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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.
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Typical Microstrip Circulator
Typical Microstrip Circulator

Key Features & Advantages

  • 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/RP(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/RP(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/RP(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/RP(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/RP(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/RP(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/RP(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/RP(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/RP(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/RP(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
8.0~18.0GHz 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/RP(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/RP(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

HMCTA27T35G-2.7GHz-3.5GHz
HMCTA27T35G-2.7GHz-3.5GHz
Typical Microstrip Circulator
HMCTA35T45G-3.5GHz-4.5GHz
HMCTA35T45G-3.5GHz-4.5GHz
Typical Microstrip Circulator

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.

Customization & Selection Guide

  • Operating Band:Ensure it covers all frequencies required by your system.
  • Power Handling Capacity:Select based on your system's transmit power (average and peak), allowing a certain margin.
  • Performance Requirements:Define specific requirements for Insertion Loss, Isolation, and VSWR/Return Loss.
  • Environmental Conditions:Consider operating temperature range, vibration, humidity, etc.
  • Cost & Delivery:Balance cost and project timeline while meeting performance 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.

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Questions? Feel Free to Reach Out Via Message.

Tell us frequency band, target IL/Isolation/VSWR, power level and timeline — we’ll match the best topology and deliver S-parameters.We will contact you within 24 hours.