
Fiber Optic Transmitter
OPF342 Family
OPF342 Family
Popular ST style receptacle
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Low Cost 850 nm LED technology
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Pre-tested with fiber to assure performance
Component pre-mounted and ready to use
Extended temperature range
55MHz operation
The OPF342 family fiber optic transmitters are high performance devices packaged for data communication links. This trans-
mitter is an 850nm GaAlAs LED and is specifically designed to efficiently launch optical power into fibers ranging in size from
50/125μm up to 200/300μm diameter fiber. Multiple power ranges with upper and lower limits are offered which allows the de-
signer to select a device best suited for the application.
This product’s combination of features including high speed and efficient coupled power makes it an ideal transmitter for inte-
gration into all types of data communications equipment.
The mechanical design of this packaged is intended for PC Board or panel mounting. It is shipped with a lock washer, jam nut,
2 #2-56 screws, and a protective dust cap.
Applications
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Industrial Ethernet equipment
Copper-to-fiber media conversion
Intra-system fiber optic links
Video surveillance systems
Typical Coupled Power
I F = 100mA, 25°C
Fiber Size
50/125 μm
62.5/125 μm
100/140 μm
200/300 μm
Type
Graded Index
Graded Index
Graded Index
Step Index
N.A.
0.20
0.28
0.29
0.41
OPF342A
25μW
45μW
125μW
475μW
OPF342B
18μW
34μW
95μW
340μW
OPF342C
12.5μW
22μW
62μW
235μW
OPF342D
7.5μW
14μW
38μW
140μW
ST is a registered trademark of AT&T.
All Optek OPF LED emitters are AEL Class I as
defined by IEC 60825-1 and are Risk Group 1
(Low-Risk) as defined by IEC 62471.
RoHS
ESD Class 2
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OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPTEK Technology Inc.— 1645 Wallace Drive, Carrollton, Texas 75006
Phone: (800) 341-4747 FAX: (972) 323– 2396 sensors@optekinc.com www.optekinc.com
Issue B 4/2013
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