D4I0890-3

RF Circulators And Isolators Overview

The D4I0890-3 is a coaxial RF isolator manufactured by DiTom Microwave, operating within the 800 MHz to 900 MHz frequency range. It features SMA female connectors and supports an average forward power of 250 W. Key electrical specifications include 40 dB isolation, 0.8 dB insertion loss, and a VSWR of 1.25. The device utilizes a dual junction design and functions reliably between -20°C and +65°C. Physical dimensions are 1.25 in x 0.73 in x 1.25 in.

RF Circulators And Isolators Feature Summary

• Provides high-directionality signal transmission with 40 dB isolation capability
• Supports high-power applications with 250 W average forward power handling
• Utilizes a dual junction ferrite design for enhanced performance stability

RF Circulators And Isolators Applications

• RF transmitter output stages
• Receiver input protection circuits
• Two-way communication systems

RF Circulators And Isolators Procurement Notes

Verify the specific suffix '-3' against official DiTom documentation to confirm connector configuration and pinout compatibility. Ensure environmental ratings meet operational requirements. Confirm RoHS compliance status through current datasheets before integration into final assemblies.

RF Circulators And Isolators Selection Notes

Select this component when designing systems requiring robust isolation in the 800-900 MHz band. Consider its 250 W power rating for high-power amplifier interfaces. Evaluate thermal management needs given the specified operating temperature range and physical package size constraints.

RF Circulators And Isolators Part Context

This model belongs to the DiTom Microwave D4I series of coaxial isolators. These components are engineered for space and defense markets, adhering to AS9100 Rev C quality standards. The series offers commercial-off-the-shelf solutions for critical RF infrastructure applications.

RF Circulators And Isolators Replacement Considerations

Public confirmed substitute part numbers: None identified.