Amphenol High Frequency Contacts
for Multi-pin Connectors
®
12-130-4
HIGH PERFORMANCE CONNECTORS
AND CONTACTS PROVIDE SECURE,
RELIABLE DATA TRANSMISSION
CONCENTRIC TWINAX
COAXIAL
TRIAX
TWINAX PC TAIL
DIFFERENTIAL
TWINAX
AX
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DAPTE
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Amphenol
Aerospace
Amphenol
CONCENTRIC
TWINAX
High Frequency Contacts
TABLE OF CONTENTS
•
Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . .
2
• Overview of Amphenol’s High Frequency Contacts . . . . . . . . .
3-7
•
Cable Systems.
. . . . . . . . . . . . . . . . . . . . . . . .
8
•
Cable Usage Guide
. . . . . . . . . . . . . . . . . . . . . .9-12
MIL-DTL-38999 Circular Connector Overview
13
Contacts for MIL-DTL-38999 Connectors:
•
Quadrax Contacts
. . . . . . . . . . . . . . . . . . . . .
14-16
• New “Split-Pair” Quadrax Contacts . . . . . . . . . . . . . . .
17-20
• Differential Twinax Contacts. . . . . . . . . . . . . . . . . .
21, 22
Compliant Quadrax and PC Tail Quadrax Contacts
. . . . . . . . .
23
• Quadrax Transition & Differential Twinax Transitional Adapters . . . .
24-26
• Differential Twinax Transition Adapters . . . . . . . . . . . . . .
27
• Micro D-Twinax Transition Adapters . . . . . . . . . . . . . .
28-30
•
Insert Arrangements for MIL-DTL-38999, Series III
. . . . . . . .
31, 32
• How to Order 38999 Series III with Quadrax 100 ohm Contacts . . . .
33
•
Coaxial Contacts
. . . . . . . . . . . . . . . . . . . . . .
34-37
•
Matched Impedance Coaxial Contacts
. . . . . . . . . . . . . .
38
•
Typical Contact Installation Instructions for Coax Contacts
. . . . . .
39
•
High Frequency Contacts (DC to 40 GHz)
. . . . . . . . . . . . .
40
• Twinax Contacts . . . . . . . . . . . . . . . . . . . . . .
41-43
•
Triax Contacts
. . . . . . . . . . . . . . . . . . . . . . . .
44
• Coax, Twinax & Triax PC Tail Contacts . . . . . . . . . . . . .
45-47
• Insert Patterns for MIL-DTL-38999 Series III Incorporating Coax, Twinax
and Triax Contacts
. . . . . . . . . . . . . . . . . . . . .
48-50
Standard MIL-DTL-5015 & Heavy Duty MIL-DTL-22992 Circular
Connector Overview
51
Contacts for Standard MIL-DTL-5015 & Heavy Duty
MIL-DTL-22992 Connectors:
•
Coaxial Contacts
. . . . . . . . . . . . . . . . . . . . . .
52, 53
•
Insert Patterns for Standard MIL-DTL-5015 and Heavy Duty
MIL-DTL-22992 Incorporating Coax Contacts
. . . . . . . . . . .
54
•
Rectangular Rack & Panel Connectors that incorporate High Speed
. .
55, 56
•
Additional Contact Styles from Amphenol
. . . . . . . . . . . . .
57
•
Guide for Selecting High Frequency Contacts and Cables
. . . . . . .
58
COAXIAL
“Split-Pair”
Quadrax Contact
& Cable
TWINAX PC TAIL
TRIAX
DIFFERENTIAL
TWINAX
QUADRAX
High Frequency Contacts Typical Markets:
•
•
•
•
Military & Commercial Aviation
Military Vehicles
Missiles & Ordnance
C4ISR
Amphenol
Aerospace
2
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Amphenol
®
High Frequency Contacts
Provide High Speed Transmission and
Operate in High Frequency Conditions
When you need superior electrical performance plus shielding to eliminate
interference from outside electrical sources in a connector, Amphenol has the
most reliable contact solutions.
