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Samm Market
Telecommunications
Heating Syetems
FOTAS
FARNELLQMA Straight Panel Receptacle (plug) 1
Series QMA – coaxial connectors
Code: F-Type 23_QMA-50-0-3/133_N
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HUBER+SUHNER QMA coaxial connectors are according to QLF standard and are available with 50 Ω impedance. The frequency range extends to 18 GHz, depending on the connector and cable type, however most of the QMA connectors are return loss optimised for frequencies up to 6 GHz. The interface is based on the SMA dimension, but, instead of a threaded coupling mechanism, a new snap-lock mechanism is used.
The QMA interface has a very similar performance to the SMA, but in addition it offers an easier, faster and safer coupling operation, helping customers to save significantly time during production. The packaging density of QMA is increased compared to SMA connectors thanks to the fact that no torque spanner is required to fasten the coupling nut. QMA is not intermateable with SMA.
QMA connectors are also available as waterproof version (IP 68) and are compatible with QLF standard
Mechanical data
| Flange dimention | Type square flange | 12.7 X 12.7 mm |
| Terminal Dimension D1 | 0.27 mm | |
| Terminal Dimension L1 | 6.60 mm | |
| Terminal Dimension D2 | 4.10 mm | |
| Terminal Dimension L2 | 4.06 mm | |
Electrical data
| Impendance | 50 Ω | |
| Max. Interface frequency | ≤ 6 GHz | |
Environmental and general data
| Operating Temp min | -40 °C | |
| Operating Temp max | 80 °C | |
| Weight | 0.0032 kg | |
| Number of Matings | 100 | |
Material data
| 2002/95/EC (RoHS) | compliant | |
| Piece part | Base material | Plating |
|---|---|---|
| Centre Contact Material | Copper Beryllium Alloy | SUCOPRO Plating |
| Outer Contact Material | Brass | SUCOPLATE (R) Plating |
| Insulator Material | PFA / PTFE | |
| Body Material | Brass | SUCOPRO Plating |
| File | Info |
|---|---|
 RF_Connectors_ENpdf | [PDF, 42.12 MB] |
