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OPF391

Fiber Optic GaAlAs High Speed LED in SMA Receptacle

Optek Technology 

Product Bulletin OPF391

August 1996

Fiber Optic GaAlAs High Speed LED in SMA Receptacle

Types OPF391A, OPF391B, OPF391C, OPF391D

Features

• Component pre-mounted and ready

to use

• Pre-tested with fiber to assure

performance

• Popular SMA style receptacle

• High Speed

• Electrically isolated from case

Description

The OPF391 series LED consists of a

low cost plastic cap LED, pre-mounted

and aligned in an SMA receptacle. This

configuration is designed for PC board

or panel mounting. Includes lock washer

and jam nut, two 2-56 screws, and a dust

cap.

Absolute Maximum Ratings (TA = 25o C unless otherwise noted)

Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 V

Continuous Forward Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA(4)

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55o C to +100o C

Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +85o C

Lead Soldering Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering

iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240o 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 25o 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 25o C ambient.

The LED’s are designed to interface with

mulitmode optical fibers from 50/125 to

200/300 microns.

TYPICAL COUPLED POWER into OPTICAL FIBER

Fiber

Refractive

Index

50/125 µm Graded

62.5/125 µm Graded

100/140 µm Graded

200/300 µm* Step

*PCS - Plastic Clad Silica

Typical Coupled Power

IF = 100 mA @ 25o C

N.A. OPF391D OPF391C OPF391B OPF391A

0.20

7.5 µW 12.5 µW 18 µW

25 µW

0.28

27 µW

35 µW

45 µW

75 µW

0.29

58 µW

85 µW 115 µW 170 µW

0.41

290 µW 450 µW 545 µW 650 µW

Optek Technology, Inc.

1215 W. Crosby Road

Carrollton, Texas 75006

8-58

(972) 323-2200

Fax (972) 323-239

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