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High Power Coaxial RF Limiters | Broadband RF Power Limiters | Fairview Microwave

Broadband High Power Coaxial RF Limiters

  • Broadband frequencies ranging from 0.5 GHz to 40 GHz
  • High Speed Recovery Operation of 10 ns is typical
  • Low leakage Power Circuit Protection
  • Good suppression of even order harmonics under hard limiting
  • High CW Power Handling up to 200 Watts Peak Power
  • 50 Ohm hybrid designs incorporate complete limiting diode circuitry
  • Guaranteed Operating Temperature Range of -54°C to +85°C
  • High-Rel Rugged Packages designed to meet MIL-STD-202
Broadband High Power Coaxial RF Limiters

Need quotes? Contact our technical service department at 1-800-715-4396Chat with us • Email us at sales@fairviewmicrowave.com


We are among the leading providers of on-demand RF, microwave and mmwave products that ship on the same day you order. Whether it is educational and medical institutions or telecommunication, government agencies, defense or the aerospace industry, we service a number of industries in the US and around the world.

To help protect your sensitive receivers and components, such as low-noise amplifiers (LNAs) and other devices, our complete range of broadband high-power coaxial RF limiters do their job effortlessly. Fairview Microwave’s high power RF limiter components operate over a broad range of frequencies – from 0.5 GHz to 40 GHz, depending on the model. They have a limiting threshold between 3 to 10 dBm and low leakage power of 10 to 15 dBm. That is not all; they also display high continuous wave (CW) power handling up to 200-Watts peak power and a fast recovery time of 10 to 100 nanoseconds.

When it comes to protecting their sensitive RF receiver components from high power signals that could result in irreparable damage to the system, or even suppressing even-order harmonics under extreme conditions, designers and engineers around the world rely on Fairview Microwave's wide selection of broadband high-power coaxial limiters, such as the SML-0518-01-14-SMA, SML-0618-10-15-SMA, SML-0218-01-14-SMAH and SML-1840-01-18-K models. These RF limiters offer industry-leading performance and are well suited for applications across industries, including electronic warfare, military and space, military communication systems, weapon systems, instrumentation, fiber optic communication systems, radar, SATCOM, point-to-point radio, telecom and R&D.

Our broadband high-power RF coaxial limiters are guaranteed to operate over temperature ranges from -54° C to +85° C. Thanks to their 50 Ohm hybrid designs that utilize limiting diode circuitry, Fairview Microwave’s limiters for RF do not require any external matching components. They are constructed with high-gel and come in ruggedized packages that are designed to meet MIL-STD-202 environmental conditions for humidity, shock, vibration, and altitude and temperature cycle.

All our radio frequency broadband high-power coaxial limiters are in stock and available for same-day shipping. With low or no minimum order quantities, they are ready to ship at once.

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High Power Coaxial Limiters

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High Power Limiter, SMA, 100W Peak Power, 10 ns Recovery, 14 dBm Flat Leakage, 500 MHz to 18 GHz
SKU: SML-0518-01-14-SMA
  • Insertion Loss (dB): 1.5
  • Leakage (dB): 10
  • Limiting Threshold (dBm): 10
  • Input Power (watts): 1
  • Mechanical Dimensions L(in) X W(in) X H(in): 0.5 x 0.5 x 0.22
  • Graphs:
SMA Limiter High Power 40 ns Recovery With 13 dBm Flat Leakage Operating From 2 GHz to 8 GHz
SKU: SML-0208-05-13-SMA
  • Insertion Loss (dB): 1
  • Leakage (dB): 13
  • Limiting Threshold (dBm): 3
  • Input Power (watts): 5
  • Mechanical Dimensions L(in) X W(in) X H(in): 1.0 x 1.0 x 0.4
  • Graphs:
SMA Limiter High Power 12 ns Recovery With 15 dBm Flat Leakage Operating From 6 GHz to 18 GHz
SKU: SML-0618-10-15-SMA
  • Insertion Loss (dB): 2.5
  • Leakage (dB): 15
  • Limiting Threshold (dBm): 10
  • Input Power (watts): 10
  • Mechanical Dimensions L(in) X W(in) X H(in): 1.0 x 1.0 x 0.5
  • Graphs:
SMA Limiter High Power 100 ns Recovery With 14 dBm Flat Leakage Operating From 2 GHz to 18 GHz
SKU: SML-0218-01-14-SMA
  • Insertion Loss (dB): 1.7
  • Leakage (dB): 10
  • Limiting Threshold (dBm): 6
  • Input Power (watts): 1
  • Mechanical Dimensions L(in) X W(in) X H(in): 0.75 x 1.0 x 0.3
  • Graphs:
SMA Limiter High Power 100 ns Recovery With 14 dBm Flat Leakage Operating From 2 GHz to 18 GHz
SKU: SML-0218-01-14-SMAH
  • Insertion Loss (dB): 2
  • Leakage (dB): 14
  • Limiting Threshold (dBm): 6
  • Input Power (watts): 1
  • Mechanical Dimensions L(in) X W(in) X H(in): 0.75 x 1.0 x 0.3
  • Graphs:
SMA Limiter High Power 10 ns Recovery With 14 dBm Flat Leakage Operating From 12 GHz to 18 GHz
SKU: SML-1218-01-14-SMA
  • Insertion Loss (dB): 1.5
  • Leakage (dB): 10
  • Limiting Threshold (dBm): 3
  • Input Power (watts): 1
  • Mechanical Dimensions L(in) X W(in) X H(in): 1.0 x 1.0 x 0.4
  • Graphs:
2.92mm Limiter High Power 10 ns Recovery With 18 dBm Flat Leakage Operating From 18 GHz to 40 GHz
SKU: SML-1840-01-18-K
  • Insertion Loss (dB): 3.5
  • Leakage (dB): 12
  • Limiting Threshold (dBm): 5
  • Input Power (watts): 1
  • Mechanical Dimensions L(in) X W(in) X H(in): 0.5 x 0.5 x 0.22
  • Graphs:
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Our Custom Services

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    Performance Testing

Fairview Microwave’s RF performance test data lets you know the performance of your broadband high-power coaxial RF limiter’s components and includes input return loss (S11), insertion loss (S21), output return loss (S22) and isolation (S12). Tests are performed with a vector network analyzer and can be delivered in CSV, PNG or S2P file formats. Please specify your preferred file format when requesting RF performance testing.

    Cable Phase Matching

    Phase matching is performed by our highly skilled technicians. Available on many of our cable assemblies.

    Custom Cable Assemblies

    We have several standard and coaxial broadband high-power limiters. We have a variety of custom options including labeling, clocking, pigtails and more. Special requests are welcome and most assemblies will ship the same day you order.

    3D CAD Drawings

    We are more than a match to fully support all your broadband high-power coaxial limiter Printed Circuit Board (PCB) design needs with three-dimensional (3D) CAD drawings of any one of the thousands of SKUs available on our website.

    The RF Cable Designer™

    We understand that some projects require a customized broadband high-power coaxial limiter. With a few clicks, our RF Cable Designer easily allows you to create your own cable assembly from any combination of in-stock couplers, connectors and cables.

    Explore our RF cable designer here >>

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Need quotes? Contact our Fairview Microwave technical service department for further help.
Call us at 1-800-715-4396Chat with us • Email us at sales@fairviewmicrowave.com