QMA Connectors

A QMA connector is a coaxial radio frequency connector, which operates in the multi-megahertz range. QMA connectors maintain the shielding barrier in electrical applications. The interface or communication link happens via snap lock mechanisms.

QMA connectors offer easier, faster and safer coupling operations resulting in significant time savings during system production. The snap lock function of a QMA connector makes it easier to mate and de-mate connections, and allows for connector coupling in tight spaces. The packaging density is higher than in SubMiniature version A (SMA connectors) because no torque spanner is necessary when fastening the coupling nut.

What are QMA connectors used for?

QMA connectors are used in outdoor applications such as wireless communications, transmission systems, portable radio systems, air traffic control, and assemblies for mobile radio base stations. They have a high vibration and impact tolerance and can also be used in defence and the industrial sector.

Types of QMA connectors

Standard QMA connectors include:

  • Cable connectors, which are used for flexible as well as semi-rigid cables
  • Panel connectors with straight flange, bulkhead, screw-in or press-count receptacles
  • Printed circuit board connectors, which offer through-hole and surface-mount technology for antenna applications
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Rincian Komponen Brand Stock Gender Body Orientation Termination Method Mounting Type Body Plating Cable Type Mating Type Operating Frequency Contact Plating Contact Material
Amphenol Right Angle PCB Mount QMA Connector jack, Solder Termination Amphenol 939 Female Right Angle Solder PCB Mount - - Threaded - Gold over Nickel Beryllium Copper
Amphenol Right Angle 50Ω Cable Mount QMA Connector Plug, Solder Termination Amphenol 499 Male Right Angle Solder Cable Mount - - Snap-On 0 → 6GHz Gold Beryllium Copper
Amphenol Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp, Solder Termination, RG142 Amphenol 420 Male Right Angle Crimp, Solder Cable Mount - RG142 Snap-On 0 → 18GHz Bronze -
Radiall Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG188, RG316 Radiall 203 Male Right Angle Crimp Cable Mount Bronze RG188, RG316 - 0 → 6GHz Enickel, Gold Alloy Brass
Huber & Suhner Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp Termination, K 02252 D Huber & Suhner 179 Male Right Angle Crimp Cable Mount Copper Alloy K 02252 D - 0 → 11GHz Gold Brass
Huber & Suhner 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG400/U Huber & Suhner 161 Male Straight Crimp Cable Mount Copper Alloy RG400/U - 0 → 11GHz Gold Brass
Huber & Suhner 50Ω Panel Mount QMA Connector jack, Solder Termination, RG316/U Huber & Suhner 155 Female Straight Solder Panel Mount White Bronze RG316/U - 0 → 11GHz Gold over Enickel Bronze
Radiall 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG58, RG141 Radiall 119 Male Straight Crimp Cable Mount Bronze RG58, RG141 - 0 → 6GHz Enickel, Gold Alloy Brass
Huber & Suhner Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG58 C/U Huber & Suhner 104 Male Right Angle Crimp Cable Mount Copper Alloy RG58 C/U - 0 → 11GHz Gold Brass
Huber & Suhner 50Ω Panel Mount QMA Connector jack, Solder Termination, Sucoform 86 Huber & Suhner 100 Female Straight Solder Panel Mount Gold Sucoform 86 - 0 → 11GHz Gold Bronze
Radiall 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG188, RG316 Radiall 100 Male Straight Crimp Cable Mount Bronze RG188, RG316 - 0 → 6GHz Enickel, Gold Alloy Brass
Rosenberger Right Angle 50Ω PCB Mount QMA Connector jack, Solder Pin Termination, RG174 A/U, RG188 A/U, RG316/U Rosenberger 100 Female Right Angle Solder Pin PCB Mount - RG174 A/U, RG188 A/U, RG316/U Quick Lock 0 → 18GHz White Bronze Copper Zinc Alloy
TE Connectivity Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG174, RG188, RG316/U TE Connectivity 87 Male Right Angle Crimp Cable Mount Nickel RG174, RG188, RG316/U - - Gold Brass
Amphenol Right Angle 50Ω Cable Mount QMA Connector Plug, Solder Termination, RG402/U Amphenol 85 Male Right Angle Solder Cable Mount - RG402/U Snap-On 0 → 18GHz Gold -
Huber & Suhner Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG316/U Huber & Suhner 80 Male Right Angle Crimp Cable Mount Copper Alloy RG316/U - 0 → 11GHz Gold Brass
Huber & Suhner 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG58 C/U Huber & Suhner 61 Male Straight Crimp Cable Mount Copper Alloy RG58 C/U - 0 → 11GHz Gold Brass
Rosenberger Right Angle 50Ω Cable Mount QMA Connector Plug, Crimp, Solder Termination, RG174 A/U, RG188 A/U, RG316/U Rosenberger 24 Male Right Angle Crimp, Solder Cable Mount - RG174 A/U, RG188 A/U, RG316/U Quick Lock 0 → 18GHz White Bronze Copper Zinc Alloy
Huber & Suhner 50Ω Cable Mount QMA Connector Plug, Crimp Termination, RG316/U Huber & Suhner 21 Male Straight Crimp Cable Mount Copper Alloy RG316/U - 0 → 11GHz Gold Brass
Rosenberger 50Ω Cable Mount QMA Connector Plug, Crimp, Solder Termination, RG174 A/U, RG188 A/U, RG316/U Rosenberger 20 Male Straight Crimp, Solder Cable Mount - RG174 A/U, RG188 A/U, RG316/U Quick Lock 0 → 18GHz White Bronze Copper Zinc Alloy
Rosenberger Right Angle 50Ω Cable Mount QMA Connector Plug, Solder Termination, RG405, UT85 Rosenberger 16 Male Right Angle Solder Cable Mount - RG405, UT85 Quick Lock 0 → 18GHz White Bronze Copper Zinc Alloy
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