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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Omschrijving Prijs Gender Body Orientation Termination Method Mounting Type Size Body Plating Cable Type Impedance Mating Type Operating Frequency Contact Plating Contact Material
RS-stocknr. 816-9346
Fabrikantnummer930-150P-51A
FabrikantAmphenol
€ 5,91
Each
Aantal stuks
Male Right Angle Crimp, Solder Cable Mount Standard - RG142 50Ω Snap-On 0 → 18GHz Bronze -
RS-stocknr. 612-7016
Fabrikantnummer11_QMA-50-2-2/133_NE
FabrikantHuber & Suhner
€ 13,21
Each
Aantal stuks
Male Straight Crimp Cable Mount - Copper Alloy RG316/U 50Ω - 0 → 11GHz Gold Brass
RS-stocknr. 435-1633
FabrikantnummerR123075000W
FabrikantRadiall
€ 12,36
Each
Aantal stuks
Male Straight Crimp Cable Mount - Bronze RG141, RG58 50Ω - 0 → 6GHz Enickel, Gold Alloy Brass
RS-stocknr. 819-4204
Fabrikantnummer28S206-271N5
FabrikantRosenberger
€ 5,40
Each
Aantal stuks
Male Right Angle Solder Cable Mount - - RG405, UT85 50Ω Quick Lock 0 → 18GHz White Bronze Copper Zinc Alloy
RS-stocknr. 612-7117
Fabrikantnummer24_QMA-50-2-1/111_NE
FabrikantHuber & Suhner
€ 14,98
Each
Aantal stuks
Female Straight Solder Panel Mount - Gold Sucoform 86 50Ω - 0 → 11GHz Gold Bronze
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