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Low Cost, Miniature Fiber
Optic Components with ST®,
SMA, SC and FC Ports
Technical Data
HFBR-0400 Series
Features
• Meets IEEE 802.3 Ethernet
and 802.5 Token Ring
Standards
• Low Cost Transmitters and
Receivers
• Choice of ST®, SMA, SC or
FC Ports
• 820 nm Wavelength
Technology
• Signal Rates up to 175
Megabaud
• Link Distances up to 4 km
• Specified with 50/125 µm,
62.5/125 µm, 100/140 µm,
and 200 µm HCS® Fiber
• Repeatable ST Connections
within 0.2 dB Typical
• Unique Optical Port Design
for Efficient Coupling
• Auto-Insertable and Wave
Solderable
• No Board Mounting Hard-
ware Required
• Wide Operating
Temperature Range
-40°C to 85°C
• AlGaAs Emitters 100%
Burn-In Ensures High
Reliability
• Conductive Port Option with
the SMA and ST Threaded
Port Styles
Applications
• Local Area Networks
• Computer to Peripheral
Links
• Computer Monitor Links
• Digital Cross Connect Links
• Central Office Switch/PBX
Links
• Video Links
• Modems and Multiplexers
• Suitable for Tempest
Systems
• Industrial Control Links
Description
The HFBR-0400 Series of compo-
nents is designed to provide cost
effective, high performance fiber
optic communication links for
information systems and
industrial applications with link
distances of up to 4 kilometers.
With the HFBR-24X6, the 125
MHz analog receiver, data rates
of up to 175 megabaud are
attainable.
Transmitters and receivers are
directly compatible with popular
“industry-standard” connectors:
ST, SMA, SC and FC. They are
completely specified with
multiple fiber sizes; including
50/125 µm, 62.5/125 µm, 100/
140 µm, and 200 µm.
Complete evaluation kits are
available for ST and SMA product
offerings; including transmitter,
receiver, connectored cable, and
technical literature. In addition,
ST and SMA connectored cables
are available for evaluation.
ST® is a registered trademark of AT&T.
HCS® is a registered trademark of the SpecTran Corporation.
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5965-1655E (1/97)

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HFBR-0400 Series Part Number Guide
HFBR X4XXaa
1 = Transmitter
2 = Receiver
4 = 820 nm Transmitter and
Receiver Products
0 = SMA, Housed
1 = ST, Housed
2 = FC, Housed
E = SC, Housed
3 = SMA Port, 90 deg. Bent Leads
4 = ST Port, 90 deg. Bent Leads
5 = SMA Port, Straight Leads
6 = ST Port, Straight Leads
Option T (Threaded Port Option)
Option C (Conductive Port Receiver Option)
Option M (Metal Port Option)
Option K (Kinked Lead Option)
TA = Square pinout/straight lead
TB = Square pinout/bent leads
HA = Diamond pinout/straight leads
HB = Diamond pinout/bent leads
2 = Tx, Standard Power
4 = Tx, High Power
2 = Rx, 5 MBd, TTL Output
6 = Rx, 125 MHz, Analog Output
LINK SELECTION GUIDE
Data Rate (MBd)
5
5
20
Distance (m)
1500
2000
2700
32 2200
55 1400
125 700
155 600
175 500
Transmitter
HFBR-14X2
HFBR-14X4
HFBR-14X4
Receiver
HFBR-24X2
HFBR-24X2
HFBR-24X6
HFBR-14X4
HFBR-14X4
HFBR-14X4
HFBR-14X4
HFBR-14X4
HFBR-24X6
HFBR-24X6
HFBR-24X6
HFBR-24X6
HFBR-24X6
Fiber Size (µm)
200 HCS
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
Evaluation Kit
N/A
HFBR-04X0
HFBR-0414,
HFBR-0463
HFBR-0414
HFBR-0414
HFBR-0416
HFBR-0416
HFBR-0416
For additional information on specific links see the following individual link descriptions. Distances measured over temperature range
from 0 to 70°C.
