Coaxial Connectors (RF)

Coaxial Connectors (RF) - Adapters

Part Number	Description / PDF	Quantity
06-0100 NTE Electronics, Inc.	RF-F-FEMALE TO UHF MALE	320
06-0101 NTE Electronics, Inc.	RF CONN BNC TO UHF	0
06-0102 NTE Electronics, Inc.	RF CONN N JACK TO UHF	0
06-B027 NTE Electronics, Inc.	BNC JACK TO F JACK ADAPTER	196
06-U001 NTE Electronics, Inc.	MINI UHF PLUG TO UHF JACK ADAPTE	200
06-N010 NTE Electronics, Inc.	N JACK TO JACK ADAPTER	189
06-N017 NTE Electronics, Inc.	N PLUG TO PLUG ADAPTER	200
06-T005 NTE Electronics, Inc.	TNC PLUG TO JACK R/A ADAPTER	200
06-B014 NTE Electronics, Inc.	BULKHEAD ISOLATED JACK TO JACK A	200
06-B012 NTE Electronics, Inc.	BNC JACK TO JACK BULKHEAD ISOLAT	150
06-S007 NTE Electronics, Inc.	SMA BULKHEAD JACK TO JACK ADAPTE	279
06-B005 NTE Electronics, Inc.	BNC JACK TO JACK BULKHEAD ADAPTE	168
06-B011 NTE Electronics, Inc.	BNC T JACK TO PLUG TO JACK ADAPT	187
06-S010 NTE Electronics, Inc.	SMA T JACK TO PLUG TO JACK ADAPT	191
06-S013 NTE Electronics, Inc.	SMA JACK TO BNC JACK ADAPTER	295
06-N012 NTE Electronics, Inc.	N JACK TO BNC JACK ADAPTER	160
06-N015 NTE Electronics, Inc.	N PLUG TO JACK ADAPTER	200
06-B021 NTE Electronics, Inc.	BNC JACK TO JACK BULKHEAD ADAPTE	200
06-S014 NTE Electronics, Inc.	SMA JACK TO JACK ADAPTER	342
06-N011 NTE Electronics, Inc.	N PLUG TO JACK ADAPTER	180

Coaxial Connectors (RF) - Adapters

1. Overview

RF coaxial connector adapters are passive devices enabling seamless interface between different coaxial connector types or configurations. They maintain signal integrity in radio frequency (RF) systems by ensuring impedance matching and minimizing signal reflection. These adapters play a critical role in telecommunications, test equipment, aerospace, and industrial applications where reliable RF transmission is required.

2. Main Types and Functional Classification

Type	Function Features	Application Examples
BNC Adapters	Bayonet coupling, quick-connect, 50/75 variants, up to 4 GHz	Test instruments, CCTV systems
N-Type Adapters	Threaded coupling, weatherproof, 0-11 GHz, 50	Cellular base stations, microwave links
SMA Adapters	Threaded, compact, 0-18 GHz, 50	WiFi antennas, RF modules
F-Type Adapters	Compression fittings, 75 , CATV compatible	Cable TV splitters, satellite receivers
TNC Adapters	Threaded BNC variant, vibration-resistant	Military communication systems

3. Structure and Components

Typical physical construction includes:

Center conductor: Precision-machined brass or beryllium copper with gold plating
Dielectric insulator: PTFE or ceramic material maintaining precise spacing
Outer conductor/shield: Brass or stainless steel with nickel plating
Interface mechanism: Threaded (N, SMA), bayonet (BNC), or compression (F-type)

Advanced designs incorporate EMI shielding, environmental sealing (IP68), and low-PIM (Passive Intermodulation) materials.

4. Key Technical Specifications

Parameter	Typical Range	Importance
Frequency Range	DC-40 GHz (varies by type)	Determines application suitability
Impedance	50 or 75	Matching critical for VSWR
VSWR	1.1:1-1.5:1	Measures signal reflection
Insertion Loss	0.1-0.5 dB	Impacts signal strength
Durability	500-5000 mating cycles	Affects long-term reliability

5. Application Areas

Telecommunications: 5G base stations, fiber-wireless systems
Test & Measurement: Spectrum analyzers, signal generators
Aerospace: Avionics, satellite communication systems
Industrial: RFID readers, IoT gateways
Consumer: Set-top boxes, home networking equipment

6. Leading Manufacturers and Products

Manufacturer	Representative Products
Amphenol RF	QN Series quick-connect adapters
TE Connectivity	Deutsch N-Type aerospace adapters
Rosenberger	8GHz SMA calibration kits
Keysight Technologies	3.5mm precision test adapters
ITT Cannon	SL Series space-grade connectors

7. Selection Guidelines

Key considerations:

Match impedance (50 for data/telecom, 75 for video)
Verify frequency requirements (10% headroom recommended)
Assess environmental needs (IP rating, temperature range)
Evaluate mechanical requirements (mating cycles, vibration)
Check industry certifications (MIL-STD, RoHS, REACH)

Example: Selecting N-type female-to-SMA male adapter for 3.5GHz outdoor link requires IP67 rating and <1.3:1 VSWR.

8. Industry Trends

Miniaturization: Development of 1.0/2.3mm connectors for 5G mmWave
Higher frequencies: Adapters supporting 40+GHz for automotive radar
Material innovation: Use of beryllium-free alloys for safety
Smart connectivity: Integrated sensors for condition monitoring
Environmental focus: Lead-free plating and recyclable materials