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The MMCX Series connectors are smaller than the MCX. The reliable snap-on mating design offers low RF-leakage. So, these small dimensions allow you to use the connectors where space requirements are critical.
Wireless Application Antennas Components
Telecom Radio Boards Satcom
GPS Instrumentation Broadband Communications
Radios Base Stations PCMCIA Cards
Interface Mating Dimensions:

Interface Dimension in Millimeters
Male Female
mm mm
  Min. Max.   Min. Max.
A   2.40 A 2.41  
B 2.70   B   2.65
C 0.00 0.25 C 0.90 1.20
D 1.23   D 0.70 nom
E 1.58 1.62 E 1.40  
F 1.23   F 3.00 3.04
G 0.38 0.42 G 2.88 2.92
H   0.20 H 1.57 1.63
I     I 2.34 2.26
Technical Characteristics
Impedance 50 ohm
Frequency Range 0 - 6 GHz
Working Voltage 170 VRMS max.
Dielectric Withstanding Voltage 500 VRMS
VSWR Straight 1.3 max.
Right Angle 1.5 max.
Contact Resistance Center Contact 5 Milliohm Max.
Outer Contact 2.5 Milliohm Max.
Insulator Resistance 1000 Mega ohms min.
Part Name Material Finish
Body, Metal Parts Brass Gold or Nickel
Center Contacts Plug: Brass Gold
  Jack: Beryllium Copper Gold
Insulator PTFE  
Crimp Ferrule Annealed Copper Gold or Nickel
Mechanical & Environmental
Mating "Push-Pull" Snap-On Coupling
Engagement Force 3.4 lbs. max
Disengagement Force 1.4~3.4 lbs max.
Contact Retention 2.3 lbs. min.
Durability (Mating) 500 cycles min. (For Be/Cu Jack Contact only)
Temperature Range -65°C ~ 155°C
Vibration MIL-STD-202 Meth. 204/C
Salt Spray MIL-STD-202 Meth. 101/B
Thermal Shock MIL-STD-202 Meth. 107