Precision RF & Microwave Components

Coaxial components engineered to 110 GHz

Precision RF connectors, adapters, terminations and microwave components for test & measurement, aerospace, defense and telecom applications. Direct-from-factory supply with fast lead times and flexible order quantities.

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At a glance
Frequency range
DC – 110 GHz
Impedance
50 Ω standard
Interfaces
N / TNC / BNC / SMA
Precision series
APC-7 / 3.5 / 2.92 / 2.4 mm
Millimeter wave
1.85 mm / 1.0 mm
Quality system
ISO 9001:2015
DC – 110 GHzFrequency coverage
3,000+Product types
ISO 9001:2015Quality certified
SamplesAvailable on request
Product range

A complete coaxial component portfolio

From standard laboratory connectors to millimeter-wave precision components, our catalog covers the full signal chain — with custom and OEM configurations available on request.

RF coaxial connector range

RF Coaxial Connectors

Precision male and female connectors across the full interface range, in straight, right-angle, bulkhead and flange mounting styles.

N · TNC · BNC · SMA · SSMA · SMP · BMA
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Coaxial adapter series

Adapters

In-series and between-series coaxial adapters for laboratory, production test and system integration, with matched VSWR performance.

In-series · Between-series · Right-angle
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Terminations & Loads

Matched coaxial terminations from low-power laboratory loads to medium-power units for amplifier and system testing.

Low power · Medium power · Precision
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Fixed coaxial attenuator

Fixed Attenuators

Coaxial fixed attenuators with values from 1 to 40 dB, offering flat frequency response and low return loss.

3 / 6 / 10 / 20 / 30 dB · 2 W – 50 W
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DC Blocks

Inner and outer DC blocks that isolate DC while passing RF, protecting sensitive instruments and active devices.

Inner · Outer · N / SMA / BNC series
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Waveguide to coaxial transition

Waveguide Transitions

Waveguide-to-coaxial transitions for millimeter-wave bands, covering WR-series rectangular waveguides to 1.0 mm coax.

WR-series · 40 – 110 GHz
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RF feedthrough insulator

Feedthrough Insulators

Single-pin and multi-pin RF feedthrough insulators for hermetic and non-hermetic package applications.

DC – 73 GHz · 0.23 – 0.51 mm pin
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Isolators & Circulators

Ferrite isolators and circulators for protecting sources and improving isolation in transmit and receive chains.

Coaxial · Drop-in · Waveguide
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Cable Assemblies

Custom coaxial cable assemblies built to drawing, with controlled electrical length and connector combinations.

Semi-rigid · Flexible · Test grade
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Interface standards

Every major coaxial interface, under one roof

Standard, miniature and precision interfaces — from 50 Ω general-purpose types through to millimeter-wave precision connectors designed for repeatable measurement.

N TNC TNC-A BNC BMA SMA SSMA SMP APC-7 3.5 mm 2.92 mm 2.4 mm 1.85 mm 1.0 mm
Why North RF

Built for buyers who need parts, not problems

01

Direct supply chain

Components supplied direct from qualified production, with no unnecessary layers between you and the factory.

02

Fast, reliable lead times

Standard catalog items typically ship within 1–2 weeks. Expedited options available for urgent requirements.

03

Samples before commitment

Evaluate form, fit and electrical performance on real parts before you place a production order.

04

Custom & OEM capability

Non-standard interfaces, cable assemblies and bespoke mechanical configurations built to your drawing.

05

Verified electrical performance

VSWR, insertion loss and return loss characterized across the operating band and stated per part number.

06

Responsive technical support

Clear communication on specifications, cross-references and application questions.

Product gallery

Inside the catalog

A selection of components from our range — photographed from stock items. Every part is supplied with its specification on request.

RF coaxial connector range
RF coaxial connectors — flange & detachable series
Bulkhead adapter connectors
Bulkhead connectors & adapters
Right angle RF adapters
Right-angle & between-series adapters
SSMA and SMP millimeter wave adapters
SSMA / SMP millimeter-wave adapters
Precision in-series adapters
Precision in-series adapters
High frequency connector group
High-frequency connector range
Typical performance

Interface performance at a glance

Indicative maximum operating frequency and VSWR for each interface family. Exact values are specified per part number — contact us for a detailed datasheet.

Interface Frequency range Typical VSWR Nominal impedance Application
NDC – 18 GHz< 1.15:150 ΩGeneral purpose, ruggedized systems
TNCDC – 18 GHz< 1.15:150 ΩVibration-resistant threaded coupling
BNCDC – 4 GHz< 1.20:150 ΩQuick-connect instrumentation
SMADC – 27 GHz< 1.15:150 ΩSub-miniature, high-density RF
APC-7DC – 18 GHz< 1.15:150 ΩMetrology & calibration, sexless
3.5 mmDC – 33 GHz< 1.15:150 ΩPrecision laboratory measurement
2.92 mmDC – 40 GHz< 1.15:150 ΩPrecision test, mode-free to 40 GHz
2.4 mmDC – 50 GHz< 1.15:150 ΩMillimeter-wave instrumentation
1.85 mmDC – 65 GHz< 1.25:150 ΩMillimeter-wave test and systems
1.0 mmDC – 110 GHz< 1.35:150 ΩHighest-frequency precision measurement
Note: the figures above are typical catalog values for the interface family. Electrical performance, materials and mechanical dimensions are specified individually per part number and are confirmed on quotation. Custom frequency bands and impedance options are available on request.
Applications

Where our components are used

Test & Measurement

VNA calibration kits, laboratory adapters and precision terminations for repeatable measurement.

Aerospace & Defense

Ruggedized connectors and assemblies for radar, EW and airborne RF front ends.

Telecommunications

Base station, backhaul and high-density interconnect components for RF subsystems.

Research & Instrumentation

Millimeter-wave components for universities, national laboratories and instrument builders.

Need a price or a datasheet?

Send us the part number, interface type or your requirement and we will respond with availability, specification and quotation — normally within 24 business hours.

sales@northrf.com Send a detailed enquiry