MMCX - 50 Ohm Connectors
Specifications
ELECTRICAL RATINGS
Impedance:
50 ohms
Frequency Range:
Connectors ................................................ 0-6 GHz
Dummy loads ............................................ 0-1 GHz
VSWR:
(f = GHz)
Straight
Right Angle
Cabled Connectors Cabled Connectors
.047 dia flexible .................................... 1.20
1.14 + .07f
RG-178, RG-316, RG-316DS .............. 1.20
1.25
.086 semi-rigid ..................................... 1.15
1.15
Uncabled receptacles, dummy loads ................................................ N/A
Working Voltage:
Connectors ......................... 170 Vrms at sea level†
Dummy loads ................................................... N/A
Dielectric Withstanding Voltage:
Connectors...500 Vrms at sea level†
Dummy loads ............................ N/A
Insulation Resistance:
1000 megohms min
Contact Resistance:
(milliohms maximum)
After
Initial
Environmental
Center contact (straight cabled connectors
and uncabled receptacles) ...................... 5.0
8.0
Center contact (right angle cabled
connectors) .............................................. 5.0
15.0
Outer contact (all connectors) ..................... 1.0
1.5
Braid to body ............................................... 1.5
N/A
Corona Level:
Connectors ..................... 190 volts min at 70,000 feet†
Dummy loads ......................................................... N/A
Insertion Loss:
(dB max tested at 1 GHz)
Straight cabled connectors .............................................................. 0.1
Right angle cabled connectors ........................................................ 0.2
Uncabled receptacles, dummy loads ............................................. N/A
RF Leakage:
(dB minimum, tested at 2.5 GHz)
Flexible cable connectors .......................................................... -60 dB
.086 semi-rigid ........................................................................... -70 dB
Dummy loads ................................................................................. N/A
RF High Potential Withstanding Voltage:
(400 Vrms at 4 and 7 MHz)†
Power Rating (Dummy Load):
- 0.5 watt @ +25°C, derated to 0.25
watt @ +125° C
†Avoid user injury due to misapplication.
See safety advisory definitions inside front cover.
MECHANICAL RATINGS
Engagement Design:
Series MMCX
Engagement/Disengagement Force:
8 lbs. max axial engagement
1.4 lbs. min axial disengagement
Contact Retention:
2.0 lbs. minimum axial force
Cable Retention:
Axial Force*
Torque
(pounds)
(in-oz)
Connectors for .047 flexible ........................ 3.5
N/A
Connectors for RG-178 ............................... 7.0
N/A
Connectors for RG-316 .............................. 20.0
N/A
Connectors for RG-316DS ......................... 25.0
N/A
Connectors for .086 semi-rigid ................... 30.0
16
*Or cable breaking strength whichever is less.
Durability:
.............................................................. 500 cycles minimum
ENVIRONMENTAL RATINGS
(Meets or exceed the applicable paragraph
of MIL-C-39012)
Operating Temperature:
Connectors ......................... - 65°C to + 165°C
Dummy loads .................... - 65°C to + 125°C
Thermal Shock:
Connectors: MIL-STD-202, Method 107, Condition C,
except -55°C to + 155°C (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 D (N/A dummy loads)
Moisture Resistance:
MIL-STD-202, Method 106 (N/A dummy loads)
MATERIAL SPECIFICATIONS
Bodies:
Brass per QQ-B-626, gold plated* per MIL-G-45204 .00001"
min.
Contacts:
Beryllium copper per QQ-C-530, gold plated* per MIL-G-
45204 .00003" min.
Interface Spring:
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
Crimp Sleeves:
Copper per WW-T-799 or brass per QQ-B-626, gold
plated per MIL-G-45204 .00001" min.
Mounting Hardware:
Brass per QQ-B-626 or QQ-B-613, gold plated
per MIL-G-45204 .00001" min.
*All gold plated parts include a .00005” min nickel barrier layer.
JACK
PLUG
1. ID of contact to meet VSWR mating
characteristics and connector durabil-
ity when mated with a dia .016 +/- .001
male contact.
2. Must meet the force to engage and dis-
engage when mated with mating part.
JACK
PLUG
Mating Engagement for MMCX
Series
Emerson Network Power Connectivity Solutions
299 Johnson Avenue SW, Waseca, MN 56093 • 800 -247- 8256 • +1 (507) 833-8822 • www.EmersonConnectivity.com
EMERSON-NETWORKPOWER [ EMERSON NETWORK POWER ]
