mDCX & mDHC
ConneCtorS
MDCX & MDHC
Smiths Connectors’ multipin MDCX and
MDHC coax connectors have a constant
50 ohm airline impedance interface and
are 30% smaller than our SCX coaxial
connectors. Each coax contact has a
maximum overall diameter of 0.125" fitted
into a low-profile metalized housing.
MDCX and MDHC coaxial contacts
are compact in size allowing multiple
high density connections in a Micro-D
style shell for applications where space
and weight savings are important. No
cumbersome spring mounts are required.
These connectors are also available with
locking post mechanisms or blind-mate
hardware attachment.
Insert arrangements are available in 2,
4, 6, 8 and 10 way coax assemblies as
well as mixed signal, power, coax and
high speed twinax contacts for hybrid
arrangements.
MDHC high frequency coaxial contacts
are a drop in replacement to Smiths
Connectors’ MDCX RF contacts with an
increased frequency range from 10 GHz
to 40 GHz.
►
MDCX VSWR of 1.25:1 (typ) up to
10 GHz (max mated pair).
►
MDHC VSWR of 1.3:1 (typ) up to
30GHz (max mated pair).
►
MDHC VSWR of 1.5:1 (typ) up to
40GHz (max mated pair).
MECHANICAL & ENVIRONMENTAL SPECIFICATIONS
Temperature Rating
Corrosion
Shock
Vibration
Thermal Shock
Durability
Mating/Unmate Force
Float Mount Constraints
-65˚C to +165˚C
MIL-STD-202 Method 101, Test Condition B
MIL-STD-202 Method 213, Test Condition B
MIL-STD-202 Method 204, Test Condition B
MIL-STD-202 Method 107, Test Condition B
1,000 cycles min.
500 cycles min. Signal Contacts
1 lb. min.
0.010" full radial & 0.010 axial misalignment max.
ELECTRICAL SPECIFICATIONS
Dielectric Withstanding Voltage
Insulation Resistance
Contact Current Rating
Characteristic Impedance
RF HI Potential Withstanding Voltage
Corona Level @ 70,000 ft.
Permeability
Frequency Range
500 VDC @sea level with 70% relative humidity
5000 mega-ohms min. @ 200 VDC
5 Amps max. for 0.030 Signal Pins
2.0 Amps max. for 0.015 Signal Contacts
50 Ohm constant airline impedance
125 VRMS @ 5 MHz
Center contact to intermediate contact: 125 VAC
2.0 max.
MDHC: DC-40 GHz
MDCX: DC-10 GHz
1.5:1 (typ) Mated Pair up to 40 GHz (MDHC)
1.3:1 (typ) Mated Pair up to 30 GHz (MDHC)
1.25:1 (typ) Mated Pair up to 10 GHz (MDCX)
VSWR
MATERIAL & FINISHES
Center & Outer Spring Contacts
Insulators
Connector Plug/Receptacle Shell
Brass per ASTM-B16, alloy UNS C36000
or BeCu per ASTM-B196, alloy UNS C17200, C17300
Gold Plate per MIL-DTL-45204, Type II, Class 1
PTFE per ASTM D-1710
Aluminum per ASTM-B211/221, 6061-T6
Electroless Nickel Plate per SAE-AMS-C-26074
ROHS COMPLIANT
All specifications subject to change without notice.