Amphenol offers a very wide range of contacts that provide high speed transmission and
operate in high frequency conditions. You can be assured of interconnection compatibility
when you come to Amphenol for your contact needs as well as your connector needs.
Amphenol’s expertise in interconnection solutions assures that your contacts will mate
properly and will perform to the application specifications of your particular requirements.
MIL-DTL-38999 CONNECTORS - The high performance series most ideal for integrating
high speed and high frequency contacts. MIL-DTL-38999, Series I, II and III are by far the
choice of connector for today’s avionics needs - these subminiature family connectors are
ideally suited for the incorporation of shielded contacts.
This catalog section is primarily devoted to the high speed and high frequency contact
options for use in MIL-DTL-38999 Connectors, which include:
Coaxial
Pin and socket
contacts
designed for
RF/microwave
and shielded
wire applica-
tions. Sizes 4,
8, 12 & 16
Amphenol
Aerospace
Concentric
Twinax
Pin and socket
contacts designed for
protection from
magnetic and electro-
static interference
including nuclear
electromagnetic
pulse. Sizes 8 & 12
Triax
Pin and socket
contacts
designed for
shielded wire
applications
with 3
conductors.
Sizes 8, 10 & 12
Quadrax
Size 8 pin and socket
contacts. An outer
contact with 4
strategically spaced
inner contacts
forming two 100 or
150 Ohm matched
impedance
differential pairs.
Differential
Twinax
Size 8 pin and socket
contacts. An outer
contact with 2 inner
contacts spaced to
form one 100 or 150
Ohm matched
impedance
differential pair.
High
Frequency
Size 8 Coaxial
contacts that provide
high frequencies (DC
to 40 GHz). Unique
“Float Mount”
technology maintains
tight mechanical
tolerances.
Transition
Adapters
Matched impedance
quadrax and twinax
transition adapters
provide a method of
launching from the
high speed
connectors to PCB
boards.
Other series of connectors from Amphenol Aerospace, in addition to
38999 connectors, can incorporate shielded contacts. These include the following
(and are also covered in this catalog section):
• Amphenol
®
Heavy Duty Circular Connectors, MIL-DTL-22992 -
with coax contacts.
•
Amphenol
®
Printed Circuit Board Connectors - Rectangular connectors with
standard low mating force brush contacts can have hybrid arrangements with
coax contacts.
• LRM Interconnects - Rectangular module and backplane connectors with standard
low mating force brush contacts can have hybrid arrangements with coax contacts.
• Amphenol
®
ARINC 600 and R27 Rack & Panel Connectors are available with
quadrax, coax, twinax and differential twinax contacts.
The Cable Usage Guide is a key reference to help guide you in selecting the contacts
best suited to your needs. Since most shielded wire applications start with a fixed
requirement for cable types, the guide refers you to the Amphenol connector family
utilizing contacts which are compatible with the cable characteristics.
For more information on other Amphenol connectors with shielded contacts:
See High Frequency
Contact Designer’s
Guide at end
of this
catalog.
• Amphenol
®
Circular Connectors, MIL-DTL-26482, Series 1 are
available with coaxial contacts, size 8 and 12 for crimp and solder type. See catalog
12-070 on-line at www.amphenol-industrial.com, or consult Amphenol
Industrial Operations.
• Amphenol
®
MS/Standard, MIL-DTL-5015 Circular Connectors are available
with size 4, 8 and 12 coax contacts. Consult Amphenol Industrial Operations
for more information or
on-line at www.amphenol-industrial.com.
For more information on connectors with fiber optics see the Fiber Optic section of this
catalog or consult Amphenol Aerospace, Sidney, NY.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
3
Amphenol
Aerospace
High Speed Quadrax and
Differential Twinax Contacts
Differential Twinax and Quadrax contacts provide
high data transfer rates, low power consumption,
and excellent EMI capability. They offer controlled
impedance of 100 or 150 Ohm and are ideal for
use in harsh environments.
Amphenol provides the latest technology in high speed contacts - differential
twinax and quadrax contacts, size 8, for use in MIL-DTL-38999 Special* Circular
Connectors.
