1.85 mm V RF Connectors Guide: Types, Structure, and Uses Explained

What are 1.85 mm V RF Connectors?

The 1.85 mm V connector is a high-performance miniature connector for frequencies up to 67 GHz. It is compatible with the 2.4 mm connector. The 2.92 mm K, 3.5 mm, and SMA connectors are not compatible. It features a 50 Ω impedance and a screw coupling method for secure connection.

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1.85 mm V RF Connectors by Type

High-Frequency Test Cables

We offer high-frequency measurement cables with 1.85 mm V connectors, compatible with other connectors such as SMA. Please refer to the product page for specifications.

TC-054 60 GHz Compatible High-Flexibility, High-Frequency RF Test Cable

This 0.085-inch (RG405) equivalent cable is highly flexible and maintains stable performance up to the millimeter wave band. It is suitable for a wide range of applications, offering a variety of compatible connectors at a relatively low cost.

Connectors available include 1.85 mm type (plug), 2.92 mm type (plug, jack), SMA type (plug, L plug, jack), N type (plug), and others upon request. The 1.85 mm V-type cable core is pinned, ensuring low reflection and use up to 60 GHz.

For detailed cable specifications, electrical characteristics, and more, please refer to the pages below.

TC-054, 60 GHz compatible, High Flexibility

Custom Semi-Rigid Cables

Semi-rigid cables with 1.85 mm V connectors are available and can be paired with other connectors, including SMA. Please refer to the product page for specifications.

0.085-inch SR-002 Semi-Rigid RF Cables

0.085 inch equivalent semi-rigid RF cable, offering the widest range of compatible connectors. We can support up to 50 GHz.For detailed cable specifications, electrical characteristics, and more, please refer to the pages below.

0.085-inch SR-002

1.85 mm V RF Connector Features

High-Frequency

Our product lineup covers the DC to 67 GHz high-frequency range. By replacing the Teflon insulator with air and increasing the outer diameter to 1.85 mm, these connectors can support even higher frequencies than SMA connectors.

Compatibility

1.85 mm V connectors are compatible with 2.4 mm connectors but not with SMA, 3.5 mm, or 2.92 mm K connectors.

Compact Connector for High-Density Mounting in Tight Spaces

The compact connector allows high-density mounting in tight spaces, enabling wiring within equipment and connections between subassemblies and equipment.

1.85 mm V RF Connector Applications

The 1.85 mm V RF Connector is ideal for use in satellite onboard systems, military equipment, aviation onboard technology, and network analyzers. Engineered for high-performance applications, it ensures reliable signal transmission in demanding environments, making it a preferred choice for professionals who require precision and durability in their RF connections.

1.85 mm V RF Connector: Standards & Technical Specifications

01

Compatible Standards

1.85 mm V RF Connector: Standards & Technical Specifications

02

Nominal Impedance

Impedance rating is 50 Ω, indicating compatibility with most standard RF equipment.

03

Coupling Method (Connector Interface)

Connectors securely join using threaded coupling M7 P0.75-6H, 6g for stable signal transmission.

04

Working Voltage (Rated Voltage)

Rated for standard operating voltage of up to 160 V AC.

05

Maximum Withstanding Voltage

Safely withstands up to 500 V AC for one minute without electrical breakdown.

06

Insulation Resistance

Minimum insulation resistance of 5,000 MΩ when tested with DC 500 V, ensuring electrical safety.

07

Contact Resistance

Maximum contact resistance of 4.0 mΩ (Center) / 2.5 mΩ (Outer) when conducting DC current of 1 A, ensuring efficient connection.

08

Frequency Range

Suitable for signals within frequency range from DC to 67 GHz.

1.85 mm V RF Connector FAQs

QWhat is the difference between 1.85 mm and SMA connectors?

A

The 1.85 mm V connector features a 1.85 mm outline by replacing the Teflon insulator with air, allowing for a higher waveguide mode cutoff frequency and supporting an operating range from DC to 67 GHz. The SMA, 3.5 mm, and 2.92 mm K connectors have similar shapes but are not compatible, while the 2.4 mm connector is mated.

> SMA
> 3.5mm
> 2.92mm K
> 2.4mm

QAre there connectors with even higher frequency and smaller size?

A

Our product lineup now includes 1.0 mm connectors supporting frequencies up to 110 GHz. Please note that these connectors are not compatible with 1.85 mm connectors.

Learn more about our 1.0 mm connectors

QWhat is the maximum operating frequency of the 1.85 mm V connector?

A

The 1.85 mm V connector series is engineered for superior high-frequency performance. It is designed to operate reliably from direct current up to a maximum frequency of 67 GHz, making it ideal for advanced, high-speed applications.

QHow does the 1.85 mm V connector achieve such a high frequency?

A

The connector's high-frequency capability comes from its unique design. By using air as the dielectric and reducing the outer conductor's diameter to 1.85 mm, the waveguide mode cutoff frequency is significantly increased, allowing for stable performance.

QWhat is the standard impedance for the 1.85 mm V connector series?

A

The 1.85 mm V connector is designed to maintain a precise characteristic impedance of 50 Ω. This ensures minimal signal reflection and maximum power transfer in high-frequency systems, which is critical for maintaining signal integrity.

QWhich international standard do 1.85 mm V connectors comply with?

A

These connectors are manufactured to meet the rigorous specifications of the International Electrotechnical Commission 61169-32 standard. This compliance ensures interoperability and consistent performance for all connectors in the 1.85 mm V series.

QWhat are the typical applications for 1.85 mm V connectors?

A

Due to their high-frequency performance and reliability, these connectors are primarily used in demanding fields. Key applications include satellite communications, military and aviation equipment, and precision instruments like network analyzers.

QWhat type of coupling mechanism does the 1.85 mm V connector use?

A

This connector series utilizes a threaded coupling mechanism with a specific M7 P0.75-6H, 6g thread size. This robust screw-on design ensures a secure and stable connection that is resistant to vibration and guarantees consistent electrical performance.

QCan I mate a 1.85 mm V connector with a 2.4 mm connector?

A

Yes, the 1.85 mm V connector is designed to be mechanically compatible and intermateable with the 2.4 mm connector series. This allows for seamless integration between systems that use either of these high-frequency connector types without performance loss.

QWhat are the key electrical specifications like voltage and insulation?

A

The 1.85 mm V connector has a rated voltage of 160 V alternating current and can withstand 500 V for one minute. It also features a minimum insulation resistance of 5,000 MΩ, ensuring excellent electrical isolation.

QWhy is the miniature size of the 1.85 mm V connector beneficial?

A

Its miniature size is a significant advantage for modern electronics, enabling high-density mounting on printed circuit boards. This allows engineers to design more compact and complex equipment without sacrificing the connector's high-frequency performance.

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