ample-chip ample-chip
RFQ
BOM

Coaxial Connectors (RF)

Image Part Number Description / PDF Quantity Rfq
112706

112706

Connex (Amphenol RF)

CONN BNC JACK R/A 50 OHM PCB

0
332116

332116

Connex (Amphenol RF)

CONN 4.1/9.5 PLUG STR 50OHM PUSH

0
122408

122408

Connex (Amphenol RF)

CONN TNC PLUG STR 50 OHM CRIMP

651
172169

172169

Connex (Amphenol RF)

CONN N JACK STR 50 OHM SOLDER

0
031-239

031-239

Connex (Amphenol RF)

CONN BNC RCPT STR 50 OHM SOLDER

36
31-320-RFX

31-320-RFX

Connex (Amphenol RF)

CONN BNC PLUG STR 50 OHM CRIMP

11848
901-1GF705590AE

901-1GF705590AE

Connex (Amphenol RF)

RF CONNECTOR, SMA JACK PANEL MOU

0
132122

132122

Connex (Amphenol RF)

CONN SMA PLUG R/A 50 OHM SOLDER

486
142288

142288

Connex (Amphenol RF)

CONN SMB PLUG R/A 50OHM SOLDER

0
031-6861

031-6861

Connex (Amphenol RF)

BNC STRAIGHT CRIMP PLUG FOR LMR-

195
132136RP

132136RP

Connex (Amphenol RF)

CONN RP-SMA RCPT R/A 50 OHM PCB

88
122956

122956

Connex (Amphenol RF)

CONN TNC RCPT STR 50 OHM PCB

0
142146

142146

Connex (Amphenol RF)

CONN SMB JACK R/A 50 OHM PCB

3600
083-58SCP-RFX

083-58SCP-RFX

Connex (Amphenol RF)

CONN UHF PLUG STR CRIMP

49
172170

172170

Connex (Amphenol RF)

CONN N JACK STR 50 OHM SOLDER

154
122192

122192

Connex (Amphenol RF)

CONN TNC JACK STR 50 OHM CRIMP

51
2FA1-NCSP-C01W1

2FA1-NCSP-C01W1

Connex (Amphenol RF)

FAKRA STRAIGHT CRIMP PLUG FOR RG

0
122338

122338

Connex (Amphenol RF)

TNC STRAIGHT JACK, SOLDER CUP, 5

71
132124

132124

Connex (Amphenol RF)

CONN SMA PLUG STR 50OHM SOLDER

24
172176-10

172176-10

Connex (Amphenol RF)

N RIGHT ANGLE CRIMP PLUG FOR LMR

0

Coaxial Connectors (RF)

1. Overview

RF coaxial connectors are electro-mechanical devices designed to transmit radio frequency (RF) signals between components or systems. They maintain signal integrity in coaxial cables by preserving impedance matching and shielding performance. These connectors are critical in telecommunications, aerospace, defense, and test equipment, enabling reliable high-frequency signal transmission up to 110 GHz in modern applications.

2. Main Types and Functional Classification

TypeFunctional FeaturesTypical Applications
BNCBayonet coupling, 50/75 impedance, quick-connectTest instruments, video systems, 10BASE-T Ethernet
N-TypeThreaded coupling, 50 , weatherproofCellular base stations, microwave links, broadcast equipment
SMAThreaded, 0-18 GHz range, compact sizeWi-Fi antennas, GPS modules, RF modules
F-TypeCompression fitting, 75 impedanceCable TV, satellite TV, CATV systems
LCMiniature threaded, low PIM designHigh-density telecom equipment, 5G infrastructure

3. Structure and Components

A typical RF coaxial connector consists of four key elements:

  1. Center Conductor: Precision-machined pin/socket (beryllium copper or phosphor bronze) for signal transmission
  2. Dielectric Insulator: PTFE or ceramic material maintaining 50/75 impedance and spacing
  3. Outer Conductor: Brass or stainless steel shell providing 360 shielding (typical attenuation >80dB)
  4. Connection Mechanism: Threaded (N, SMA), bayonet (BNC), or compression (F-type) interface with anti-rotation features

4. Key Technical Specifications

ParameterDescriptionImportance
Frequency Range0.01-110 GHz (varies by type)Determines maximum usable bandwidth
Impedance50 (standard) or 75 Matches cable/system requirements
VSWR1.2:1 (typical) - 1.5:1 (high-performance)Measures signal reflection efficiency
Insertion Loss0.1-0.5 dB (varies with frequency)Impacts signal strength preservation
Withstanding Voltage500V-3000V ACSafety and insulation capability

5. Application Fields

  • Telecommunications: 5G base stations (N-Type/LC), fiber modems (SC/FC)
  • Military/Aerospace: Radar systems (high-reliability N-Type), avionics (MIL-STD-348 compliant)
  • Test & Measurement: Spectrum analyzers (Precision SMA), oscilloscopes (BNC)
  • Consumer Electronics: Cable TV (F-Type), Wi-Fi routers (RP-SMA)
  • Industrial IoT: Wireless sensors (TNC), RFID readers (MMCX)

6. Leading Manufacturers and Products

ManufacturerKey ProductsSpecial Features
AmphenolSeries 5000 N-TypeIP68 rating, 0-11 GHz
TE ConnectivityDeutsch DMCMilitary-grade vibration resistance
Rosenberger4.3-10 Connector70% smaller than N-Type, 6 GHz
Huber+SuhnerRadiX HybridCombines RF and power in single interface
Southern California RFMini 50High-density SMA alternative

7. Selection Recommendations

Key selection criteria include:

  • Frequency Requirements: BNC ( 4 GHz) vs SMA ( 18 GHz) vs 2.92mm ( 40 GHz)
  • Environmental Factors: Outdoor applications require IP67+ rated N-Type
  • Mechanical Durability: >500 mating cycles for test environments
  • Impedance Matching: 75 for video/cable TV systems
  • Space Constraints: Miniaturized options (MMCX, U.FL) for mobile devices

Case Study: In 5G massive MIMO systems, engineers prefer 4.3-10 connectors over traditional N-Type due to 30% size reduction and improved PIM performance (<-160dBc).

8. Industry Trends

Emerging development directions include:

  • Extreme Frequency: 110 GHz+ connectors for 6G and automotive radar
  • Miniaturization: 1.0mm connectors for wearable IoT devices
  • High-Density Integration: Multi-port arrays with integrated filters
  • Material Innovation: Graphene-enhanced contacts for reduced insertion loss
  • Smart Connectivity: Embedded sensors for real-time VSWR monitoring

Market forecasts indicate a CAGR of 7.2% (2023-2028), driven by 5G expansion and satellite internet demand.

RFQ BOM Call Skype Email
Top