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RF Adapter&Cable Assembly Solderless RF Connector

SMA Female Solderless RF Connector Field Replaceable Clamp SMA-KFD02G

SMA Female Solderless RF Connector Field Replaceable Clamp SMA-KFD02G

The SMA-KFD02G is a precision SMA female Solderless RF Connector engineered for field-replaceable coaxial cable termination.

Featuring a clamp-type center contact mechanism that eliminates the need for soldering, this connector provides reliable electrical performance up to 18 GHz while enabling fast, repeatable cable assembly in field maintenance, laboratory prototyping, and production test environments.

  • Part Number :

    SMA-KFD02G
  • Product Category :

    rf adapter & cable assembly

Product Overview

The SMA female Solderless RF Connector model SMA-KFD02G is a field-replaceable coaxial connector featuring a clamp-type center contact design that terminates to compatible semi-rigid or flexible coaxial cable without soldering.

The SMA female interface mates with standard SMA male connectors and supports operation from DC to 18 GHz with ≤1.25 VSWR. The connector body is constructed from stainless steel with a gold-plated beryllium copper center contact and PTFE dielectric for consistent 50-ohm impedance.

The solderless clamp mechanism enables rapid connector installation and replacement in the field without specialized soldering equipment or heat application, significantly reducing assembly time and eliminating the risk of heat-induced dielectric damage during termination.

 

Product Specifications / Attributes

Attribute

Value

Product Model

SMA-KFD02G

Manufacturer

VITALCONN Electronics

Connector Category

field replaceable Solderless RF Connector

Connector Interface

SMA Female (Jack)

Attachment Method

Clamp / Crimp (Solderless)

Characteristic Impedance

50 Ω

Frequency Range

DC ~ 18 GHz

VSWR

≤ 1.25

Body Material

Stainless Steel (Passivated)

Center Contact Material

Beryllium Copper (Gold-Plated)

Dielectric Material

PTFE

Coupling Nut Material

Stainless Steel

Operating Temperature

-65 to +165 °C

Mating Cycles

≥ 500 cycles

RoHS Compliance

Yes

 

Features&Benefits

  • Solderless Clamp Termination: Proprietary clamp-type center contact mechanism eliminates the need for soldering during cable termination, reducing assembly time, eliminating heat-related dielectric damage risk, and enabling consistent field-replaceable installations.
  • SMA Female Interface: Industry-standard SMA female (jack) interface mates reliably with all standard SMA male connectors, suitable for test and measurement equipment, wireless communication systems, and RF module interconnections.
  • DC to 18 GHz Broadband Performance: Maintains ≤1.25 VSWR across the full DC to 18 GHz frequency range, supporting applications from HF through Ku-band including Wi-Fi 6E, 5G FR1, and satellite communication bands.
  • Stainless Steel Body: Passivated stainless steel construction provides excellent corrosion resistance, mechanical robustness, and long-term durability in laboratory, production, and outdoor environments.
  • Gold-Plated Beryllium Copper Center Contact: Provides low contact resistance, high conductivity, and excellent wear resistance for extended service life over 500 mating cycles.
  • Field-Replaceable Design: Quick-change clamp mechanism allows connector replacement or cable re-termination without requiring soldering stations, hot air tools, or specialized assembly fixtures.
  • PTFE Dielectric: Low-loss PTFE insulation maintains stable 50-ohm characteristic impedance across the operating temperature range from -65 to +165 °C.
  • RoHS Compliant: All materials and surface finishes comply with RoHS directive requirements for the global electronics market.

 

Packing Details

If you need detailed information about our packaging specifications and requirements, please feel free to contact us directly. We will be happy to provide you with the details.

 

Applications

  • Field maintenance and repair of RF cable assemblies
  • Laboratory prototype RF test fixture construction
  • Wireless communication base station interconnect cabling
  • Antenna feed line termination in broadcast systems
  • Radar and electronic warfare system cable assemblies
  • Satellite communication ground station RF links
  • RF production test equipment and calibration setups

 

Frequently Asked Questions (FAQ) 

  • Q: What cable types are compatible with the SMA-KFD02G Solderless RF Connector?
  • A: The SMA-KFD02G clamp-type Solderless RF Connector is designed for use with specific semi-rigid and flexible coaxial cable types depending on the center conductor diameter and outer jacket dimensions. Common compatible cable types include RG-316, RG-174, and hand-formable 0.047-inch semi-rigid cables. Please consult the SMA-KFD02G product datasheet for the complete cable compatibility matrix and recommended strip dimensions.
  • Q: Does the solderless clamp mechanism affect the RF performance compared to soldered SMA connectors?
  • A: When properly installed per the manufacturer's assembly instructions, the SMA-KFD02G's solderless clamp mechanism achieves RF performance comparable to traditional soldered SMA connectors. The key advantages include elimination of heat-related dielectric deformation (which can alter impedance) and consistent mechanical pressure on the center conductor contact point. The ≤1.25 VSWR specification is maintained across DC to 18 GHz when assembled with compatible cable per recommended procedures.
  • Q: Can the SMA-KFD02G field replaceable SMA connector be re-used after termination?
  • A: The SMA-KFD02G Solderless RF Connector is designed primarily for single-use installation on a prepared cable end. While the clamp mechanism allows disassembly without heat, re-use on a different cable is not generally recommended because the center contact may have been deformed during the initial clamping process. For applications requiring multiple re-terminations, VITALCONN recommends using fresh connectors to ensure consistent VSWR and insertion loss performance.

 

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