Amphenol® Bristle Brush Contact:
Multiple Strands of High Tensile Strength
Wires Bundled Together, Providing Superior
Electrical Connection with Low Mating Force
Amphenol’s Broad Family
of Low Mating Force
Interconnect Products
with Brush Contacts
The Bristle Brush contact has been
proven in military avionics pack-
ages and meets the requirements
of MIL-DTL-55302. It provides high
density in tighter spacing, low mat-
ing/unmating forces, proven durabil-
ity and long contact life. Applications
for Amphenol® Connectors with
Brush contacts include:
• Medical equipment
• IC chip testers
• Telecommunications
• Military and Commercial Aviation
• Military Ground Vehicles
• GPS systems
Other Similar Rectangular
Connectors from Amphenol
For more information, see additional Amphenol
Rectangular Products at the end of this catalog.
Design Flexibility -
Combination of Brush
Contacts and Fiber
Optic Termini
Combination of Brush
Contacts, Coax and
Power Contacts
Power Strip Connector
Series with cavities for
size 16 or 12 power
contacts (or size 16 or
12 coax contacts).
Hybrid Custom
Connector with Brush
Contacts and
Power Contacts
Docking Connectors -
The Brush Contact
offers high performance
where frequent docking
to charge and transfer
data is a necessity.
High Density
HDB3 and HSB3 Series
LRM (Line Replaceable Module)
Interconnects
Ruggedized
Brush Rack & Panel
Connectors
Ruggedized
VME64x Interconnects
High Speed LRM
Gigastak &
Digastak Inserts
Amphenol® Low Mating Force
Rectangular Connectors
12-035-12
www.amphenol-aerospace.com
Visit our website and see the very broad range of cylindrical and
rectangular interconnection products from Amphenol Aerospace.
Amphenol Corporation
Amphenol Aerospace Operations
40-60 Delaware Avenue, Sidney, New York 13838-1395
Phone: 800-678-0141 or 607-563-5011 Fax: 607-563-5157
www.amphenol-aerospace.com
Amphenol
Aerospace
MIL-DTL-55302
BRUSH CONTACT TECHNOLOGY
Amphenol® Bristle Brush Contact:
Multiple Strands of High Tensile Strength
Wires Bundled Together, Providing Superior
Electrical Connection with Low Mating Force
Amphenol’s Broad Family
of Low Mating Force
Interconnect Products
with Brush Contacts
The Bristle Brush contact has been
proven in military avionics pack-
ages and meets the requirements
of MIL-DTL-55302. It provides high
density in tighter spacing, low mat-
ing/unmating forces, proven durabil-
ity and long contact life. Applications
for Amphenol® Connectors with
Brush contacts include:
• Medical equipment
• IC chip testers
• Telecommunications
• Military and Commercial Aviation
• Military Ground Vehicles
• GPS systems
Other Similar Rectangular
Connectors from Amphenol
For more information, see additional Amphenol
Rectangular Products at the end of this catalog.
Design Flexibility -
Combination of Brush
Contacts and Fiber
Optic Termini
Combination of Brush
Contacts, Coax and
Power Contacts
Power Strip Connector
Series with cavities for
size 16 or 12 power
contacts (or size 16 or
12 coax contacts).
Hybrid Custom
Connector with Brush
Contacts and
Power Contacts
Docking Connectors -
The Brush Contact
offers high performance
where frequent docking
to charge and transfer
data is a necessity.
High Density
HDB3 and HSB3 Series
LRM (Line Replaceable Module)
Interconnects
Ruggedized
Brush Rack & Panel
Connectors
Ruggedized
VME64x Interconnects
High Speed LRM
Gigastak &
Digastak Inserts
Amphenol® Low Mating Force
Rectangular Connectors
12-035-12
www.amphenol-aerospace.com
Visit our website and see the very broad range of cylindrical and
rectangular interconnection products from Amphenol Aerospace.
Amphenol Corporation
Amphenol Aerospace Operations
40-60 Delaware Avenue, Sidney, New York 13838-1395
Phone: 800-678-0141 or 607-563-5011 Fax: 607-563-5157
www.amphenol-aerospace.com
Amphenol
Aerospace
MIL-DTL-55302
BRUSH CONTACT TECHNOLOGY
Brush Contact Innovation
• Multiplecontactinterfaces-
Strandsofhightensilewireare
bundledtogethertoform
brush-likecontacts.Byinter-
meshingtwomulti-strandwire
bundles,anelectricalconnection
ismade.
• Providesredundantcurrent
paths,14-70(pointsofcontact)
permatedcontactwithagas
tightjunction
• Verysmooth(lowfriction)
interface
ConventionalPin/Socket
• Machinedsurfacenishon
bothparts
• Higherfrictionandwear
• Limitednumberofcontactsites
Amphenol’s High Technology
Machining and Computer Driven
Centers for Connector and
Contact Production
Brush vs. Conventional Contacts
AmphenolAerospace,locatedin
upstateNewYorkUSA,has
diversemanufacturingcapability
includingstateoftheartCNC
machining,die-casting,molding,
impactandextruding,screw
machiningandplating.
