What is a 2.92mm K Type RF Connector

Summary

The 2.92mm type rf connector, also called the K type rf connector, is one of the high-performance miniature connectors for high frequencies up to 40 GHz. They are compatible with SMA type and 3.5mm type rf connectors, with an impedance of 50 Ω series and a threaded coupling method for secure coupling.

Product List

Coaxial Cables with 2.92mmType RF Connectors

High-performance cables with 2.92mm plugs or jacks at both ends and up to 40GHz are produced at a slightly lower cost. The total length ranges from 300 mm to 1,000 mm. 1 piece can be made to order, with a delivery time of 2 to 5 weeks depending on the production lot.

> Plug - Plug
> Jack - Jack

High Frequency Test Cables

We have an extensive lineup of high-frequency measurement cables with 2.92 mm K connectors attached, which can be combined with SMA connectors and other connectors. Please refer to the product page for specifications.

TC-048 40GHz compatible, High Frequency

TC-048 is a high-end cable for measurement at 40 GHz with low loss and high phase stability, triple-shielded and stable against bending and temperature, making it ideal for network analysis and other measurement applications.
Connectors can be selected from 2.92 mm (plug and jack), SMA (plug and jack), and 3.5 mm (plug and jack).
Non-magnetic 2.92 mm (plug) is also available.

Please check the below pages for detailed cable specifications, electrical characteristics, etc.,

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TC-120 50GHz compatible, Low loss

TC-120 is a high-end 50 GHz compatible, low-loss, high-phase stability, precision grade cable with triple-shielded, bend-resistant, and temperature-stable characteristics, ideal for network analysis and other measurement applications.
Connectors can be selected from 2.4 mm (plug, jack), 2.92 mm (plug, jack), and SMA (plug, jack).
Non-magnetic1.85 mm (plug and jack) is also available, but only up to 50 GHz. In addition to the standard type, an armored type with stainless steel tube reinforcement can be selected.

Please check the below pages for detailed cable specifications, electrical characteristics, etc.,

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TC-054 60GHz compatible, High Flexibility

This is a 0.085-inch (RG405) equivalent cable that is highly flexible and maintains stable characteristics up to the millimeter wave band. It can be used in a wide range of applications due to its wide variety of compatible connectors and relatively low cost.

Connectors can be selected from 1.85 mm (plug), 2.92 mm (plug, jack), SMA (plug, L plug, jack), N (plug), and others on request.
The 1.85 mm cable core is pinned, allowing it to be utilized up to 60 GHz with very low reflection

Please check the below pages for detailed cable specifications, electrical characteristics, etc.,

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Custom-order Semi-flexible Cables

Semi-flexible cable that supports frequencies from 18 to 40 GHz. It is a shape memory type and can be bent to some extent, but it is a coaxial cable with high shielding properties and low loss (attenuation). Cables can be selected according to 3 types of thickness and presence/absence of coating.
It can be attached to small connectors for high frequencies such as SMA, N, 2.92mm (K), and SMP. Compatible connectors differ for each cable.

0.085 inches  SF-021 Semi-flexible RF Cables

A semi-flexible rf cable equivalent to 0.085 inches. Select SF-021 (No Jacket) or SF-030 (With Jacket) depending on the presence or absence of sheath. 2.92mm is only available without jacket.

Connectors are available in SMA type(Plug,Right Angle Plug,Jack,Flange Jack,Bulkhead Jack), 2.92mm K type(Plug, Jack) , N(Plug, Jack) and SMP type.

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Custom-order Semi-rigid Cables

Semi-rigid cables for frequency bands from 18 to 50 GHz. This coaxial cable uses a seamless metal tube to ensure higher shielding and less attenuation than semi-flexible cables.
Cables can be ordered in 5 different diameters, and bending can also be customized. The cable can be attached to SMA, N, 2.92mm(K), 2.4mm, 1.8mm(V), and other small connectors for high-frequency applications.

0.141 inches SR-001 Semi-rigid RF Cables

0.141 inch equivalent semi-rigid rf cable. Best suited for high-precision phase control.

Connectors are available in SMA type(Plug, Jack, Right Angle Plug, Flange Jack), 2.92mm K type(Plug), N type(Plug, Jack) and TNC type.

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0.085 inches SR-002 Semi-rigid RF Cables

0.085 inch equivalent semi-rigid rf cable. Boasting the largest number of compatible connectors in the lineup, you can consult us about support up to 50GHz.

Connectors are available in SMA type(Plug, Jack, Right Angle Plug, Flange Jack, Bulkhead Jack), 2.92mm K type(Plug, Jack), N type(Plug, Jack), 1.85mm V type(Plug), SMP type.

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0.047 inches SR-003 Semi-rigid RF Cables

A semi-rigid rf cable equivalent to 0.047 inches. Boasts a wide variety of compatible connectors.

Connectors are available in SMA type(Plug, Jack, Right Angle Plug, Flange Flange), 2.92mm K type(Plug, Jack, Flange Jack) and 2.4mm type(Jack, Flange Jack).

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0.034 inches SR-004 Semi-rigid RF Cables

A semi-rigid rf cable equivalent to 0.034 inches. The thinnest cable.

Connectors are available in SMA type(Plug, Jack, Flange Jack) and 2.92mm K type(Plug, Jack, Flange Jack).

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2.92mm K Type RF Connector Features

High frequency

We have a lineup of products that can be used in the high-frequency band from DC to 40 GHz. The air dielectric and the 2.92mm outer diameter allows for higher frequencies than SMA connectors.

Compatibility

The 2.92mm K connectors are mutually compatible with SMA and 3.5mm and can be mated.

Compact Size

The small size of the connector allows for high-density mounting in a small space, not only for wiring within devices but also for connection between subassemblies and between devices that make up a device.

2.92mm K Type RF Connector Applications

Satellite mount, military equipment, aviation equipment, network analyzers, etc.

2.92mm K Type RF Connector Standards & Dimensions

01

Compatible Standards

IEC 61169-35, MIL-STD-348A

02

Impedance

50Ω

03

Coupling Method (Connection)

Threaded Coupling 1/4-36UNS-2A, 2B

04

Voltage Rating

AC 250V

05

Maximum Voltage

AC 750V one minute

06

Insulation Resistance

5,000 mΩ min. at 500V DC

07

Contact Resistance

3.0mΩ max.(Center) / 2mΩ max.(Outer)

08

Frequency Range

DC to 40GHz

Note: The figures provided are typical values. For further details, please contact us.

2.4mm Type RF Connector FAQ

QWhat is the difference between SMA and K connectors?

A

The inner conductor diameter of the 2.92mm K connector is 1.27mm, the same as the SMA connector and 3.5mm connector. It uses an air dielectric, the outer diameter is 2.92mm. This allows for an even higher waveguide mode cutoff frequency, achieving an operating frequency of DC to 40GHz.

> SMA
> 3.5mm

QWhy is there a conversion connector for SMA connectors when it is compatible with SMA connectors?

A

SMA, 3.5mm, and 2.92mm are compatible and can be mated. Therefore between series adapters are useful at research facilities, universities, and other sites where severe measurements are required.

> 2.92K - SMA

QAre there connectors with higher frequency and smaller sizes?

A

The SMA connector is designed for 18 GHz, the 3.5 mm connector for 26.5 GHz, and the 2.92 mm K connector for 40GHz.
Smaller SMP connectors are also available up to 40GHz.

> SMP

Catalog

2.92mm K Type RF Connector Catalog

Please note that you only need to register as a member for the first time.

Download 2.92mm K Catalog