DIFFERENTIAL
TWINAX CONTACTS
High speed Differential Twinax contacts
consist of an outer contact with two inner
contacts spaced to form one 100 or 150
Ohm controlled impedance differential pair.
See pages 385 and 386 for performance
data and ordering of Differential Twinax
contacts, and consult Amphenol
Aerospace for more information.
Differential Twinax Contact
D38999 Series III
Ground Plane Connec-
tors with Quadrax
PCB Socket contacts
QUADRAX CONTACTS
•
High speed Quadrax contacts consist of
an outer contact with four inner contacts
spaced to form two 100 or 150 Ohm
controlled impedance differential pair.
• Both contacts, when used in Amphenol
MIL-DTL-38999 Series III and ARINC
type connectors, provide an excellent
alternative for harsh environment
applications such as:
•
Ethernet 100 Base-T-100 Ohm
•
Gigabit Ethernet 1000 Base-T-100 Ohm
•
Fibre Channel-150 Ohm
•
IEEE1394B FireWire-110 Ohm
Quadrax Contact
D38999 Series III
with Quadrax and
Power Contacts
Differential Twinax and Quadrax contact options include:
•
Crimp or printed circuit board termination
•
Established designs to accommodate a variety of cable types and gages
• Ground plane connectors can incorporate quadrax contacts. These
connections have conductive inserts that ground the outer conductor of
the contact body to the shell of the connector. They accommodate size 8
and 12 shielded contacts of which the size 8 can be quadrax type.
See pages 378-380 for performance data of Quadrax contacts. Consult
Amphenol Aerospace for further information needed.
D38999 Series III
Connectors (standoff
shell at right and
standard shell below)
with Quadrax PC Tail
Contacts
* Requires modified connector to accommodate keyed contacts.
4
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
Quadrax Contacts, Quadrax
Terminators, Transition Adapters
QUADRAX CONTACTS
FOR ARINC
CONNECTORS
Amphenol ARINC 600 Rack and Panel
connectors can incorporate high speed
quadrax contacts as well as coax,
twinax and differential twinax contacts.
R27 Rack and Panel connectors use the
same contacts as ARINC 600 connec-
tors. For more information about rack
and panel connectors contact Amphenol
Aerospace, Sidney, NY.
Amphenol
Aerospace
Board Level Connector
with Compliant
Quadrax Contacts
Quadrax Contact for
ARINC Connectors
BOARD LEVEL
CONNECTORS WITH
COMPLIANT QUADRAX
CONTACTS
Amphenol also provides compliant
quadrax socket contacts and Quadrax
pin contacts with PC tails for attaching to
printed circuit boards. See page 387 for
more information.
Compliant Quadrax Socket and
PCB Tail Quadrax Pin
FEED-THROUGH CON-
NECTOR WITH QUADRAX
CONTACTS
Amphenol’s feed-through connector is
double-ended for through bulkhead
applications. Consult Amphenol for
more information.
Straight Quadrax
Receptacle Contact
Quadrax Terminators
Amphenol offers a terminator assembly which
is a low reactance, resistive impedance match
to the characteristic impedance of a
transmission line. It is used to terminate the far
ends of a transmission line or an open tap so
that the energy from signals traveling down the
transmission line is absorbed within the resistor
and not reflected back down the transmission
line causing signal interference (noise).
Consult Amphenol for more information.
90° Quadrax Receptacle
and Plug Transition
Adapter
Quadrax Terminator
Transition Adapters
In conjunction with its Differential Twinax and Quadrax contacts, Amphenol
has developed a full line of Transition Adapters in order to facilitate launching of
controlled impedance signals to printed circuit boards. These use differential
twinax or quadrax 90° or straight receptacles and they can be either threaded or
cable to board direct. The threaded transition adapters provide an ideal method
of disconnecting the differential twinax or quadrax connector from the board.
See pages 388-390 for further description, performance data and ordering of
transition adapters.
90° Differential Twinax
Receptacle and Plug
Transition Adapter
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
5
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