Product Bulletin OPF370
January 1998
Fiber Optic GaAlAs LED
Types OPF370A, OPF370B, OPF370C, OPF370D
Features
•
Electrically isolated plastic cap
package
•
High radiant output for fiber optic
applications
•
High speed
•
Designed to self align in the 0.228
inch diameter bore of standard fiber
optic receptacles. Press fit simplifies
component installation.
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 +115
o
C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +100
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.
Description
The OPF370 series LED provides fiber
optic users with high coupled power and
wide bandwidth in a low cost package.
The LED’ are designed to interface with
s
multimode optical fibers from 50/125 to
200/300 microns.
TYPICAL COUPLED POWER into OPTICAL FIBER
Fiber
50/125
µm
62.5/125
µm
100/140
µm
200/300
µm*
Refractive
Index
Graded
Graded
Graded
Step
Typical Coupled Power
o
I
F
= 100 mA @ 25 C
N.A.
OPF370D OPF370C
0.20
0.28
0.29
0.41
7.5
µW
27
µW
60
µW
320
µW
12.5
µW
35
µW
87
µW
463
µW
OPF370B
19
µW
51
µW
129
µW
606
µW
OPF370A
29
µW
89
µW
200
µW
750
µW
*PCS - Plastic Clad Silica
Optek Technology, Inc.
1215 W. Crosby Road
Carrollton, Texas 75006
8-50
(972) 323-2200
Fax (972) 323-2396
OPTEK [ OPTEK TECHNOLOGIES ]
