350-370MHz Drop-in Circulator: Your RF Signal's "Directional Protector"

In RF communication systems, signal purity and power stability are the cornerstones of link reliability. Today, we present the 5o Series Drop-in Circulator (Model: 5o1135380), engineered for demanding industrial and communication environments. It serves as a highly reliable solution for power amplifier protection, signal isolation, and routing.

I. Powerful performance, backed by data.

Precision Band Coverage

Optimized for the 350~370 MHz frequency range, it seamlessly integrates with mainstream communication architectures including digital, satellite, and mobile communication systems, meeting the signal processing requirements of diverse RF systems.Low 

Insertion Loss, High Isolation, Superior Matching

• Insertion Loss: ≤ 0.35 dB, maximizing signal transmission efficiency and minimizing energy loss;

• Isolation: ≥ 21 dB, effectively suppressing reverse signal interference and providing robust protection for power amplifiers;

• VSWR: ≤ 1.2, with excellent impedance matching to significantly reduce signal reflection risks.

High Power Handling, Stable Operation with Wide-Temperature

• Forward/Reverse Power Handling: 300W each, delivering stable performance under high-power signal surges;

• Operating Temperature: -40℃ ~ +85℃; Storage Temperature: -55℃ ~+125℃, ensuring consistent performance across extreme temperature ranges to meet industrial-grade reliability standards.

Compact & Integratable Design

With dimensions of only 35×38×11mm and a TAB connector interface, it easily embeds into PCB circuits, fitting into various compact device designs without occupying excess space.

II. Versatile Applications for Multiple Scenarios

• Communications: Transmit-receive  isolation in base stations, satellite, and mobile communication equipment, effectively preventing transmit-receive crosstalk;

• Medical & Security: RF link  protection for medical devices and security communication systems,  ensuring stable signal transmission;

• Military & Aerospace: Designed for radar and aerospace communication equipment in harsh environments,  meeting military-grade reliability requirements;

• Power Amplifier Protection: Efficiently isolates reflected power to prevent amplifier damage and significantly extend equipment service life.

III. Engineering-Focused Advantages

• Customizable dual-junction or multi-junction configurations are available to achieve higher isolation performance;

• Full customization options for frequency bands, power ratings,  and connector types, flexibly adapting to the unique requirements of  different projects;

• Backed by a 1-year standard warranty, ensuring both quality  assurance and reliable after-sales support.

Whether you are working on high-performance communication projects or mission-critical industrial/military applications, this drop-in circulator delivers consistent performance to safeguard your RF link.

For detailed specifications or custom solution inquiries, please feel free to contact us directly!