Applications Support
Guide
This section gives the designer
information necessary to use the
HFBR-0400 series components to
make a functional fiber-optic
transceiver. HP offers a wide
selection of evaluation kits for
hands-on experience with fiber-
optic products as well as a wide
range of application notes com-
plete with circuit diagrams and
board layouts. Furthermore, HP’s
application support group is
always ready to assist with any
design consideration.
Application Literature
Title
HFBR-0400 Series
Reliability Data
Application Bulletin 73
Application Bulletin 78
Application Note 1038
Application Note 1065
Application Note 1073
Application Note 1086
Description
Transmitter & Receiver Reliability Data
Low Cost Fiber Optic Transmitter & Receiver Interface Circuits
Low Cost Fiber Optic Links for Digital Applications up to 155 MBd
Complete Fiber Solutions for IEEE 802.3 FOIRL, 10Base-FB and 10 Base-FL
Complete Solutions for IEEE 802.5J Fiber-Optic Token Ring
HFBR-0319 Test Fixture for 1X9 Fiber Optic Transceivers
Optical Fiber Interconnections in Telecommunication Products
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HFBR-0400 Series
Evaluation Kits
HFBR-0410 ST Evaluation Kit
Contains the following :
• One HFBR-1412 transmitter
• One HFBR-2412 five megabaud
TTL receiver
• Three meters of ST connec-
tored 62.5/125 (µm fiber optic
cable with low cost plastic
ferrules.
• Related literature
HFBR-0414 ST Evaluation Kit
Includes additional components
to interface to the transmitter and
receiver as well as the PCB to
reduce design time.
Contains the following:
• One HFBR-1414T transmitter
• One HFBR-2416T receiver
• Three meters of ST connec-
tored 62.5/125 µm fiber optic
cable
• Printed circuit board
• ML-4622 CP Data Quantizer
• 74ACTllOOON LED Driver
• LT1016CN8 Comparator
• 4.7 µH Inductor
• Related literature
HFBR-0400 SMA Evaluation
Kit
Contains the following :
• One HFBR-1402 transmitter
• One HFBR-2402 five megabaud
TTL receiver
• Two meters of SMA
connectored 1000 µm plastic
optical fiber
• Related literature
HFBR-0416 Evaluation Kit
Contains the following:
• One fully assembled 1x9
transceiver board for 155 MBd
evaluation including:
-HFBR-1414 transmitter
-HFBR-2416 receiver
-circuitry
• Related literature
HFBR-0463 Ethernet MAU
Evaluation Kit
Contains the following:
• One fully assembled Media
Attachment Unit (MAU) board
which includes:
-HFBR-1414 transmitter
-HFBR-2416 receiver
-HFBR-4663 IC
• Related literature
Note: Cable not included. Order
HFBR-BXS010 seperately (2
pieces)
Package and Handling
Information
Package Information
All HFBR-0400 Series
transmitters and receivers are
housed in a low-cost, dual-inline
package that is made of high
strength, heat resistant, chem-
ically resistant, and UL 94V-O
flame retardant ULTEM® (plastic
(UL File #E121562). The
transmitters are easily identified
by the light grey color connector
port. The receivers are easily
identified by the dark grey color
connector port. (Black color for
conductive port.) The package is
designed for auto-insertion and
wave soldering so it is ideal for
high volume production
applications.
Handling and Design
Information
Each part comes with a protective
port cap or plug covering the
optics. These caps/plugs will vary
by port style. When soldering, it
is advisable to leave the protec-
tive cap on the unit to keep the
optics clean. Good system
performance requires clean port
optics and cable ferrules to avoid
obstructing the optical path.
Clean compressed air often is
sufficient to remove particles of
dirt; methanol on a cotton swab
also works well.
Recommended Chemicals for
Cleaning/Degreasing
HFBR-0400 Products
Alcohols: methyl, isopropyl,
isobutyl. Aliphatics: hexane,
heptane, Other: soap solution,
naphtha.
Do not use partially halogenated
hydrocarbons such as 1,1.1
trichloroethane, ketones such as
MEK, acetone, chloroform, ethyl
acetate, methylene dichloride,
phenol, methylene chloride, or
N-methylpyrolldone. Also, HP
does not recommend the use of
cleaners that use halogenated
hydrocarbons because of their
potential environmental harm.
Ultem® is a registered Trademark of the GE corporation.
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