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My RFQ

RF Circulators and Isolators

Product List

1698 Items
PDF Mfr Part # Quantity
Available		 UnitPrice RFQ Series Packaging Product StatusTypeFrequencyIsolationPower - Average ForwardInsertion LossVSWRConnector TypePackage / CaseSupplier Device Package
SKYFR-001822
SKYFR-001822
CIRCULATOR, 3300MHZ - 3800MHZ, 7
Skyworks Solutions Inc.
 13 $11.43
Tape & Reel (TR) ActiveCirculator3.3 GHz ~ 3.8 GHz16dB (Min)20 W0.5dB (Max)--Module-
D3C8012
D3C8012
8.00 - 12.40 GHZ CIRCULATOR
DiTom Microwave
 4 $411.45
Bag ActiveCirculator8 GHz ~ 12.4 GHz20dB25 W0.5dB1.25SMA-FEMALEModule, SMA Connectors-
D3C4080
D3C4080
4.00 - 8.00 GHZ CIRCULATOR
DiTom Microwave
 3 $408.21
Bag ActiveCirculator4 GHz ~ 8 GHz22dB20 W0.35dB1.25SMA-FEMALEModule, SMA Connectors-
CU4S0508BT-3600-00
CU4S0508BT-3600-00
ISOLATOR, CU4S0508 SERIES, CCW,
TDK Corporation
 39 $6.70
CU4S0508 Tape & Reel (TR) ActiveIsolator3.5 GHz ~ 3.7 GHz10dB (Min)5 W1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508BT-3450-00
CU4S0508BT-3450-00
ISOLATOR, CU4S0508 SERIES, CCW,
TDK Corporation
 91 $6.78
CU4S0508 Tape & Reel (TR) ActiveIsolator3.3 GHz ~ 3.6 GHz10dB (Min)5 W1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0509BT-3700-00
CU4S0509BT-3700-00
ISOLATOR, CU4S0509 SERIES, CCW,
TDK Corporation
 40 $6.80
CU4S0509 Tape & Reel (TR) ActiveIsolator3.6 GHz ~ 3.8 GHz9dB (Min)5 W1.1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0509BT-3900-00
CU4S0509BT-3900-00
ISOLATOR, CU4S0509 SERIES, CCW,
TDK Corporation
 78 $6.70
CU4S0509 Tape & Reel (TR) ActiveIsolator3.8 GHz ~ 4 GHz9dB (Min)5 W1.1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508BC-3600-00
CU4S0508BC-3600-00
CIRCULATOR, CU4S0508 SERIES, CCW
TDK Corporation
 83 $6.71
CU4S0508 Tape & Reel (TR) ActiveCirculator3.4 GHz ~ 3.8 GHz9dB (Min)5 W1.3dB (Max)2-6-SMD, No Lead6-SMD
CU4S0508BC-3500-00
CU4S0508BC-3500-00
CIRCULATOR, CU4S0508 SERIES, CCW
TDK Corporation
 133 $6.65
CU4S0508 Tape & Reel (TR) ActiveCirculator3.4 GHz ~ 3.6 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
CU4S0508AC-3650-00
CU4S0508AC-3650-00
CIRCULATOR, CU4S0508 SERIES, CW,
TDK Corporation
 14 $6.68
CU4S0508 Tape & Reel (TR) ActiveCirculator3.5 GHz ~ 3.8 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
CU4S0509AT-3900-00
CU4S0509AT-3900-00
ISOLATOR, CU4S0509 SERIES, CW, 3
TDK Corporation
 73 $6.81
CU4S0509 Tape & Reel (TR) ActiveIsolator3.8 GHz ~ 4 GHz9dB (Min)5 W1.1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508AT-3600-00
CU4S0508AT-3600-00
ISOLATOR, CU4S0508 SERIES, CW, 3
TDK Corporation
 85 $6.84
CU4S0508 Tape & Reel (TR) ActiveIsolator3.5 GHz ~ 3.7 GHz10dB (Min)5 W1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508AC-3500-00
CU4S0508AC-3500-00
CIRCULATOR, CU4S0508 SERIES, CW,
TDK Corporation
 56 $6.67
CU4S0508 Tape & Reel (TR) ActiveCirculator3.4 GHz ~ 3.6 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
CU4S0509AT-3700-00
CU4S0509AT-3700-00
ISOLATOR, CU4S0509 SERIES, CW, 3
TDK Corporation
 142 $6.75
CU4S0509 Tape & Reel (TR) ActiveIsolator3.6 GHz ~ 3.8 GHz9dB (Min)5 W1.1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508BC-3650-00
CU4S0508BC-3650-00
CIRCULATOR, CU4S0508 SERIES, CCW
TDK Corporation
 132 $6.73
CU4S0508 Tape & Reel (TR) ActiveCirculator3.5 GHz ~ 3.8 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
CU4S0508AT-3450-00
CU4S0508AT-3450-00
ISOLATOR, CU4S0508 SERIES, CW, 3
TDK Corporation
 56 $6.67
CU4S0508 Tape & Reel (TR) ActiveIsolator3.3 GHz ~ 3.6 GHz10dB (Min)5 W1dB (Max)1.8-6-SMD, No Lead6-SMD
CU4S0508BC-3450-00
CU4S0508BC-3450-00
CIRCULATOR, CU4S0508 SERIES, CCW
TDK Corporation
 142 $6.76
CU4S0508 Tape & Reel (TR) ActiveCirculator3.3 GHz ~ 3.6 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
CU4S0508AC-3450-00
CU4S0508AC-3450-00
CIRCULATOR, CU4S0508 SERIES, CW,
TDK Corporation
 141 $6.72
CU4S0508 Tape & Reel (TR) ActiveCirculator3.3 GHz ~ 3.6 GHz10dB (Min)5 W1.2dB (Max)2-6-SMD, No Lead6-SMD
0735912060
0735912060
SMSJ CIRCULATOR/2496-2690
Molex
 60 $8.18
73591 Tape & Reel (TR) ActiveCirculator2.496 GHz ~ 2.69 GHz22dB (Min)100 W0.25dB (Max)--Module-
0735912056
0735912056
SMSJ CIRCULATOR/3700-3980
Molex
 67 $8.15
73591 Tape & Reel (TR) ActiveCirculator3.7 GHz ~ 3.98 GHz20dB (Min)65 W0.25dB (Max)--Module-

