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Microwave 335V 4 Hole Flange Mount SMA RF Connector

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China Xi'an Elite Electronic Industry Co., Ltd. certification
Product was exactly as expected and of high quality. Service was excellent. Will definitely order from again.

—— Gregory,USA

Understood my requirements and sought the right parts.

—— Ian, New Zealand

It has been a great pleasure dealing with you and thank you for your help and suggestion. Hope that there will be more copperation in the near future.

—— Terence, Singapore

The SMP connectors are high quality, the leak rate can reach 1*10^-9 mbar*l/s. A great deal with such an economic price.

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Microwave 335V 4 Hole Flange Mount SMA RF Connector

Microwave 335V 4 Hole Flange Mount SMA RF Connector
Microwave 335V 4 Hole Flange Mount SMA RF Connector

Large Image :  Microwave 335V 4 Hole Flange Mount SMA RF Connector Get Best Price

Product Details:
Place of Origin: China
Brand Name: ELT (Elite)
Certification: ROHS, ISO-9001-2015
Model Number: SMA-KFD47
Payment & Shipping Terms:
Minimum Order Quantity: 100pcs
Price: Negotiable
Packaging Details: Standard Export Carton
Delivery Time: Within 3-4 weeks
Payment Terms: T/T, Western Union, L/C
Supply Ability: 1,000,00 Pieces Per Month
Detailed Product Description
Product Name: SMA RF Conector Mount Method: Flange Mounting
Vswr: ≤1.3 Working Voltage: 335V R.m.s At Sea Level
Frequency Range: DC To 18GHz Body: Brass
Application: Microwave Applications
High Light:

Flange Mount SMA RF Connector


Microwave SMA RF Connector


335V Flange Mount Connector

Microstrip KFD series 4 holes Flange Mount SMA RF Connector Female Connector

The specifications below are general specifications for all sma connectors. Specific specifications for VSWR, insertion loss, and RF leakage for each connector is available from the factory upon request.

1.SMA RF connectors are available in quick connect , push-on or standard interface , straight, 90 degrees versions,as well as bulkhead or 4 hole panel configurations.
2.Built in accordance with MIL-C-39012, SMA connectors can be mated with all connectors that meet these specification mating diameters regardless of manufacturer.
2.SMA 50 ohm connectors are semi-precision units that provide excellent electrical performance from DC to 20 GHz and outstanding mechanical durability.
4.SMA RF connector are threaded-coupling RF coaxial connectors with miniature size, vibration-proof and wide frequency range up to 18 GHz 


Outline Drawing:(mm)

 Microwave 335V 4 Hole Flange Mount SMA RF Connector 0

Model No. L D  
SMA-KFD47 1.6 0.9  
SMA-KFD48 1.2 0.8  
SMA-KFD48A 0.9 0.6  
SMA-KFD78 1.5 0.7  
SMA-KFD154 5 1  
SMA-KFD177 0.8 0.6  
SMA-KFD521G 1 0.5 Stainless Steel
SMA-KFD533 2 0.8  
SMA-KFD564 1.2 0.6  
SMA-KFD605 8 1.3


  • Sub-miniature coaxial connectors
  • Screw-on coupling
  • Light weight, compact and vibration proof design
  • Available in nickel or gold plating , in a wide variety of orientations and PCB terminations
  • Broad range with male, female and adapters variants.
  • Frequency range up to 18 GHz
  • Intermateable with SMA2.9.
  • Excellent return loss

Specifiacation of SMA Rf Connectors:


Electrical Characteristics
Impedance 50Ω
Frequency Range Connect with solf cable DC~12.4GHz
Connect with semi-rigid cable DC~18GHz
Rated Voltage 335VRMS*
Dielectrics Voltage-resistance 1000VRMS*
Insulation Resistance ≥5000MΩ
Center Resistance Center Conductor ≤3.0mΩ
Outer Conductor ≤2.0mΩ
VSWR ≤1.3


Material & Mechanical Characteristics
Center Conductor Male Brass Gold plated
Female Sn-P Bronze Gold plated
Elastic Contact Beryllium bronze Nickel plated
Shell and other Metal Parts Brass Nickel plated
Stainless Passivation
Crimping Sleeve Brass Nickel plated
Tightening torque of connection 0.79-1.13N .m
Durability 500 cycles
Sealing Ring Silicone Rubber
Insulators PTFE



Product Cataloge:

RF Adapter
SMA/SSMA RF Connector
SMP/SSMP RF Connector
TNC RF Connector
N Type RF Connector
MCX/MMCX RF Connector
BNC RF ConnectorMillimeter Wave Connectors(2.4mm, 2.92mm)
RF Cable Assemblies
Waveguide To Coaxial Adapter
Glass-to-metal Hermetic Seals
J30J Series Connector
Microwave Rotary Joints



  • Base Stations
  • Antennas
  • Telecommunications
  • Instrumentation
  • 5G Solutions

​About Us

Xi'an Elite Electronic Industrial Co., Ltd. is a National High-tech Enterprise that specializes in R & D, manufacture and sales of RF connectors, adapters, cable assemblies, wave-guide products, glass-to-metal hermetic connectors, micro d-sub, microwave rotary joints and other microwave components with well-equipped testing facilities and strong technical force.

With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in electronic parts industry and.Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

Welcome new and old customers to contact us for future business relationships and mutual success!

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Contact Details
Xi'an Elite Electronic Industry Co., Ltd.

Contact Person: Elite

Tel: +8618437926277

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