D4I8012-1

RF Circulators And Isolators Overview

The DiTom Microwave D4I8012-1 is a coaxial RF isolator designed for the 8.00 to 12.40 GHz frequency band. It features SMA female connectors and operates within a temperature range of -30°C to +85°C. Key electrical specifications include an insertion loss of 1 dB, a voltage standing wave ratio (VSWR) of 1.25, and an isolation rating of 40 dB. The device supports an average forward power of 25 W. Physical dimensions are 1.72 inches by 0.5 inches by 0.98 inches. It is available in single and dual junction configurations.

RF Circulators And Isolators Feature Summary

• Provides high isolation performance with a 40 dB rating across the specified X-band frequency range.
• Features low insertion loss of 1 dB and a VSWR of 1.25 for efficient signal transmission.
• Supports an average forward power handling capacity of 25 W.
• Utilizes SMA female connectors for standard coaxial interface compatibility.

RF Circulators And Isolators Applications

• X-band microwave systems
• RF signal transmission lines
• Test and measurement equipment

RF Circulators And Isolators Procurement Notes

Verify the specific connector configuration and junction type against project requirements before ordering. Confirm that the operating temperature range of -30°C to +85°C aligns with the intended environment. Ensure the 25 W power rating is sufficient for the application's peak load conditions. Check RoHS compliance status if environmental regulations apply. Consult the official datasheet for detailed mechanical drawings and pin definitions.

RF Circulators And Isolators Selection Notes

Select this component when a wide bandwidth from 8 to 12.4 GHz is required with moderate power handling. The 40 dB isolation is suitable for protecting sensitive sources from reflected signals. Consider the SMA female interface for easy integration into existing coaxial setups. Evaluate the physical size constraints against the 1.72 x 0.5 x 0.98 inch footprint. Compare insertion loss specifications against alternative models if minimal signal attenuation is critical.

RF Circulators And Isolators Part Context

The D4I8012-1 belongs to the D4I8012 series of coaxial isolators manufactured by DiTom Microwave. This series targets applications requiring reliable non-reciprocal signal flow in the X-band spectrum. The product is classified under RF Circulators and Isolators. It is distinct from cryogenic variants like the D4I8012YMG-4K, which are optimized for 4K operation. The model represents a standard commercial-grade solution for general RF engineering tasks.

RF Circulators And Isolators Replacement Considerations

The D3I8012-1 is a listed variant within the same manufacturer's lineup covering the same 8.00-12.40 GHz range. Verify connector polarity and internal junction structure differences between these part numbers before substitution. Cross-reference mechanical dimensions to ensure board fit compatibility. Electrical parameters such as isolation and insertion loss should be compared directly via datasheets to confirm functional equivalence.