Alsowithinthisfacilityarecom-
pletedesignengineeringand
environmentaltestfacilities.
Hightechnologyproductioncenters
attheAmphenolhomefacilityand
itssatellitefacilitiescreatevolume
runsthatarecosteffectiveand
meeton-timedeliverydemands.
AmphenoloperatesaQualitySys-
temthatisthird-partycertiedto
ISO-9001:2008andAS9100.
FormoreinformationonAmphenol
AerospacecapabilitiesinRectan-
gularproducts,oranyotherofthe
widerangeofconnectorproducts,
pleasecontactus:
AmphenolAerospaceOperations
40-60DelawareAvenue
Sidney,NY13838-1395
Phone:800-678-0141or
607-563-5011
www.amphenol-aerospace.com
Brush Contacts
Conventional Pin and Socket
Crimp Contacts
Bristle Brush Contacts
•Highdensityintighterspacing-amainconcernforintegratedelectronics.
•Asuperiorchoiceforboardlevelinterconnects.
Amphenol® B3
Bristle® Brush® Contact
Advantages:
Low Mating &
Unmating Forces
•Smooth,lowfriction
interfaces
• 70%to90%reductionin
mating/unmatingforces
fromconventional
pin-socketcontacts
• 1.5oz.maximumforcesper
contactpair(oneounce
typical)
• Easymating/unmating
makeshighcircuitcounts
practical(25lbs.typicalfor
400contacts)
• Mechanicalmatingaidsnot
required
• Noneedforexternalboard
supportstructuresforcon-
nectorsupto7incheslong.
Acentersupportisrecom-
mendedforMotherBoard
Connectorsover7inches.
Proven Durability and
Long Contact Life
•100,000matingcycles,
evenwhenhotswapped
• Documentedintermittency
freeperformance–
no10nanoseconddiscon-
tinuitiesduring50mcycles
of0.010displacement
• Overallcosteffectiveness
(reducedlifecyclecosts)
Multiple Points of Contact
Provide Superior
Electrical Capability
•14-70pointsofcontactper
matedcontact
• Stable,lowresistance–20
milliohmsmax.
• Redundantcurrentpaths
resultsinlowertotalresis-
tance
• Provenelectricalandgas
tightcontactsites
High Technology Machine Center
Brush Contact Machining
Table of Contents
LowMatingForceRectangularConnectorswithBrushContacts
Features,Peformance,Materials . . . . . . . . . . . . . . 1
SelectingtheCorrectMatedConnection,
FourBodyStyles ..................... 2
HowtoOrder
MilitaryandCommercial. . . . . . . . . . . . . . . . . 3-5
ConnectorRowandCavityIdentication,
ContactArrangements2Row . . . . . . . . . . . . . . . 6
ContactArrangements3and4Row . . . . . . . . . . . . . 7
MotherBoardConnector. . . . . . . . . . . . . . . . . 8-11
DaughterBoardConnector. . . . . . . . . . . . . . . 12-15
Input/OutputConnector . . . . . . . . . . . . . . . . 16-19
PCConnector. . . . . . . . . . . . . . . . . . . . 20-23
Accessories,PolarizationKeys . . . . . . . . . . . . . . . 24
Accessories,TestProbeKit . . . . . . . . . . . . . . . . 25
ConnectorInstallation/UserApplicationInformation. . . . . 26-29
SmallerSizedBrushConnectors-DesignFlexibility . . . . . 30,31
HybridCongurationswithContactOptions. . . . . . . . . . 32
HybridDesigns,SmallColor-CodedBrushConnectors. . . . . . 33
OtherBrushContactRectangularConnectors:
DockingConnectors . . . . . . . . . . . . . . . . . . . 34
HDB3HighDensityBrushConnectors............. 35
HSB3HighDensityBrushConnectors............. 36
RuggedizedRackandPanelConnectors. . . . . . . . . . . 37
LRM(LineReplaceableModule)Connectors. . . . . . . . . . 38
LRMHybridsandHighSpeedLRMGigastak&Digastak. . . . . 39
OtherRectangularConnectors:
TotalPackagingwithAmphenolPrintedCircuitBoards,
RectangularandCylindricalConnectors. . . . . . . . . . . . 40
AmphenolSalesOfceandDistributorListing . . . . . InsideBack
Notice:Specicationsaresubjecttochangewithoutnotice.ContactyournearestAmphenolCorporationSalesOfceforthelatestspecications.Allstate-
ments,informationanddatagivenhereinarebelievedtobeaccurateandreliablebutarepresentedwithoutguarantee,warranty,orresponsibilityofanykind
expressedorimplied.Statementsorsuggestionsconcerningpossibleuseofourproductsaremadewithoutrepresentationorwarrantythatanysuchuseis
freeofpatentinfringementandarenotrecommendationstoinfringeanypatent.Theusershouldnotassumethatallsafetymeasuresareindicatedorthat