MDCX Connectors
MDHC Connectors
Multipin Coax Connector
with Locking Post
2
MDCX & MDHC
ConneCtor Plug for Cable Mount MDCX & MDHC CoaX SoCket ContaCtS
2X (Ø.092 THRU)
(Ø.150X .100)
PART NUMBER
(.350)
CONTACTS
2
4
6
8
10
017300-2003
017300-2004
017300-2006
017300-2008
017300-2010
(.020)
.088
A
.176
(TYP)
ALIGNMENT
BOARD
(.265)
(.020)
B
(.135)
*Cable Mount Coaxial Contacts Sold Separately
ConneCtor Plug for Cable Mount MDCX & MDHC CoaX SoCket ContaCtS
(w/Mounting Hardware)
2X
JACK SCREW
#4-40 UNC-2A
PART NUMBER
(.350)
.088
A
.176
CONTACTS
2
4
6
8
10
017300-2013
017300-2014
017300-2016
017300-2018
(TYP)
(.185)
(.400)
(.215)
ALIGNMENT
BOARD
017300-2020
B
*Cable Mount Coaxial Contacts Sold Separately
ConneCtor Plug for MDCX & MDHC WitH PC-tail CoaX SoCket ContaCtS
2X (Ø.092 THRU)
(Ø.150X .100)
MDCX
(.350)
MDHC
017317-2013
017317-2014
017317-2016
017317-2018
017317-2020
CONTACTS
2
4
6
8
10
017317-2003
017317-2004
(.020)
.088
A
.176
(TYP)
017317-2006
(.100)
(.020)
ALIGNMENT
BOARD
017317-2008
017317-2010
(.265)
B
(.135)
*PC Tail Contacts included
3
MDCX & MDHC
ConneCtor reCePtaCle for Cable Mount MDCX & MDHC CoaX Pin ContaCtS
2X (Ø.092 THRU)
(Ø.150X .100)
PART NUMBER
(.350)
CONTACTS
2
4
6
8
10
017300-3003
017300-3004
017300-3006
017300-3008
(.020)
.088
A
.176
(TYP)
ALIGNMENT
BOARD
(.400)
(.020)
017300-3010
B
*Cable Mount Coaxial Contacts Sold Separately
ConneCtor reCePtaCle for Cable Mount MDCX & MDHC CoaX Pin ContaCtS
(w/Mounting Hardware)
2X
JACK POST
#4-40 UNC-2B
PART NUMBER
(.350)
.088
A
.176
CONTACTS
2
4
6
8
10
017300-3013
017300-3014
017300-3016
017300-3018
(TYP)
(.400)
(.195)
(.205)
ALIGNMENT
BOARD
017300-3020
(.093)
PANEL
B
*Cable Mount Coaxial Contacts Sold Separately
ConneCtor reCePtaCle for MDCX & MDHC WitH PC-tail Pin ContaCtS
2X (Ø.092 THRU)
(Ø.150X .100)
MDCX
(.350)
MDHC
017317-3013
017317-3014
017317-3016
017317-3018
017317-3020
CONTACTS
2
4
6
8
10
017317-3003
017317-3004
017317-3006
(.020)
.088
A
.176
(TYP)
ALIGNMENT
BOARD
(.100)
017317-3008
(.020)
(.400)
017317-3010
B
*PC Tail Contacts included
4
MDCX & MDHC
ConneCtor Plug WitH MDCX rigHt angle PC-tail CoaX SoCket ContaCt
2X (Ø.092 THRU)
(Ø.150X .100)
PART NUMBER
(.350)
CONTACTS
2
4
6
8
10
017317-1103
017317-1104
017317-1106
(.020)
.088
A
.176
(.100)
(TYP)
(.125)
ALIGNMENT
BOARD
017317-1108
017317-1110
(.020)
(.265)
B
(.135)
*PC Tail Contacts included
ConneCtor reCePtaCle WitH MDCX rigHt angle PC-tail CoaX Pin ContaCt
2X ( Ø.092 THRU)
(Ø.150X .100)
PART NUMBER
(.350)
CONTACTS
2
4
6
8
10
017317-1003
(.020)
.088
A
(.125)
ALIGNMENT
BOARD
.176
(.100)
017317-1004
017317-1006
017317-1008
017317-1010
(TYP)
(.020)
(.400)
B
*PC Tail Contacts included
ConneCtor reCePtaCle WitH MDCX rigHt angle PC-tail CoaX Pin ContaCt
(w/Mounting Hardware)
2X
HELI-COIL
#4-40 UNC-2B
PART NUMBER
(.350)
CONTACTS
2
4
6
8
10
017317-1203
.088
A
ALIGNMENT
BOARD
.176
(TYP)
(.120)
017317-1204
017317-1206
2X
TAP HOLE
#2-56 UNC-2B
(.053)
017317-1208
017317-1210
(.650)
(.400)
D
B
(.578)
5
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