Circulators

What is a Circulator

The circulator is a three-port non-reciprocal device that transmits RF signals in a unidirectional sequence. Signals entering port 1 are transmitted to port 2, signals entering port 2 are transmitted to port 3, and signals entering port 3 are transmitted to port 1, with minimal loss in the forward direction and high isolation in the reverse direction. Circulators are primarily employed to separate transmit and receive signals in radar and communication systems, to protect sensitive receivers from high-power transmitter outputs, and to route signals between multiple ports with minimal interference. An ideal circulator provides lossless transmission in the forward direction while directing reflected or unwanted signals to a termination port, improving system efficiency and protecting critical components.

Why RFecho

RFecho designs and manufactures RF and microwave circulators in micro strip, SMD, coaxial, cryogenic, and drop-in series for a variety of applications. These products provide very low insertion loss, excellent isolation across temperature and power, and solutions with a very wide frequency spectrum. From concept to final product manufacture and testing, comprehensive internal abilities have been built. These high-performance components are highly compact, weather resistant, and have been tested in the worst circumstances encountered at sea, air, land, or space. Our commitment to technical advancement, combined with expertise in ferrite and dielectric materials, guarantees that our products are always at the cutting edge of microwave technology.

RFecho is dedicated to giving its customers the best possible degree of pleasure. We are aware of the demands each new application has, as well as the expectations of our clients. Rfecho can meet all customer needs with the best design and available customizable solutions. If you need more help or if the sought solution is not provided on this page, please contact us. We can handle any requirement, from the first request to the finished output.

Please choose from the products listed below, or just tell us your application requirements, and we’ll select the option that best fits your requirements or custom-design something to satisfy your needs while maintaining a high standard of quality and affordability.

