Electronic Components
Cannon 75 Ohm
Connectors
Cannon 75 Ohm Connectors
ITT Electronic Components is a division of the multi-
national ITT Corporation a $7.5 billion dollar global
enterprise. Our extensive portfolio offers the most reli-
able and cost effective range of interconnect solutions.
These innovations have enabled ITT to provide products
and technologies to such markets as:
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Aerospace
Broadcast
Computers Systems
Defense Electronics
Geophysical
Industrial Automation
Medical Electronics
Network Systems
Telecom Switching
Underwater Systems
Wireless
connector families. In addition we have included a tool-
ing section to simplify and ease the assembly our our
connectors both in the factory and for field installa-
tions. ITT is an approved manufacturer to ISO 9001
and ISO 14001 with locations worldwide to serve our
customers.
The Custom Difference
ITT’s world class
engineering teams will
work directly with our
customers to design
and develop cost
effective solutions for
their applications . In
many cases we may
modify one of our standard designs to ensure a highly
reliable solution where timing is critical. Yet, in those
cases where a complete custom interconnect solution
is required, ITT will work with our customer’s
Engineers to design an interconnect solution which will
be cost effective yet highly reliable.
In addition to custom connectors, ITT offers sophisti-
cated custom cable assembly capabilities for a wide
range of applications. Our in house expertise trans-
lates to our ability to integrate different technologies
within a custom cable harness.
Offering the broadest selections of standard and cus-
tom RF interconnects, ITT is the one stop source for
design, development, manufacturing, and testing of
sophisticated connectors.
High Performance 75 Ohm Connectors
This 75 ohm RF catalog incorporates the most com-
monly used connectors used in today's routing, switch-
ing and transmission equipment. These include the
popular Type 43 (SMZ), 1.0/2.3, QT-BNC, and 1.6/5.6
Quick Reference Selection Guide
QT BNC
Type 43 (SMZ)
1.0/2.3, Type 54
1.6/5.6
Frequency Range
Impedance
Operating Temperature
Mating Cycles
Mating Method / Coupling
Cable Termination
Cable Type
Body Material
Body Finish
Packaging: P/N ending
with last digit “A”
Page Number
0 to 2 GHz
75 ohm nominal
-40˚C - 85˚C
40˚C - 185˚C
500 min
Bayonet / Latch
QT* Quick Termination
Flexible
Phosphor Bronze
Nickel
see page 18
17
0 to 3 GHz
75 ohm nominal
-40˚C - 85˚C
40˚C - 185˚C
250 min
Snap-on with posilock latch
Crimp/Solder/
QT* Quick Termination
Flexible
Brass or Zamak
Nickel or Gold
25 pieces per tray
5
0 to 2 GHz
75 ohm nominal
-40˚C - 85˚C
40˚C - 185˚C
500 min
0 to 1 GHz
75 ohm nominal
-40˚C - 85˚C
40˚C - 185˚C
500 min
Snap-on with push-pull latch Snap-on with screwlock latch
Crimp/Solder
Flexible
Brass or Zamak
Nickel or Gold
25 pieces per tray
12
Crimp/Solder
Flexible
Brass
Nickel or Gold
25 pieces per tray
19
Dimensions shown in mm (inch)
Specifications and dimensions subject to change
www.ittcannon.com
2
Cannon 75 Ohm Connectors
Table of Contents
Type 43 (SMZ)
1.0/2.3
Balun
QT-BNC
1.6/5.6
Tooling
page 5
page 12
page 16
page 17
page 19
page 22
New electrical SFP transceiver for STM-1e applications from ITT
Designed to comply with the Small Form Factor Pluggable (SFP) industry-standard
multi source agreement (MSA), the new Cannon SFP-155E™ electrical transceiver
from ITT delivers full duplex STM-1 electrical (155 Mbit/s) SDH transport over
coaxial cables and are fully interchangeable with STM-1 optical SFP's. Any system
that already supports STM-1 optical can now support STM-1 electrical by using the
SFP-155E. More importantly a single circuit card can now support both optical and
electrical STM-1 interfaces, reducing system capital and operating costs. The elec-
trical interface is fully compliant with telecom ITU-T G.703 (ES1) recommendations
and can be connected using standard DIN 1.0/2.3 75 ohm cable connectors.The
SFP-155E enables systems designers to reduce time-to-market at a lower cost,
and with full flexibility. Serial identification (EEPROM) in accordance with the SFP
MSA is available. Typical applications include Next Generation SDH Add/Drop mul-
tiplexers, Optical Edge Devices, MSPP and Switching Systems.
Contact Customer Service for more information on this product.
Connector/Cable Selection Guide
Given here are details of all popular
cables with which the connectors in
this publication may be used.
Cable numbers suitable for use with
all cable mounting connectors are
given opposite the connector part
numbers in the series chose.
If the connector style is not shown
against your selected cable, please
contact Customer Service.
