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SFH757V Datasheet Preview

SFH757V Datasheet

Transmitter

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SFH757 and SFH757V
Transmitter for Polymer Optical Fiber Applications
Data Sheet
Description
The SFH757 is a low-cost transmitter diode for optical
data transmission with polymer optical fiber. Its InGaAlP
LED chip provides enhanced resistance to humidity and
is designed to emit light at 650 nm. The robust SFH757
can be used for speeds up to 100 MBd and complements
the Avago SFH250 photodiode receiver and SFH551/1-1
integrated photo detector receiver.
The SFH series is optimized for easy coupling. No fiber
stripping is required; just insert the cut fiber into the
selected SFH component.
SFH757
The transparent plastic package has an aperture where a
2.2 mm fiber end can be inserted. This very easy coupling
method is extremely cost-effective.
SFH757V
The V-housing allows easy coupling of unconnectorized
2.2 mm polymer optical fiber with an axial locking screw.
Ordering Information
Features
High speed transmitter for up to 100MBd applications
(with peaking circuits)
2.2mm aperture holds standard 980/1000/2200µm
plastic fibers
No fiber stripping required
Molded microlens for efficient coupling
Plastic Direct Fiber Connector housing
(V-housing)
Locking screw attached to the connector
Interference-free transmission by the light-tight
housing
Transmitter and receiver can be positioned flexibly
No cross talk
Auto insertable and wave solderable
Supplied in tubes
Applications
Household electronics
Power electronics
Optical networks
Light barriers
SFH757
Type
SFH757
SFH757V
Ordering Code
SP000063871
SP000063858
SFH757V
Application Literature
AN #
5342
5341
Description
General information about the SFH series
with Selection Guide and recommendations
regarding System Planning and Mounting
Information about Basic and Special Circuits for
Transmitter and Receiver of the SFH series




Avago

SFH757V Datasheet Preview

SFH757V Datasheet

Transmitter

No Preview Available !

Package Dimensions 
SFH757
A
1.5
28
Dimensions in mm
SFH757V
24.0
13.5
surface not at
8.6
7.65
view from A
0.5
Cathode
4.6
5.3
SFH757
component
9.0
Cathode
0.5
7.62
spacing
0.6
Dimensions in mm
locking screw
2.54
5.08
Package V-housing Color
SFH V-series components are color coded just like other
Avago fiber optic components. The SFH757V transmitter
has a white colored housing; the SFH250V and SFH551/1-
1V receiver components have a black colored housing.
This prevents mistakes while making connections.
Product designation and date of manufacture are printed
on the housing.
Package V-housing axial locking screw
Components of the SFH V-series are equipped with an
axial locking screw for easy coupling to the unconnec-
torized 2.2 mm polymer optical fiber. The force that is
necessary to pull a jammed fiber out of the V-housing is
typically 50 N (with a torque of 15 cNm for tightening the
locking screw). This is an approximate value that is very
dependent on the fiber and torque combination.
Package V-housing mounting pins
SFH V-series components have two pins that are electri-
cally isolated from the inner circuit. The pins are only
designed for mounting the V-housing to the PCB surface.
This helps increase stability, which is needed during
fixing the fiber end by the axial locking screw.
The retention force between the soldered mounting pins
and the V-housing of the SFH component is about 20 N
(with a vertical exertion of force). This is an approximate
value.
Package V-housing mounting pins
Package V-housing axial locking screw
2


Part Number SFH757V
Description Transmitter
Maker Avago
PDF Download

SFH757V Datasheet PDF






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