About RF Circulators and Isolators

What are RF Circulators and Isolators?

RF Circulators and Isolators

RF Circulators and Isolators are essential components in radio frequency (RF) and microwave systems, designed to control the direction of signal flow. A circulator is a multi-port device that routes signals from one port to the next in a sequential manner, typically in a clockwise or counterclockwise direction. An isolator, on the other hand, is a two-port device derived from a circulator, which allows signals to pass in one direction while preventing any signal from traveling in the reverse direction. These components operate based on the principles of non-reciprocal magneto-optic effects, often utilizing ferrite materials and magnetic fields to achieve their directional properties. By ensuring that signals travel in the intended direction, RF Circulators and Isolators help minimize interference and protect sensitive components from reflected power.

Types of RF Circulators and Isolators

Coaxial Circulators

Coaxial circulators are designed for use in coaxial transmission lines and are characterized by their compact size and ease of integration into existing systems. They are commonly used in applications where space is limited, such as in mobile communication devices and radar systems. Coaxial circulators are known for their broad bandwidth and low insertion loss, making them suitable for high-frequency applications.

Waveguide Circulators

Waveguide circulators are used in systems that require high power handling capabilities and low loss. These circulators are often employed in radar and satellite communication systems, where they can handle high power levels without compromising performance. Waveguide circulators are typically larger than coaxial versions and are designed to operate over specific frequency bands.

Drop-In Circulators

Drop-in circulators are designed for easy integration into printed circuit boards (PCBs). They are often used in RF and microwave modules where space and weight are critical considerations. These circulators offer a balance between performance and size, making them ideal for applications in aerospace and defense industries.

Faraday Rotation Isolators

Faraday rotation isolators utilize the Faraday effect to achieve non-reciprocal signal transmission. These isolators are often used in optical communication systems and laser applications, where they help prevent feedback that could destabilize the system. They are known for their high isolation and low insertion loss.

How to choose RF Circulators and Isolators?

When selecting RF Circulators and Isolators, several key parameters should be considered to ensure optimal performance:

  • Frequency Range: Ensure the device operates within the desired frequency band for your application.
  • Insertion Loss: Choose a device with minimal insertion loss to maintain signal strength.
  • Isolation: High isolation is crucial to prevent signal leakage and interference.
  • Power Handling: Consider the maximum power level the device can handle without degradation.
  • Size and Weight: Evaluate the physical dimensions and weight, especially for space-constrained applications.

To assess product quality and reliability, review supplier certifications, customer reviews, and performance testing data. Environmental factors such as temperature range, humidity, and vibration should also be considered, as they can impact device performance. Proper installation, including alignment and mounting, is essential to ensure optimal functionality and longevity.

Applications of RF Circulators and Isolators

Telecommunications

In the telecommunications industry, RF Circulators and Isolators are used to enhance signal integrity and reduce interference in base stations and repeaters. They help manage signal flow in complex networks, ensuring efficient communication and data transfer.

Radar Systems

Radar systems rely on RF Circulators and Isolators to separate transmitted and received signals, preventing feedback that could damage sensitive receiver components. These devices are crucial for maintaining the accuracy and reliability of radar operations in both military and civilian applications.

Medical Imaging

In medical imaging, particularly MRI systems, RF Circulators and Isolators are used to protect sensitive equipment from reflected signals. They ensure that the imaging process is precise and free from interference, contributing to accurate diagnostic results.

Satellite Communications

Satellite communication systems use RF Circulators and Isolators to manage signal flow between transmitters and receivers. These devices help maintain signal clarity and prevent interference, ensuring reliable communication links between satellites and ground stations.

Aerospace and Defense

In aerospace and defense applications, RF Circulators and Isolators are employed in various systems, including communication, navigation, and electronic warfare. They play a vital role in ensuring the reliability and effectiveness of these critical systems by managing signal flow and preventing interference.