Cable
Impedance
Number
(ohms)
BT2002*
75
BT2003*
75
BT3002
*
75
M17/29-RG59
75
RD179*
75
RG59/U
75
RG179/U
75
*
TZC75024
75
*
1694A
75
*
734
75
735A
*
75
0.25/1.3* (mini coax) 75
RA7000*
75
RA8000*
75
1855A *
75
Diameter
of Jacket
5,30 (.209)
6,90 (.272)
3,55 (.140)
6,27 (.247)
3,07 (.121)
6,25 (.246)
2,67 (.105)
3,55 (.140)
6,99 (.275)
6,10 (.240)
3,51 (.138)
2,10 (.083)
4,50 (.177)
2,75 (.108)
4,04 (.159)
Diameter of Outer
Conductor (Max)
3,81 (.150)
5,06 (.199)
2,85 (.112)
4,85 (.191)
2,69 (.106)
4,85 (.191)
2,13 (.084)
3,01 (.119)
5,44 (.214)
5,21 (.205)
2,79 (.110)
1,65 (.065)
3,40 (.134)
1,95(.077)
3,51 (.138)
Diameter of
Diameter of Center
Dielectric (Max) Conductor (Nom)
2,45 (.096)
0,60 (.024)
3,70 (.146)
0,61 (.024)
1,95 (.077)
0,31 (.012)
3,81 (.150)
0,56 (.022)
1,68 (.066)
0,30 (.012)
3,81 (.150)
0,58 (.023)
1,68 (.066)
0,30 (.012)
1,95 (.077)
0,31 (.012)
4,57 (.180)
1,02 (.040)
3,89 (.153)
0,79 (.031)
2,01 (.079)
0,41 (.016)
1,35 (.053)
0,25 (.010)
2,80 (.110)
0,60 (.024)
1,45(.057)
0,31 (.012)
2,59 (.102)
0,58 (.023)
* Double shielded
Dimensions shown in mm (inch)
Specifications and dimensions subject to change
www.ittcannon.com
3
Cannon 75 Ohm Connectors
QT Quick Termination
The QT (Quick Termination) 75 ohm connector series was designed to meet the
rigorous specifications of the telephony, broadcast and data communications
industry. With only two components to handle, our QT connectors are easier to
terminate than the current industry standard products while providing reliable elec-
trical and mechanical performance.
PATENT
PROTECTED
QT connectors were first installed on 140Mbit lines in an international telecommunications exchange over 15
years ago, and since that day ITT have supplied over 30 million QT connectors into many of the world’s leading
networks.
QT
=
‘Quick Termination’ of coaxial connectors
QT
=
3:1 reduction in assembly time
QT
=
No crimping or soldering of the center contact
QT
=
No special tooling required
QT
=
Simplified assembly
QT
=
Fewer wasted parts
QT
=
Reduced tooling maintenance and calibration
QT
=
Pre-assembled center contact
QT
=
A reliable, high pressure, gas tight joint
Several innovative concepts and technologies are used in our QT designs. The primary technological feature is
a captivated center pin that provides a high pressure gas tight joint of exceptional mechanical and electrical
integrity on solid center conductors; termination is achieved without crimping or soldering to the cable’s center
conductor. The cable center conductor is terminated to the inner contact within the connector assembly by acti-
vating the QT (patented) mechanism using the simple plastic tool provided. Connectors referenced in this catalog
with "QT" have this technology.
The assembly is completed in 4 simple steps:
STEP 1:
Strip cable
Assemble connector
onto cable
Press insulator into the
body using the plastic
tool provided
Crimp the ferrule using
a standard crimp tool
1
STEP 2:
STEP 3:
2
4
STEP 4:
3
For high volume terminations, some styles can also be assembled using dedicated hand or pneumatic
bench tooling.
QT connectors provide large productivity savings, high quality and premium performances...
all at a competitive price.
Dimensions shown in mm (inch)
Specifications and dimensions subject to change
www.ittcannon.com
4
Cannon 75 Ohm Connectors
Type 43 (SMZ)
ITT’s wide range of Cannon Type 43 / SMZ connectors are exten-
sively used in 75 ohm communication systems and have become
the recognized standard in telecommunications in many parts of the
world.
Designed around the requirements of BS9210 F0022 and draft
specifications CECC 122 300, these connectors are designed for
field installation and feature the ‘Posi-Lock’ latch to prevent acci-
dental disconnection.
A special feature of the Cannon Type 43 / SMZ range is the QT
(Quick Termination) technology for cable connectors. Designed to
reduce assembly time and loose parts, the QT termination system
incorporates a connector body with a pre-assembled center contact,
termination is simple with no loose contact to drop or lose. QT pro-
vides a reliable gas tight connection between the inner conductor of
the cable and connector contact that meets the most stringent
industry standards. For PCB connectors a snap fit feature is incor-
porated into certain styles to hold the connector in position during
soldering.
Choice of Two Latching Styles – Standard or HDC (High Density)
ITT’s Cannon Type 43 / SMZ connectors are available in 2 package sizes, Standard and HDC (High Density).
Whilst both configurations have the same interface dimensions and are intermateable, the outer body size of
HDC is reduced to facilitate a closer packing density on the equipment or distribution frame.
Applications
• Switching Equipment • DSX Cross Connects • Base Stations • Routers • Wireless • Telecom • LAN Equipment
Features and Benefits
High performance gold plated
contact areas ensure reliable long
term operation
Posi-Lock locking mechanisms
ensure secure coupling and ease
of engagement and separation
Designed for the most commonly
used telecom cables in North
America and Europe
Designed for robust and reliable
field installation
Available for BT standard and HDC
distribution frames
Three-part construction with crimp
inner contact and outer ferrule (no
soldering required)
PCB Plugs come with offset legs
for board locking
QT (Quick termination) technology
available for most cable types
Product offering includes U-links
and between series adaptors
True 75 ohm characteristic imped-
ance up to 3 GHz (for selected
styles)
Most designs require no special
tooling
"Teplock" mounting reduces the
time needed for fitting to DDF's
RoHS compliant part numbers
Dimensions shown in mm (inch)
Specifications and dimensions subject to change
www.ittcannon.com
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