Since 1987
DiTom Microwave designs and manufactures high-quality connectorized ferrite isolators and circulators for the space and defense markets. An AS9100 Rev. C certified US manufacturer in Fresno, California, DiTom has shipped over 250,000 ferrite devices worldwide — from 400 MHz to 40 GHz, in COTS and Hi-Rel grades.
Cryogenic & Quantum-Grade Ferrite Devices
DiTom's connectorized ferrite isolators and circulators (400 MHz–40 GHz) are available qualified to the most demanding programs — cryogenic, space, thermal-vacuum and hi-rel military. Full catalogue on ditom.com.

High-reliability ferrite devices manufactured and screened to stringent military and defense specifications.
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Ferrite isolators and circulators engineered to operate reliably at cryogenic temperatures for quantum, research and space applications.
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Thermal-vacuum (TVAC) qualified isolators and circulators, validated across extreme temperature and vacuum cycling.
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Space-qualified ferrite devices built and screened for the demands of orbital and deep-space missions.
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Connectorized coaxial ferrite isolators providing high isolation and low insertion loss to protect sources from reflected power.
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Three-port coaxial circulators routing signals directionally for transmit/receive duplexing and source protection.
Read moreAny COTS product can be modified to fit your requirement. Full catalogue on ditom.com →
DiTom Microwave designs and manufactures high-quality connectorized ferrite isolators and circulators for the space and defense markets, and has shipped over 250,000 ferrite devices to customers all around the world.
An AS9100 Rev. C certified US manufacturing company located in Fresno, California, DiTom was established in 1987. Its business office and manufacturing facility are combined in a 9,500-square-foot facility in the heart of the Central Valley.
DiTom's goal is to provide exceptionally high-quality ferrite products that are cost-effective, ahead of the critical delivery schedule and without issues — taking pride in quality, customer service and on-time deliveries.
IMPO-RF supplies and supports DiTom's connectorized, drop-in and surface-mount ferrite isolators and circulators. Tell us your frequency, power and package and we'll spec it.