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Typical Microstrip Circulator

S Band, C Band, X Band, Ku Band, K Band, Ka Band (2GHz-40GHz)

Hzbeat's Typical Microstrip Circulator is designed to deliver stable and efficient signal routing across a wide frequency range of 2 GHz to 40 GHz, covering S, C, X, Ku, K, and Ka bands. Engineered for compact, high-integration RF and microwave systems, it provides excellent isolation, low insertion loss, and strong reliability. This makes it ideal for modern wireless communication, radar, medical imaging, and RF front-end modules.

Typical Microstrip Circulator
Typical Microstrip Circulator
Typical Microstrip Circulator
Typical Microstrip Circulator
Typical Microstrip Circulator
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Product Details

Characteristics and Applications

Key Highlights:

  • Seamless integration with microstrip circuits for high reliability
  • Wideband coverage: 2–40 GHz full-band operation
  • Low insertion loss & high isolation across all frequency bands
  • CW/CCW direction options available
  • Qualified for –55 °C ~ +85 °C operating temperature
  • Compatible with diverse applications — from 5G and radar to MRI and spectrum analysis

Typical Applications

  • Wireless Communication Systems — 5G/6G base stations, satellite terminals
  • Radar and Electronic Countermeasure Systems — duplexing and routing isolation
  • Medical Imaging (MRI) — RF transmission and reception modules
  • Spectrum Analysis and Test Equipment
  • Industrial and Automation Systems — requiring high-frequency, high-reliability signal control

