Product Bulletin OPF340
August 1996
Fiber Optic GaAlAs High Speed LED
Types OPF340A, OPF340B, OPF340C, OPF340D
Features
•
High radiant output for fiber optic
•
High speed
•
Electrically isolated from case
Description
The OPF340 series LED provides fiber
optic users with high coupled power and
wide bandwidth in an easily mounted
package.
The LED’ are designed to interface with
s
multimode optical fibers from 50/125 to
200/300 microns.
applications
Absolute Maximum Ratings
(T
A
= 25
o
C unless otherwise noted)
Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 V
Continuous Forward Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
(4)
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55
o
C to +150
o
C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +125
o
C
Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering
iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
o
C
(1)
Notes:
(1) RMA flux is recommended. Duration can be extended to 10 sec. max when flow soldering.
(2) Graded index fiber, 50
µm
core, N.A. = 0.20.
(3) To convert radiant power output to dBm, use the following expression dBm = 10 log
(µW/1000).
(4) Derate linearly @ 1.0 mA/
o
C above 25
o
C.
(5) Prebias @ 5 mA current.
LED Burn-in
All LED's are subject to 100% burn-in testing. Test conditions are 96 hours at 100 mA
continuous current in 25
o
C ambient.
TYPICAL COUPLED POWER into OPTICAL FIBER
Typical Coupled Power
o
I
F
= 100mA @ 25 C
N.A.
OPF340D OPF340C
0.20
0.28
0.29
0.41
7.5
µW
14
µW
38
µW
140
µW
12.5
µW
22
µW
62
µW
235
µW
Fiber
50/125
µm
62.5/125
µm
100/140
µm
Refractive
Index
Graded
Graded
Graded
OPF340B
18
µW
34 mW
95
µW
340
µW
OPF340A
25
µW
45
µW
125
µW
475
µW
Step
200/300
µm*
*PCS - Plastic Clad Silica
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006
8-38
(972) 323-2200
Fax (972) 323-2396
OPTEK [ OPTEK TECHNOLOGIES ]
