1.0mm vs 1.85mm(V): Specifications, Key Differences, and Selection Guide
1.0 mm vs 1.85 mm at a Glance — Quick Answer for Engineers
1.0 mm and 1.85 mm connectors are precision RF coaxial connectors designed for millimeter-wave applications. Both offer excellent electrical performance, but they differ in maximum operating frequency and intended use.
The 1.0 mm connector supports frequencies up to 110 GHz, making it ideal for cutting-edge millimeter-wave testing and next-generation communication technologies. The 1.85 mm connector supports frequencies up to 67 GHz and is widely used in RF measurement, aerospace, defense, and research applications.
Quick Summary
・Purpose: Both – Precision millimeter-wave RF measurements
・Maximum Frequency: 1.0 mm – 110 GHz / 1.85 mm – 67 GHz
・Coupling: Both – Threaded
・Performance: 1.0 mm – Ultra-high frequency / 1.85 mm – High-frequency precision
・Applications: 1.0 mm – Advanced mmWave systems / 1.85 mm – RF testing and measurement
What Are 1.0 mm Connectors?
1.0 mm connectors are ultra-high-frequency precision RF connectors designed for applications operating up to 110 GHz.
Their extremely small interface minimizes signal loss and reflection at millimeter-wave frequencies, making them suitable for advanced communication systems, semiconductor evaluation, research laboratories, and precision RF measurements.
Specifications
・Impedance: 50 Ohm
・Coupling: Threaded
・Frequency Range: DC to 110 GHz
・Typical Use: Millimeter-wave measurement and advanced RF testing
What Are 1.85 mm Connectors?
1.85 mm (V) connectors are precision RF coaxial connectors designed for high-frequency applications up to 67 GHz.
They provide excellent electrical performance, low VSWR, and reliable mechanical durability, making them widely used in RF test equipment, aerospace, defense, and laboratory measurement systems.
Specifications
・Impedance: 50 Ohm
・Coupling: Threaded
・Frequency Range: DC to 67 GHz
・Typical Use: RF testing, aerospace, defense, and laboratory equipment
Side-by-Side Comparison Table
| Specification | 1.0 mm | 1.85 mm | Why It Matters |
|---|---|---|---|
| Primary Purpose | Precision Millimeter-Wave Measurement | High-Frequency RF Measurement | Both are designed for precision RF applications. |
| Maximum Frequency | DC to 110 GHz | DC to 67 GHz | Select the connector based on the required operating frequency. |
| Coupling Mechanism | Threaded | Threaded | Both provide secure and stable RF connections. |
| Impedance | 50 Ohm | 50 Ohm | Both are standardized for precision RF systems. |
| Connector Size | Smaller Interface | Larger Interface | The 1.0 mm connector supports higher frequencies through its smaller interface. |
| Typical Applications | Millimeter-wave research, semiconductor testing, advanced communication systems | RF testing, aerospace, defense, laboratory equipment | Choose according to frequency requirements and application. |
| Compatibility | Not Directly Compatible | Not Directly Compatible | Different interface dimensions prevent direct mating. |
Key Differences Explained
1. Maximum Frequency
The most significant difference between 1.0 mm and 1.85 mm connectors is their maximum operating frequency.
The 1.0 mm connector supports frequencies up to 110 GHz, while the 1.85 mm connector is designed for applications up to 67 GHz.
2. Connector Interface
The 1.0 mm connector features a smaller interface that minimizes signal reflections and insertion loss at extremely high frequencies.
The 1.85 mm connector provides excellent performance while offering greater mechanical durability for routine laboratory use.
3. Typical Applications
The 1.0 mm connector is typically selected for cutting-edge millimeter-wave technologies and advanced semiconductor testing.
The 1.85 mm connector is commonly used in RF test equipment, aerospace, defense, and research laboratories where frequencies up to 67 GHz are required.
4. Performance Considerations
Both connectors deliver excellent RF performance, but the choice depends primarily on the required operating frequency.
For applications above 67 GHz, the 1.0 mm connector is the preferred solution, while the 1.85 mm connector provides an excellent balance of performance and durability for lower-frequency millimeter-wave applications.
Are 1.0 mm and 1.85 mm Compatible?
No.
Although both are precision RF connectors, they have different interface dimensions and are designed for different operating frequency ranges.
Using the wrong connector may damage the interface and degrade RF performance. A suitable precision adapter should be used when necessary.
How to Choose Between 1.0 mm and 1.85 mm
1. Choose 1.0 mm when...
・Frequencies above 67 GHz are required.
・Millimeter-wave testing is performed.
・Semiconductor characterization is conducted.
・Maximum RF performance is essential.
・Next-generation wireless technologies are being developed.
2. Choose 1.85 mm when…
・Frequencies up to 67 GHz are sufficient.
・General RF measurement equipment is used.
・Aerospace or defense applications require reliable RF performance.
・Long-term mechanical durability is important.
Technical Specifications Summary
| Item | 1.0 mm | 1.85 mm |
|---|---|---|
| Maximum Frequency | DC to 110 GHz | DC to 67 GHz |
| Coupling | Threaded | Threaded |
| Impedance | 50 Ohm | 50 Ohm |
| Connector Interface | 1.0 mm | 1.85 mm |
| Primary Application | Millimeter-wave research and semiconductor testing | RF testing, aerospace, defense, laboratory equipment |
1.0 mm vs 1.85 mm FAQs
QWhat is a 1.0 mm connector?
QWhat is a 1.0 mm connector?
A 1.0 mm connector is a precision RF coaxial connector designed for millimeter-wave applications up to 110 GHz. It is commonly used in advanced RF testing, semiconductor evaluation, and next-generation communication systems.
QWhat is the main difference between 1.0 mm and 1.85 mm connectors?
QWhat is the main difference between 1.0 mm and 1.85 mm connectors?
The primary difference is the maximum operating frequency. The 1.0 mm connector supports frequencies up to 110 GHz, while the 1.85 mm connector supports frequencies up to 67 GHz.
QCan 1.0 mm and 1.85 mm connectors be connected directly?
QCan 1.0 mm and 1.85 mm connectors be connected directly?
No. They have different interface dimensions and are not directly compatible. A precision adapter is required when connecting the two connector types.
QWhy should I choose a 1.0 mm connector instead of a 1.85 mm connector?
QWhy should I choose a 1.0 mm connector instead of a 1.85 mm connector?
Choose a 1.0 mm connector when your application requires operation above 67 GHz or demands the highest possible RF performance for millimeter-wave measurements.
QIs the 1.85 mm connector more durable than the 1.0 mm connector?
QIs the 1.85 mm connector more durable than the 1.0 mm connector?
Generally, yes. The larger interface of the 1.85 mm connector provides greater mechanical robustness, making it well suited for routine laboratory testing and repeated mating cycles.
QWhat applications use 1.0 mm connectors?
QWhat applications use 1.0 mm connectors?
1.0 mm connectors are commonly used in millimeter-wave research, semiconductor testing, high-frequency instrumentation, and advanced communication technology development.
QWhen should I choose a 1.85 mm connector?
QWhen should I choose a 1.85 mm connector?
Choose a 1.85 mm connector when your application operates up to 67 GHz and requires a balance of excellent RF performance, mechanical durability, and long-term reliability.
Purchase Guide
Tyclon coaxial connectors and processed coaxial cable products can be purchased directly online using a variety of credit cards.