ImageSeriesSKUFreq Min (MHz)Freq Max (MHz)Insertion Loss (dB)Isolation (dB)Return Loss (dB)Power (W)Product PageDatasheetOutline
OHYH101P-578-678SMDOHYH101P-578-6785786780.32020250View ProductDatasheetOutline
OHYH101P-610-660SMDOHYH101P-610-6606106600.252020250View ProductDatasheetOutline
OHYH101P-729-746SMDOHYH101P-729-7467297460.252020250View ProductDatasheetOutline
OHYH101P-758-960SMDOHYH101P-758-9607589600.31920250View ProductDatasheetOutline
OHYH101P-960-1225SMDOHYH101P-960-122596012250.31920250View ProductDatasheetOutline
OHYH101B-859-894SMDOHYH101B-859-8948598940.252322200View ProductDatasheetOutline
OHYH101B-925-960SMDOHYH101B-925-9609259600.252322200View ProductDatasheetOutline
OHYH101B-1452-1492SMDOHYH101B-1452-1492145214920.252322200View ProductDatasheetOutline
OHYH101B-1800-2200SMDOHYH101B-1800-2200180022000.31820200View ProductDatasheetOutline
OHYH101B-2110-2170SMDOHYH101B-2110-2170211021700.252322200View ProductDatasheetOutline
OHYH101B-2300-2400SMDOHYH101B-2300-2400230024000.252322200View ProductDatasheetOutline
OHYH101B-2496-2690SMDOHYH101B-2496-2690249626900.32222200View ProductDatasheetOutline
OHYH101B-3300-3600SMDOHYH101B-3300-3600330036000.32222200View ProductDatasheetOutline
OHYH103B-869-894SMDOHYH103B-869-8948698940.32020200View ProductDatasheetOutline
OHYH103B-930-960SMDOHYH103B-930-9609309600.32020200View ProductDatasheetOutline
OHYH103B-1407-1507SMDOHYH103B-1407-1507140715070.32020200View ProductDatasheetOutline
OHYH103B-2110-2170SMDOHYH103B-2110-2170211021700.252020200View ProductDatasheetOutline
OHYH103B-2300-2400SMDOHYH103B-2300-2400230024000.32020200View ProductDatasheetOutline
OHYH103B-2496-2690SMDOHYH103B-2496-2690249626900.352020200View ProductDatasheetOutline
OHYH103B-3400-3600SMDOHYH103B-3400-3600340036000.32220200View ProductDatasheetOutline
OH103C-1805-1880SMDOH103C-1805-1880180518800.32020100View ProductDatasheetOutline
OH103C-2110-2170SMDOH103C-2110-2170211021700.252020100View ProductDatasheetOutline
OH103C-2300-2400SMDOH103C-2300-2400230024000.32020100View ProductDatasheetOutline
OH103C-2515-2675SMDOH103C-2515-2675251526750.32120100View ProductDatasheetOutline
OH103C-3400-3600SMDOH103C-3400-3600340036000.252020100View ProductDatasheetOutline
OH103C-3400-3800SMDOH103C-3400-3800340038000.32020100View ProductDatasheetOutline
OH103C-3800-4200SMDOH103C-3800-4200380042000.32020100View ProductDatasheetOutline
OH103C-4400-5000SMDOH103C-4400-5000440050000.351919100View ProductDatasheetOutline
OH103E-1805-1880SMDOH103E-1805-1880180518800.32020100View ProductDatasheetOutline
OH103E-2110-2170SMDOH103E-2110-2170211021700.32020100View ProductDatasheetOutline
OH103E-2300-2400SMDOH103E-2300-2400230024000.32020100View ProductDatasheetOutline
OH103E-2496-2690SMDOH103E-2496-2690249626900.32020100View ProductDatasheetOutline
OH103E-3400-3600SMDOH103E-3400-3600340036000.252220100View ProductDatasheetOutline
OH103E-3400-3800SMDOH103E-3400-3800340038000.32020100View ProductDatasheetOutline
OH103E-3800-4200SMDOH103E-3800-4200380042000.32020100View ProductDatasheetOutline
OH103E-4800-5000SMDOH103E-4800-5000480050000.252220100View ProductDatasheetOutline
OH107C-1805-1880SMDOH107C-1805-1880180518800.32020100View ProductDatasheetOutline
OH107C-2110-2170SMDOH107C-2110-2170211021700.252020100View ProductDatasheetOutline
OH107C-2496-2690SMDOH107C-2496-2690249626900.32020100View ProductDatasheetOutline
OH107C-3400-3600SMDOH107C-3400-3600340036000.32020100View ProductDatasheetOutline
OH107C-3400-3800SMDOH107C-3400-3800340038000.352020100View ProductDatasheetOutline
OH107C-3800-4100SMDOH107C-3800-4100380041000.32020100View ProductDatasheetOutline
OH107C-4800-5000SMDOH107C-4800-5000480050000.252220100View ProductDatasheetOutline
OH107C-6425-7125SMDOH107C-6425-7125642571250.32020100View ProductDatasheetOutline
OH121A-1805-1880SMDOH121A-1805-1880180518800.35201850View ProductDatasheetOutline
OH121A-2110-2170SMDOH121A-2110-2170211021700.35201850View ProductDatasheetOutline
OH121A-2300-2400SMDOH121A-2300-2400230024000.35201850View ProductDatasheetOutline
OH121A-2496-2690SMDOH121A-2496-2690249626900.35201850View ProductDatasheetOutline
OH121A-3400-3700SMDOH121A-3400-3700340037000.33201850View ProductDatasheetOutline
OH121A-3600-3800SMDOH121A-3600-3800360038000.3201850View ProductDatasheetOutline
OH120A-2300-2400SMDOH120A-2300-2400230024000.3202050View ProductDatasheetOutline
OH120A-2496-2690SMDOH120A-2496-2690249626900.35201850View ProductDatasheetOutline
OH120A-3300-3600SMDOH120A-3300-3600330036000.25202050View ProductDatasheetOutline
OH120A-4600-5000SMDOH120A-4600-5000460050000.33191950View ProductDatasheetOutline
O-5MM-2496-2690SMDO-5MM-2496-2690249626900.4181850View ProductDatasheetOutline
O-5MM-3400-3600SMDO-5MM-3400-3600340036000.35201850View ProductDatasheetOutline
O-5MM-4800-5000SMDO-5MM-4800-5000480050000.35201850View ProductDatasheetOutline