Electrical Performance Table and Product Appearance

2.7~4.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA27T35G⬇ 2.7~3.5 FULL 0.6 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB27T35G⬇ 2.7~3.5 FULL 0.6 18 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA28T36G⬇ 2.8~3.6 FULL 0.6 20 1.3 -55~+85℃ 20/10 Clockwise
HMCTB28T36G⬇ 2.8~3.6 FULL 0.6 20 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA29T32G⬇ 2.9~3.2 FULL 0.5 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB29T32G⬇ 2.9~3.2 FULL 0.5 18 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA30T40G⬇ 3.0~4.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB30T40G⬇ 3.0~4.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Counter Clockwise
2.7~4.0GHz Microstrip Circulator Appearance
3.5~5.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA35T45G⬇ 3.5~4.5 FULL 0.6 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB35T45G⬇ 3.5~4.5 FULL 0.6 18 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA37T39G⬇ 3.7~3.9 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB37T39G⬇ 3.7~3.9 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA40T50G⬇ 4.0~5.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB40T50G⬇ 4.0~5.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
3.5~5.0GHz Microstrip Circulator Appearance
4.8~8.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA48T54G⬇ 4.8~5.4 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB48T54G⬇ 4.8~5.4 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA50T80G⬇ 5.0~8.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTA50T80G⬇ 5.0~8.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Counter Clockwise
4.8~8.0GHz Microstrip Circulator Appearance
5.0~6.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA50T60G⬇ 5.0~6.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB50T60G⬇ 5.0~6.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
5.0~6.0GHz Microstrip Circulator Appearance
7.0~9.5GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA70T95G⬇ 7.0~9.5 FULL 0.6 17 1.35 -55~+85℃ 20/10 Clockwise
HMCTB70T95G⬇ 7.0~9.5 FULL 0.6 17 1.35 -55~+85℃ 20/10 Counter Clockwise
HMCTA75T95G⬇ 7.5~9.5 FULL 0.5 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB75T95G⬇ 7.5~9.5 FULL 0.5 18 1.3 -55~+85℃ 20/10 Counter Clockwise
7.0~9.5GHz Microstrip Circulator Appearance
8.0~18.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA80T120G⬇ 8.0~12.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Clockwise
HMCTB80T120G⬇ 8.0~12.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Counter Clockwise
HMCTA85T105G⬇ 8.5~10.5 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB85T105G⬇ 8.5~10.5 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA90T120G⬇ 9.0~12.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB90T120G⬇ 9.0~12.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA110T130G⬇ 11.0~13.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB110T130G⬇ 11.0~13.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA120T150G⬇ 12.0~15.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB120T150G⬇ 12.0~15.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA120T180G⬇ 12.0~18.0 FULL 0.7 16 1.4 -55~+85℃ 20/10 Clockwise
HMCTB120T180G⬇ 12.0~18.0 FULL 0.7 16 1.4 -55~+85℃ 20/10 Counter Clockwise
8.0~18.0GHz Microstrip Circulator Appearance
8.0~18.0GHz Microstrip 'Y' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCYA80T120G⬇ 8.0~12.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Clockwise
HMCYB80T120G⬇ 8.0~12.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Counter Clockwise
HMCYA85T105G⬇ 8.5~10.5 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB85T105G⬇ 8.5~10.5 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA90T120G⬇ 9.0~12.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB90T120G⬇ 9.0~12.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA110T130G⬇ 11.0~13.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB110T130G⬇ 11.0~13.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA120T150G⬇ 12.0~15.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Clockwise
HMCYB120T150G⬇ 12.0~15.0 FULL 0.5 18 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCYA120T180G⬇ 12.0~18.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Clockwise
HMCYB120T180G⬇ 12.0~18.0 FULL 0.6 16 1.35 -55~+85℃ 20/10 Counter Clockwise
8.0~18.0GHz Microstrip Circulator Appearance
14.0~20.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA140T160G⬇ 14.0~16.0 FULL 0.5 20 1.3 -55~+85℃ 20/10 Clockwise
HMCTB140T160G⬇ 14.0~16.0 FULL 0.5 20 1.3 -55~+85℃ 20/10 Counter Clockwise
HMCTA160T180G⬇ 16.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB160T180G⬇ 16.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA140T180G⬇ 14.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCTB140T180G⬇ 14.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCTA150T200G⬇ 15.0~20.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Clockwise
HMCTB150T200G⬇ 15.0~20.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Counter Clockwise
14.0~20.0GHz Microstrip Circulator Appearance
14.0~20.0GHz Microstrip 'Y' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCYA140T160G⬇ 14.0~16.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB140T160G⬇ 14.0~16.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA160T180G⬇ 16.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB160T180G⬇ 16.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA140T180G⬇ 14.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Clockwise
HMCYB140T180G⬇ 14.0~18.0 FULL 0.5 20 1.25 -55~+85℃ 20/10 Counter Clockwise
HMCYA150T200G⬇ 15.0~20.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Clockwise
HMCYB150T200G⬇ 15.0~20.0 FULL 0.6 18 1.3 -55~+85℃ 20/10 Counter Clockwise
14.0~20.0GHz Microstrip Circulator Appearance
18.0~28.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA180T220G⬇ 18.0~22.0 FULL 0.5 20 1.25 -55~+85℃ 15/5 Clockwise
HMCTB180T220G⬇ 18.0~22.0 FULL 0.5 20 1.25 -55~+85℃ 15/5 Counter Clockwise
HMCTA180T240G⬇ 18.0~24.0 FULL 0.6 18 1.3 -55~+85℃ 15/5 Clockwise
HMCTB180T240G⬇ 18.0~24.0 FULL 0.6 18 1.3 -55~+85℃ 15/5 Counter Clockwise
HMCTA240T280G⬇ 24.0~28.0 FULL 0.7 18 1.3 -55~+85℃ 15/5 Clockwise
HMCTB240T280G⬇ 24.0~28.0 FULL 0.7 18 1.3 -55~+85℃ 15/5 Counter Clockwise
18.0~28.0GHz Microstrip Circulator Appearance
28.0~40.0GHz Microstrip 'T' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCTA280T320G⬇ 28.0~32.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Clockwise
HMCTB280T320G⬇ 28.0~32.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Counter Clockwise
HMCTA330T370G⬇ 33.0~37.0 FULL 0.8 18 1.35 -55~+85℃ 5/2 Clockwise
HMCTB330T370G⬇ 33.0~37.0 FULL 0.8 18 1.35 -55~+85℃ 5/2 Counter Clockwise
HMCTA320T380G⬇ 32.0~38.0 FULL 0.8 16 1.4 -55~+85℃ 5/2 Clockwise
HMCTB320T380G⬇ 32.0~38.0 FULL 0.8 16 1.4 -55~+85℃ 5/2 Counter Clockwise
HMCTA320T400G⬇ 32.0~40.0 FULL 1.0 14 1.4 -55~+85℃ 5/2 Clockwise
HMCTB320T400G⬇ 32.0~40.0 FULL 1.0 14 1.4 -55~+85℃ 5/2 Counter Clockwise
HMCTA380T400G⬇ 38.0~40.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Clockwise
HMCTB380T400G⬇ 38.0~40.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Counter Clockwise
28.0~40.0GHz Microstrip Circulator Appearance
28.0~40.0GHz Microstrip 'Y' junction Circulator
Model Frequency(GHz) BW Max Insertion loss(dB) Max Isolation(dB)Min VSWR Max operating temperature(℃) PK/CW(Watt) Direction
HMCYA280T320G⬇ 28.0~32.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Clockwise
HMCYB280T320G⬇ 28.0~32.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Counter Clockwise
HMCYA330T370G⬇ 33.0~37.0 FULL 0.8 18 1.35 -55~+85℃ 5/2 Clockwise
HMCYB330T370G⬇ 33.0~37.0 FULL 0.8 18 1.35 -55~+85℃ 5/2 Counter Clockwise
HMCYA320T380G⬇ 32.0~38.0 FULL 0.8 16 1.4 -55~+85℃ 5/2 Clockwise
HMCYB320T380G⬇ 32.0~38.0 FULL 0.8 16 1.4 -55~+85℃ 5/2 Counter Clockwise
HMCYA320T400G⬇ 32.0~40.0 FULL 1.0 14 1.4 -55~+85℃ 5/2 Clockwise
HMCYB320T400G⬇ 32.0~40.0 FULL 1.0 14 1.4 -55~+85℃ 5/2 Counter Clockwise
HMCYA380T400G⬇ 38.0~40.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Clockwise
HMCYB380T400G⬇ 38.0~40.0 FULL 0.7 18 1.35 -55~+85℃ 5/2 Counter Clockwise
28.0~40.0GHz Microstrip Circulator Appearance

