MCX - 50 Ohm Connectors
Specifications
INCHES (MILLIMETERS)
CUSTOMER DRAWINGS AVAILABLE UPON REQUEST
ELECTRICAL RATINGS
Impedance:
50 Ohms
Frequency Range:
Connectors .............................................. 0-6 GHz
Dummy loads .......................................... 0-1 GHz
VSWR:
(f = GHz)
Straight Cabled
Right Angle
Connectors Cabled Connectors
RG-178 cable ................................... 1.17 + .04f
1.07 + .06f
RG-316 and .086 semi-rigid cable ... 1.13 + .04f
1.07 + .04f
Adapters .............................................................................. 1.13 + .04f
Uncabled receptacles, Dummy loads ............................................ N/A
Working Voltage:
(Vrms maximum)†
Connectors for Cable Type
Sea Level
70K Feet
RG-178 ................................................... 250
65
RG-316, .086 semi-rigid uncabled
uncabled receptacles, adapters ............ 335
85
Dummy loads ............................................................................. N/A
Dielectric Withstanding Voltage:
(VRMS minimum at sea level)
Connectors for RG-178 .............................................................. 750
Connectors for RG-316, .086 semi-rigid,
uncabled receptacles, adapters ............................................ 1000
Dummy loads ............................................................................. N/A
Corona Level:
(Volts minimum at 70,000 feet)
Connectors for RG-178 .............................................................. 190
Connectors for RG-316, .086 semi-rigid
uncabled receptacles, adapters .............................................. 250
Dummy loads ............................................................................. N/A
Insertion Loss:
(dB maximum, tested at 1 GHz)
Straight cable connectors and adapters ................................. 0.1 dB
Right angle cable connectors ................................................. 0.2 dB
Uncabled receptacles, dummy loads ......................................... N/A
Insulation Resistance:
10,000 megohms minimum
After
Contact Resistance:
(milliohms maximum)
Initial Environmental
Center contact (straight cabled connectors,
uncabled receptacles and adapters) ................. 5.0
8.0
Center contact (right angle cabled connectors) .... 5.0
15.0
Outer contact ........................................................ 1.0
1.5
Braid to body (gold plated connectors) ................. 1.0
N/A
Braid to body (nickel plated connectors) ............... 2.5
N/A
RF Leakage:
(dB typical tested at 2.5 GHz)
Cable connectors .................................................................. -55 dB
Uncabled receptacles and adapters, dummy loads ................... N/A
Avoid user injury due to misapplication. See safety advisory definitions on page 2.
** All gold plated parts include a .00005" min. nickel underplate barrier layer.
RF High Potential Withstanding Voltage:
(Vrms minimum, tested at 4
and 7 MHz)
Connectors for RG178 ............................................................... 500
Connectors for RG316 and adapters ......................................... 700
.086 semi-rigid ............................................................................ 670
Uncabled receptacles ................................................................. 600
Dummy loads ............................................................................. N/A
Power Rating (Dummy Load):
0.5 watt @ +25°C, derated to 0.25 watt
@ +125°C
MECHANICAL RATINGS
Engagement Design:
Compatible with CECC 22220, Series MCX
Engagement Force:
5.6 pounds maximum axial force
Disengagement Force:
8 pounds maximum axial force, 1 pound min.
Contact Retention:
2.3 pounds min. axial force (captivated contacts)
1 inch-ounce min. torque (uncabled receptacles)
Cable Retention:
Axial Force*
Torque
(pounds)
(in-oz)
Connectors for RG178 ................................ 10
N/A
Connectors for RG316 ................................ 20
N/A
Connectors for RG316DS ........................... 25
N/A
Connectors for .086 semi-rigid .................... 30
16
* or cable breaking strength whichever is less.
ENVIRONMENTAL RATINGS (Meets or exceed the applicable
paragraph of MIL-C-39012)Durability:
500 cycles minimum
Temperature Range:Connectors
............................... - 65°C to + 165°C
Dummy loads .......................... - 65°C to + 125°C
Thermal Shock:
MIL-STD-202, Method 107, Condition F (N/A dummy
loads)
Corrosion:
MIL-STD-202, Method 101, Condition B (N/A dummy loads)
Shock:
MIL-STD-202, Method 213, Condition B (N/A dummy loads)
Vibration:
MIL-STD-202, Method 204, Condition B (N/A dummy loads)
Moisture Resistance:
MIL-STD-202, Method 106 (N/A dummy loads)
MATERIAL SPECIFICATIONS
Bodies:
Brass per QQ-B-626 or zinc per ASTM B86-71, gold plated**
per MIL-G-45204 .00001” min or nickel plated per QQ-N-290 or
bright tin plated
Contacts:
Male - brass per QQ-B-626, gold plated per MIL-G-45204
.00003" min.
Female - beryllium copper per QQ-C-530, gold plated per MIL-G-
45204 .00003" min.
Insulators:
PTFE fluorocarbon per ASTM D 1710 and ASTM D 1457
Expansion Caps:
Brass per QQ-B-613, gold plated per MIL-G-45204
.00001" min. or nickel plated per QQ-N-290
Crimp Sleeves:
Copper per WW-T-799, gold plated per MIL-G-45204
.00001" min. or nickel plated per QQ-N-290
Mounting Hardware:
Brass (nuts) per QQ-B-626 or phosphor bronze
(lockwashers) QQ-B-750, gold plated per MIL-G-45204 .00001" min.
or nickel plated per QQ-N-290
MATING ENGAGEMENT FOR MCX SERIES COMPATIBLE WITH CECC 22220
JACK
PLUG
JACK
PLUG
NOTES
1. ID of contact to meet VSWR mating characteristics and connector
durability when mated with a dia. .019-.021 (0.48-0.53) male contact.
2. Must meet the force to engage and disengage when mated with
mating part.
Emerson Network Power Connectivity Solutions
299 Johnson Avenue SW, Waseca, MN 56093 • 800 -247- 8256 • +1 (507) 833-8822 • www.EmersonConnectivity.com