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D4C3742 is listed in the RF Circulators And Isolators range at ChipApex. The manufacturer field lists DiTom Microwave. Its product description is 3.70 - 4.20 GHZ CIRCULATOR. Review the specifications below when checking this part for your BOM.
The D4C3742 is an RF circulator manufactured by DiTom Microwave, designed for operation within the 3.7 GHz to 4.2 GHz frequency range. It features SMA-FEMALE connectors and is housed in a module format. Key electrical specifications include an average forward power rating of 20 W, an insertion loss of 0.3 dB, an isolation of 23 dB, and a VSWR of 1.15. The component is RoHS compliant and classified under EAR99.
Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct connector type and pinout configuration. Confirm that the required power handling and frequency range align with system requirements before finalizing procurement orders.
Select this component when a circulator is required for the 3.7-4.2 GHz band with SMA interfaces. Ensure the system can accommodate the 20 W average power limit and that the 23 dB isolation meets the noise floor requirements of the application design.
This part belongs to the D4 series of RF circulators from DiTom Microwave. It is distinct from isolator variants such as the D4I3742-1, which serve different directional filtering functions despite similar frequency ranges. The product line focuses on connectorized passive components for aerospace and defense sectors.
Public confirmed substitute part numbers are not available in the provided documentation. Cross-reference with DiTom Microwave directly for equivalent models or updated series replacements.
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