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Fiber Optics
Plastic Fiber Optic Transmitter Diode Plastic Connector Housing
SFH757 SFH757V
Features * High speed transmitter for about 50 Mbit/s up to 100 Mbit/s (with peaking circuit) * 2.2 mm aperture holds standard 1000 micron plastic fiber * No fiber stripping required * Molded microlens for efficient coupling Plastic Connector Housing * Mounting screw attached to the connector * Interference-free transmission from light-tight housing * Transmitter and receiver can be flexibly positioned * No cross talk * Auto insertable and wave solderable * Supplied in tubes Applications * * * * Household electronics Power electronics Optical networks Light barriers
Type SFH757 SFH757V
Data Sheet 1
Ordering Code Q62702-P3526 Q62702-P3527
2004-03-19
SFH757 SFH757V
Technical Data Technical Data Absolute Maximum Ratings Parameter Operating Temperature Range Storage Temperature Range Junction Temperature Soldering Temperature (2 mm from case bottom, t 5 s) Reverse Voltage Forward Current Surge Current (t 10 s, D = 0) Power Dissipation Thermal Resistance, Junction/Air Symbol Limit Values min. max. +80 +100 100 260 3 50 1 120 450 C C C C V mA A mW K/W -40 -40 Unit
TOP TSTG TJ TS VR IF IFSM Ptot RthJA
Data Sheet
2
2004-03-19
SFH757 SFH757V
Technical Data Characteristics (TA = 25C) Parameter Peak Wavelength Spectral Bandwidth Switching Times (RL = 50 , IF = 50 mA) 10% ...90% 90% ... 10% Capacitance (f = 1 MHz, VR = 0 V) Forward Voltage (IF = 50 mA) Output Power Coupled into Plastic Fiber (IF = 10 mA) 1) Temperature Coefficient IN Temperature Coefficient VF Temperature Coefficient Peak
1)
Symbol Peak
Value 650 25 15 (< 17) 18 (< 20) 30 150 ( 100) -0.4 -3 0.16
Unit nm nm ns pF W %/K mV/K nm/K
tR tF CO VF
IN
2.1 ( 2.8) V
TC TCV TC
The output power coupled into plastic fiber is measured with a large area detector at the end of a short length of fiber (about 30 cm). This value must not be used for calculating the power budget for a fiber optic system with a long fiber because the numerical aperture of plastic fibers decreases on the first meters. Therefore the fiber seems to have a higher attenuation over the first few meters compared with the specified value.
Data Sheet
3
2004-03-19
SFH757 SFH757V
Technical Data Relative Spectral Emission Irel = f() Forward Current IF = f(VF) single pulse, duration = 20 s
Relative Output Power Ie/Ie(50 mA) = f(IF) single pulse, duration = 20 s
Maximum Permissible Forward Current IF = f(TA), RthJA = 450 K/W
Data Sheet
4
2004-03-19
SFH757 SFH757V
Technical Data Permissible Pulse Handling Capability IF = f(tP), duty cycle D = parameter, TA = 25C
Data Sheet
5
2004-03-19
SFH757 SFH757V
Package Outlines Package Outlines
SFH757
Dimensions in mm
File: 4211
Figure 1
SFH757V
Dimensions in mm
File: 4212
Figure 2
Data Sheet
6
2004-03-19
SFH757 SFH757V Revision History: Previous Version: 2004-03-19 2002-03-14 DS1
Edition 2004-03-19 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 Munchen, Germany
(c) Infineon Technologies AG 2004.
All Rights Reserved. Attention please! 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. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness 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 sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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