Coaxial Connectors (RF)

Part Number	Description / PDF	Quantity
305-5TP Triplett Test Equipment and Tools	BNC CRIMP CRIMP CONN MALE 10 PK	800
302-8240CSTP Triplett Test Equipment and Tools	BNC COMPRESSION CONN MALE 10 PK	80
0406-4TP Triplett Test Equipment and Tools	F CRIMP CONN MALE 75 OHM- 10 PK	30
301-4TP Triplett Test Equipment and Tools	BNC TWIST ON CONN MALE 10 PACK	100
301-00TP Triplett Test Equipment and Tools	BNC CRIMP ON CONN MALE 10 PACK	100
307-18-4TP Triplett Test Equipment and Tools	BNC MALE 4 PC CRIMP WITH D 10PK	500
307-2TP Triplett Test Equipment and Tools	BNC CRIMP CRIMP CONN MALE 10 PK	100
301-1TP Triplett Test Equipment and Tools	BNC TWIST ON CONN MALE 10 PACK	10
280-1TP Triplett Test Equipment and Tools	MINI UHF CONN MALE 50 OHM 10 PK	0
307-18TP Triplett Test Equipment and Tools	BNC CRIMP CRIMP CONN MALE 10 PK	100
0406-6TOTP Triplett Test Equipment and Tools	TWIST ON F CONNECTOR MALE 10 PK	30
302-00CSTP Triplett Test Equipment and Tools	BNC COMPRESSION CONN MALE 10 PK	100
305-10TP Triplett Test Equipment and Tools	BNC CRIMP CRIMP CONN MALE 10 PK	30
0406-1TP Triplett Test Equipment and Tools	F CRIMP CONN MALE 75 OHM 10PACK	0
400-9913 Triplett Test Equipment and Tools	N SERIES CONNECTOR MALE	80
302-8241CSTP Triplett Test Equipment and Tools	BNC COMPRESSION CONN MALE 10 PK	0
307-5TP Triplett Test Equipment and Tools	BNC CRIMP CRIMP CONN MALE 10 PK	600
301-5TP Triplett Test Equipment and Tools	BNC MALE CRIMP-ON FOR RG6 10 PK	800
302-18CSGTP Triplett Test Equipment and Tools	BNC ML COMPRES FOR RGB CAB 10PK	800

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

Type	Functional Features	Typical Applications
BNC	Bayonet coupling, 50/75 impedance, quick-connect	Test instruments, video systems, 10BASE-T Ethernet
N-Type	Threaded coupling, 50 , weatherproof	Cellular base stations, microwave links, broadcast equipment
SMA	Threaded, 0-18 GHz range, compact size	Wi-Fi antennas, GPS modules, RF modules
F-Type	Compression fitting, 75 impedance	Cable TV, satellite TV, CATV systems
LC	Miniature threaded, low PIM design	High-density telecom equipment, 5G infrastructure

3. Structure and Components

A typical RF coaxial connector consists of four key elements:

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

4. Key Technical Specifications

Parameter	Description	Importance
Frequency Range	0.01-110 GHz (varies by type)	Determines maximum usable bandwidth
Impedance	50 (standard) or 75	Matches cable/system requirements
VSWR	1.2:1 (typical) - 1.5:1 (high-performance)	Measures signal reflection efficiency
Insertion Loss	0.1-0.5 dB (varies with frequency)	Impacts signal strength preservation
Withstanding Voltage	500V-3000V AC	Safety 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

Manufacturer	Key Products	Special Features
Amphenol	Series 5000 N-Type	IP68 rating, 0-11 GHz
TE Connectivity	Deutsch DMC	Military-grade vibration resistance
Rosenberger	4.3-10 Connector	70% smaller than N-Type, 6 GHz
Huber+Suhner	RadiX Hybrid	Combines RF and power in single interface
Southern California RF	Mini 50	High-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.