on the types in - question please contact your nearest avago technologies ofce. avago technologies components may only be used in life-support devices or systems with the express written approval of avago technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to afect the safety or efectiveness of that device or system. life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sus - tainand/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons maybe endangered. information for further information on technology, delivery terms and conditions and prices please contact your nearest avago technologies ofce (www.avagotech.com). for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies, limited in the united states and other countries. data subject to change. copyright ? 2007 avago technologies limited. all rights reserved. av01-0715en - june 30, 2007
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