Performance Indicator Curve Graphs for Some Models

The curve graphs serve the purpose of visually presenting the performance indicators of the product. They offer a comprehensive illustration of various parameters such as frequency response, insertion loss, isolation, and power handling. These graphs are instrumental in enabling customers to assess and compare the product's technical specifications, aiding in informed decision-making for their specific requirements.

HMCTA27T35G-2.7GHz-3.5GHz

Typical Microstrip Circulator

HMCTA35T45G-3.5GHz-4.5GHz

Typical Microstrip Circulator

Customization & Selection Guide

  • Choose the frequency range closest to your system's operating band for optimal performance.
  • For higher power applications, customized versions can be designed with reinforced ferrite cores and thermal management.
  • Select CW or CCW direction according to your system's signal path.
  • Custom mechanical dimensions, port orientations, and connector interfaces are available to meet your layout requirements.

Why Choose Our Product

  • Profound Technical Expertise: We have over 18 years of R&D experience in ferrite materials and microwave magnetics.
  • Fully Automated Production Lines: Ensure consistent excellence and reliability in every unit.
  • Professional Application Support: Our engineering team provides timely technical selection, customization, and failure analysis services.
  • Competitive Pricing & Lead Times: Economies of scale from mass production enable us to respond quickly to your orders.

About HzBeat

HzBeat is a leading RF component manufacturer specializing in RF circulators and isolators, as a global supplier of RF circulators and isolators (20MHz–200GHz), we providing microstrip, drop-in, coaxial, and waveguide solutions for communication systems, radar, satellite, and medical imaging.

For detailed technical documentation, sample requests, or customization needs, please do not hesitate to contact us. — we respond within 24 hours to ensure you get precise solutions for your design.

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