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A SMA Female to QMA Male (SMAF to QMAM) straight adapter is a coaxial RF adapter used to connect a QMA-based system to an SMA-based system. It is commonly used in industrial and cellular applications to transition between these two connector types while maintaining a 50-ohm impedance.
Key Products & Specifications (as of April 2026):
- : This is a widely available straight, between-series adapter featuring a QMA Plug (male pin) to SMA Jack (female socket).
- / : Other available options for QMA Male to SMA Female configurations.
- Frequency/Impedance: Typically rated for 50 Ohm and suitable for high-frequency applications, with some models designed for up to 18 GHz.
- Material: Generally made with nickel-plated brass bodies and gold-plated contacts.
These adapters are in stock at distributors like DigiKey and Mouser, with prices for the Siretta model generally ranging from $8 to $11, while other brands (e.g., HUBER+SUHNER) can exceed $50–$100.
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Web results
SMAF to QMAM adapter
Maniron
https://www.manirontronics.com › smaf-to-qmam-adapt...
Maniron
https://www.manirontronics.com › smaf-to-qmam-adapt...
RF Adapter SMAF to QMAM Straight adapter has good performance, characteristic impedance is 50ohm. The characteristic of adapter is in wide working frequency ...
ADAPT/QMAM/SMAF Siretta
Mouser Electronics
https://www.mouser.com › ProductDetail › ADAPT-Q...
Mouser Electronics
https://www.mouser.com › ProductDetail › ADAPT-Q...
Adapter Style: Straight. Shell Plating: Nickel. Body Material: Brass. Contact Plating: Gold. Brand: Siretta. Contact Material: Beryllium Copper. Country of ...Read more
$4.99 delivery30-day returns
rf adapter, qma plug-sma jack rohs compliant: yes
Newark Electronics
https://www.newark.com › ... › RF Adapter Modules
Newark Electronics
https://www.newark.com › ... › RF Adapter Modules
Buy ADAPT/QMAM/SMAF - SIRETTA - RF ADAPTER, QMA PLUG-SMA JACK ROHS COMPLIANT: YES. Newark Electronics offers fast quotes, same day dispatch, fast delivery, ...
SMA to QMA Coaxial Connector (RF) Adapters
DigiKey
https://www.digikey.com › products › filter › sma-to-qma
DigiKey
https://www.digikey.com › products › filter › sma-to-qma
RF coaxial adapters are used to convert from one style coaxial to another coaxial whether it is DIN Rail, Free Hanging, Panel mount, or Through Hole. Examples ...Read more
SMA Female to QMA Male Adapter
Pasternack
https://www.pasternack.com › sma-female-qma-male-stra...
Pasternack
https://www.pasternack.com › sma-female-qma-male-stra...
This 50 Ohm SMA adapter is precision manufactured to RF components industry specifications and has a maximum frequency of 18 GHz.Read more
$111.99In stock$9.99 delivery30-day returns
Siretta Straight Coaxial Adapter Male Female
RS International
https://int.rsdelivers.com › ... › Coaxial Adapters
RS International
https://int.rsdelivers.com › ... › Coaxial Adapters
Siretta Straight Coaxial Adapter Male Female ; RS Stock No.: 554-261 ; Brand: Siretta ; Manufacturers Part No.: ADAPT/QMAM/SMAF.Read more
30-day returns
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Web results
SMAFST.TS9M.TG SMA(F) ST to TS9(M) Straight Adapter
Taoglas
https://www.taoglas.com › product › smafst-ts9m-tg-sm...
Taoglas
https://www.taoglas.com › product › smafst-ts9m-tg-sm...
Discover Taoglas' superior SMAFST Straight Adapter designed for frequencies up to 8000 MHz delivering dependable performance for precision RF systems.
ADAPT/QMAM/SMAF Siretta Ltd - Coaxial Connectors (RF)
DigiKey
https://www.digikey.it › products › detail › ADAPT-Q...
DigiKey
https://www.digikey.it › products › detail › ADAPT-Q...
Buy now, ships today. ADAPT/QMAM/SMAF - Adapter Coaxial Connector SMA Jack, Female Socket To QMA Plug, Male Pin from Siretta Ltd. View datasheets, ...
SMAK/QMAJ Adapter
Hefei Maniron Electronic and Technology Co., Ltd.
https://www.manirontronics.com › smak-qmaj-adapter_sp
Hefei Maniron Electronic and Technology Co., Ltd.
https://www.manirontronics.com › smak-qmaj-adapter_sp
SMAF to QMAM Straight adapter has good performance, characteristic impedance is 50ohm. The characteristic of adapter is in wide working frequency, reliable ...Read more
Siretta Straight Coaxial Adapter Male Female
RS Components
https://uk.rs-online.com › ... › Coaxial Adapters
RS Components
https://uk.rs-online.com › ... › Coaxial Adapters
Buy Siretta Straight Coaxial Adapter Male Female ADAPT/QMAM/SMAF. Browse our latest Coaxial Adapters offers. Free Next Day Delivery available.