Type SMA female (Jack) 2 holes flange mount RF coaxial connector terminal

Type SMA female (Jack) 2 holes flange mount RF coaxial connector terminal

SMA is one kind of coaxial precision connectors up to 18GHZ and some versions can be extended to 27GHZ. Its advantage is samll size, high mechanical strength, high durability and optimum electrical properties.They can be widely used in the field of micro-wave communication ,spaceflight and navigation,instrument and etc.

Model:SMA-KFD1044
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SMA Female Jack 2 Holes Flange Mount RF Coaxial Connector Terminal (TERUILAI P/N: SMA-KFD1044) Full Product Specification

1. Core Product Overview

This SMA female 2-holes flange mount RF coaxial connector is a precision coaxial connector with a dedicated flange terminal structure. The SMA series is renowned for its small size, high mechanical strength, excellent durability and superior electrical performance, with standard versions supporting up to 18GHz and some extended versions reaching 27GHz. This particular model supports a DC-6GHz operating frequency range and 50Ω characteristic impedance, enabling reliable fixed installation on equipment panels or internal modules. It is widely used in microwave communication, aerospace, navigation and instrumentation fields, and complies with RoHS environmental protection standards.

2. Core Product Features

2.1 Secure 2-Holes Flange Mount Design

  • Adopts a 2-holes flange mounting structure for firm and stable mechanical fixation on equipment panels, enclosures or internal modules

  • Ensures long-term reliable connection even under vibration and impact conditions

  • Simplifies installation and maintenance operations, improving assembly efficiency

2.2 Stable Precision RF Performance

  • Supports DC-6GHz operating frequency range with a characteristic impedance of 50Ω

  • Voltage Standing Wave Ratio (VSWR) ≤1.2, ensuring excellent impedance matching

  • Center conductor contact resistance ≤3mΩ, outer conductor contact resistance ≤2mΩ, achieving low-loss signal transmission

  • Dielectric withstanding voltage of 1000V (RMS) and insulation resistance ≥5000MΩ, guaranteeing safe and stable electrical operation

  • All-metal shielding structure effectively suppresses electromagnetic interference and ensures signal integrity

2.3 Premium Materials & Durable Construction

  • Body made of high-quality brass with full gold plating, providing excellent electrical conductivity and corrosion resistance

  • Contact pins made of beryllium-copper with gold plating, ensuring long-term stable contact performance

  • Durability of ≥500 mating cycles, suitable for long-term repeated use

  • Operating temperature range: -45℃ ~ +85℃, adapting to various industrial working environments

2.4 Compact & High-Strength Structure

  • Small size design saves valuable equipment space, ideal for high-density system integration

  • High mechanical strength ensures reliable connection in harsh working conditions

  • Standardized interface dimensions ensure 100% compatibility with all standard SMA series connectors

RoHS certificate: Compliant

Electrical Requirments
Impedence50Ω
FrequencyDC~6GHz
Dielectric withstanding voltage 1000V(volts RMS)
Center contact resistance ≤3MΩ
Outer contact resistance ≤2MΩ
Insulation resistance≥5000MΩ
VSWR1.2Max


Enviromental & Mechanical Requirments
Temperature range -45℃ ~ +85℃
RoHs Compliant
Durability>500 cycles


Material & platingRequirments
Connector parts Material Plating
BodyBrass Gold-plated
InsulatorsTeflon
Contact PinBeryllium-copperGold-plated


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