O-5MM-6425-7125SMDO-5MM-6425-7125642571250.33201850View ProductDatasheetOutline
OH542-420-470Drop-InOH542-420-4704204700.32121300View ProductDatasheetOutline
OH542-566-678Drop-InOH542-566-6785666780.42020300View ProductDatasheetOutline
OH542-758-821Drop-InOH542-758-8217588210.32020300View ProductDatasheetOutline
OH542-758-960Drop-InOH542-758-9607589600.351818300View ProductDatasheetOutline
OH542-1805-2170Drop-InOH542-1805-2170180521700.32020300View ProductDatasheetOutline
OH532-791-821Drop-InOH532-791-8217918210.252222300View ProductDatasheetOutline
OH532-850-890Drop-InOH532-850-8908508900.252323300View ProductDatasheetOutline
OH532-925-960Drop-InOH532-925-9609259600.252222300View ProductDatasheetOutline
OH532-960-1225Drop-InOH532-960-122596012250.51818300View ProductDatasheetOutline
OH532-1452-1492Drop-InOH532-1452-1492145214920.252222300View ProductDatasheetOutline
OH532-1805-1880Drop-InOH532-1805-1880180518800.252222300View ProductDatasheetOutline
OH532-2110-2170Drop-InOH532-2110-2170211021700.252323300View ProductDatasheetOutline
OH532-2300-2400Drop-InOH532-2300-2400230024000.252322300View ProductDatasheetOutline
OH532-2496-2690Drop-InOH532-2496-2690249626900.252322300View ProductDatasheetOutline
OHYH535A-869-894Drop-InOHYH535A-869-8948698940.252222200View ProductDatasheetOutline
OHYH535A-930-960Drop-InOHYH535A-930-9609309600.252222200View ProductDatasheetOutline
OHYH535A-1805-1880Drop-InOHYH535A-1805-1880180518800.252222200View ProductDatasheetOutline
OHYH535A-2110-2170Drop-InOHYH535A-2110-2170211021700.252222200View ProductDatasheetOutline
OHYH535A-2300-2400Drop-InOHYH535A-2300-2400230024000.252222200View ProductDatasheetOutline
OHYH535A-2496-2690Drop-InOHYH535A-2496-2690249626900.252222200View ProductDatasheetOutline
OHYH531A-1500-1650Drop-InOHYH531A-1500-1650150016500.352020200View ProductDatasheetOutline
OHYH531A-1805-1880Drop-InOHYH531A-1805-1880180518800.32020200View ProductDatasheetOutline
OHYH531A-2110-2170Drop-InOHYH531A-2110-2170211021700.32020200View ProductDatasheetOutline
OHYH531A-2400-2500Drop-InOHYH531A-2400-2500240025000.32020200View ProductDatasheetOutline
OHYH531A-2496-2690Drop-InOHYH531A-2496-2690249626900.32020200View ProductDatasheetOutline
OHYH531A-3400-3600Drop-InOHYH531A-3400-3600340036000.32020200View ProductDatasheetOutline
OHYH524C-1800-1880Drop-InOHYH524C-1800-1880180018800.252322200View ProductDatasheetOutline
OHYH524C-1880-2025Drop-InOHYH524C-1880-2025188020250.32222200View ProductDatasheetOutline
OHYH524C-2110-2170Drop-InOHYH524C-2110-2170211021700.252322200View ProductDatasheetOutline
OHYH524C-2300-2400Drop-InOHYH524C-2300-2400230024000.32222200View ProductDatasheetOutline
OHYH524C-2496-2690Drop-InOHYH524C-2496-2690249626900.32222200View ProductDatasheetOutline
OHYH524C-3300-3600Drop-InOHYH524C-3300-3600330036000.32020200View ProductDatasheetOutline
OH5A019-13000-15000Micro-StripOH5A019-13000-1500013000150001.318185View ProductDatasheetOutline
OH5A020-15000-18000Micro-StripOH5A020-15000-1800015000180001.318185View ProductDatasheetOutline
OH5A088-18500-20000Micro-StripOH5A088-18500-2000018500200001.318185View ProductDatasheetOutline
OH5A124-6500-7100Micro-StripOH5A124-6500-7100650071001.2520205View ProductDatasheetOutline
OH5A022-21000-23000Micro-StripOH5A022-21000-2300021000230001.318185View ProductDatasheetOutline
OH5A006-25000-27000Micro-StripOH5A006-25000-2700025000270001.318185View ProductDatasheetOutline
OH6A038-40-42CoaxialOH6A038-40-4240421.5161850View ProductDatasheetOutline
OH6A037-55-65CoaxialOH6A037-55-6555651161850View ProductDatasheetOutline
OH2A097-117-144MHZCoaxialOH2A097-117-144MHZ1171440.6181850View ProductDatasheetOutline
OH410-450-1000MHZCoaxialOH410-450-1000MHZ45010000.41818100View ProductDatasheetOutline
OHYG411-700-1000CoaxialOHYG411-700-100070010000.6151850View ProductDatasheetOutline
OH621-800-5000MHZCoaxialOH621-800-5000MHZ80050000.351818100View ProductDatasheetOutline
OH2A055CryogenicOH2A055400080000.3181810View ProductDatasheetOutline
OH2A101-8-12CryogenicOH2A101-8-128000120001.28181810View ProductDatasheetOutline
OH5A026-15.0-18.0Micro-StripOH5A026-15.0-18.015000180001.31818View ProductDatasheetOutline
OH5A036-8.0-12.0Micro-StripOH5A036-8.0-12.08000120001.50.518View ProductDatasheetOutline
OH5A054-6.8-7.5Micro-StripOH5A054-6.8-7.5680075001.31818View ProductDatasheetOutline
OH5A073-14.0-18.0Micro-StripOH5A073-14.0-18.014000180000.51818View ProductDatasheetOutline
OH5A108-8.0-12.0Micro-StripOH5A108-8.0-12.08000120001318View ProductDatasheetOutline
OH5A116-15.0-17.0Micro-StripOH5A116-15.0-17.015000170001318View ProductDatasheetOutline
OH5A137-24-27.5Micro-StripOH5A137-24-27.52427.51.351618View ProductDatasheetOutline
OHYG842-6.0-12.0CoaxialOHYG842-6.0-12.06000120000.42018View ProductDatasheetOutline

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