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- Phone：+86 17702828378
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- WA：+86 17702828378
- Mail：sales@yusntech.com
- Address：Room 3, Floor 1, Building 13, No. 69, East Section of Hangkong Road, Dongsheng Subdistrict, Shuangliu District, Chengdu City, Sichuan Province.
Coaxial Isolators
YUSNTECH Coaxial Isolators are designed to protect RF and microwave systems from reflected power while maintaining low insertion loss, high isolation, and excellent signal integrity. Available across a wide range of frequencies and power levels, our isolators support commercial, industrial, aerospace, defense, satellite communication, radar, electronic warfare, and test & measurement applications. Standard and custom solutions are available with various connector types, power ratings, and mechanical configurations to meet demanding RF and microwave system requirements.
Features
- Wide frequency coverage
- High isolation and low insertion loss
- Compact coaxial design for easy integration
- High power handling capability
- Excellent VSWR for reliable signal matching
Applications
- Wide frequency coverage
- High isolation and low insertion loss
- Compact coaxial design for easy integration
- High power handling capability
- Excellent VSWR for reliable signal matching
Model↑↓ | Freq. (GHz) | IL. (dB Max) | Isolation (dB Min) | VSWR | CW Power (w) | Rev Power (w) | Conn. | Inquiry |
|---|---|---|---|---|---|---|---|---|
| YSCI50-30M-40M-N | 0.03-0.04 | 2.0 | 20 | 1.3 | 50 | 20 / 50 | SMA / N | Inquiry |
| YSCI150-40M-R4-N | 0.04-0.4 | 1.8 | 23 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R1-R22-S | 0.1-0.22 | 0.8 | 23 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI300-R1-R22-N | 0.1-0.22 | 0.8 | 23 | 1.30 | 300 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R15-R33-S | 0.15-0.33 | 0.9 | 23 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI300-R15-R33-N | 0.15-0.33 | 0.9 | 23 | 1.30 | 200 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R25-1R4-S | 0.25-1.4 | 0.8 | 25 | 1.6 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI300-R25-1R4-N | 0.25-1.4 | 0.8 | 25 | 1.60 | 300 | 20 / 100 | SMA / N | Inquiry |
| YSCI100-R3-1R85-N | 0.3-1.85 | 0.8 | 25 | 1.35 | 100 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R3-1R85-S | 0.3-1.85 | 0.8 | 25 | 1.35 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R7-2R2-S | 0.7-2.2 | 0.6 | 23 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R7-2R7-S | 0.7-2.7 | 0.6 | 25 | 1.30 | 150 | 20 / 100 | SMA | Inquiry |
| YSCI150-R7-5-N | 0.7-5 | 0.7 | 25 | 1.35 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-R7-5-S | 0.7-5 | 0.6 | 25 | 1.35 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI100-R9-5R9-S | 0.9-5.9 | 0.45 | 25 | 1.30 | 100 | 20 / 100 | SMA | Inquiry |
| YSCI150-R95-2-S | 0.95-2 | 0.8 | 17 | 1.40 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-1R25-3-N | 1.25-3 | 0.8 | 18 | 1.5 | 150 | 20 | SMA / N | Inquiry |
| YSCI100-1R5-3R6-N | 1.5-3.6 | 0.7 | 18 | 1.35 | 100 | 20 / 100 | SMA / N | Inquiry |
| YSCI150-2-4-N | 2-4 | 0.5 | 20 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI50-2-6-S | 2-6 | 1.7 | 12 | 1.6 | 50 | 20 | SMA | Inquiry |
| YSCI20-2-8-S | 2-8 | 1.7 | 15 | 1.60 | 20 | 10 | SMA | Inquiry |
| YSCI150-3-6-N | 3-6 | 0.5 | 20 | 1.30 | 150 | 20 / 100 | SMA / N | Inquiry |
| YSCI100-4-8-S | 4-8 | 0.6 | 20 | 1.30 | 100 | 20 | SMA | Inquiry |
| YSCI100-5-7R4-S | 5-7.4 | 0.6 | 23 | 1.30 | 100 | 10 | SMA | Inquiry |
| YSCI30-6-12-S | 6-12 | 0.6 | 23 | 1.45 | 30 | 10 | SMA | Inquiry |
| YSCI30-6-18-S | 6-18 | 1.5 | 20 | 2.0 | 30 | 10 | SMA | Inquiry |
| YSCI30-9-18R5-S | 9-18.5 | 0.6 | 23 | 1.35 | 30 | 10 | SMA | Inquiry |
| YSCI10-17-31-K | 17-31 | 1.2 | 20 | 1.30 | 10 | 2 | 2.92 mm | Inquiry |
FAQ
A coaxial RF isolator is a non-reciprocal passive microwave component designed to allow RF signals to pass in one direction while suppressing reflected signals in the opposite direction. By absorbing reverse power caused by impedance mismatches, RF isolators help protect power amplifiers, transmitters, receivers, and other sensitive microwave components from damage and performance degradation.
Coaxial isolators improve system stability, reduce signal reflections, protect high-value RF components, and maintain signal integrity. They are widely used in radar systems, satellite communications, aerospace electronics, electronic warfare systems, wireless infrastructure, and RF test equipment where reflected power can negatively impact performance.
YUSNTECH offers coaxial isolators covering a broad frequency range from VHF and UHF bands through microwave and millimeter-wave frequencies. Standard and custom frequency ranges are available to meet the requirements of commercial, industrial, defense, aerospace, satellite communication, and scientific applications.
Key selection factors include operating frequency, insertion loss, isolation, VSWR, forward power handling, reflected power handling, connector type, environmental conditions, and mechanical size. YUSNTECH engineers can recommend optimized solutions based on specific system requirements.
An RF isolator is typically a two-port device that allows signal transmission in one direction while absorbing reverse energy. A circulator is generally a three-port device that routes signals sequentially between ports. Many isolators are derived from circulator technology with an internal termination load.
The required isolation depends on the application. Most RF and microwave systems use isolators with isolation values ranging from 18 dB to 25 dB, while high-performance radar, aerospace, and electronic warfare systems may require even higher isolation to ensure maximum protection and system stability.
Coaxial isolators are available in a wide range of power ratings, from low-power laboratory and communication applications to high-power radar and transmitter systems. Both continuous-wave (CW) power and reflected power handling capabilities should be considered during product selection.
Yes. YUSNTECH provides custom coaxial isolator solutions including custom frequency bands, power ratings, connector interfaces, isolation requirements, mechanical dimensions, temperature ranges, and specialized designs for aerospace, defense, satellite, and industrial applications.
Common connector options include SMA, N Type, TNC, 2.92 mm, 2.4 mm, and other industry-standard RF interfaces. Custom connector configurations are also available upon request.
Coaxial microwave isolators are widely used in satellite communication systems, radar systems, electronic warfare equipment, RF power amplifiers, wireless communication infrastructure, aerospace electronics, defense systems, microwave instrumentation, and laboratory test platforms.
Insertion loss represents the signal power lost when passing through the isolator. Lower insertion loss improves overall system efficiency, increases available output power, and helps maintain signal quality in high-performance RF and microwave applications.
Reflected power caused by antenna mismatches, load variations, or system faults can damage expensive RF amplifiers and transmitters. A properly selected RF isolator absorbs reverse energy and helps extend equipment life while improving operational reliability.