D3I8012Y

RF Circulators And Isolators Overview

The D3I8012Y is a cryogenic RF isolator manufactured by DiTom Microwave, designed for operation in the 8.00 to 12.00 GHz frequency range. It features SMA female connectors and is optimized for low-temperature environments. The device provides high isolation and low insertion loss, ensuring signal integrity in sensitive applications. Constructed with passivated stainless steel and gold-plated copper contacts, it supports average forward power ratings of 25 W. The unit is supplied in bulk packaging and complies with RoHS standards.

RF Circulators And Isolators Feature Summary

• Optimized for cryogenic operation at specific temperature points
• High isolation performance within the S-band frequency range
• Robust construction using passivated stainless steel housing

RF Circulators And Isolators Applications

• Cryogenic receiver front-ends
• Low-noise amplifier protection
• Spaceborne communication systems
• Quantum computing readout chains

RF Circulators And Isolators Procurement Notes

Verify the specific suffix designation (e.g., -4K, -77K) required for your target operating temperature, as performance characteristics vary significantly between cryogenic variants. Confirm connector gender and interface compatibility with existing harnesses. Check current availability status, as these components may be subject to limited production runs or long lead times due to specialized manufacturing processes. Ensure environmental testing requirements align with the datasheet specifications before finalizing procurement.

RF Circulators And Isolators Selection Notes

Select this component when designing systems requiring signal directionality in extreme cold environments. Compare the D3I8012Y against standard room-temperature isolators if thermal management allows, but prioritize this model for applications where noise figure degradation must be minimized at cryogenic temperatures. Evaluate the power handling capabilities against peak pulse requirements rather than just average power. Consider the physical dimensions and mounting options provided in the mechanical drawings to ensure integration into compact cryostats or dewars.

RF Circulators And Isolators Part Context

This part belongs to DiTom Microwave's dedicated cryogenic isolator series, distinct from their standard room-temperature offerings like the D3I8012. The 'Y' suffix typically denotes a specific variant within the cryogenic line, often associated with optimized performance at defined temperature nodes such as 4 Kelvin or 77 Kelvin. It shares the same form factor and connector style as other models in the D3I/D4I families but differs internally in magnetic material selection and assembly techniques to withstand thermal cycling.

RF Circulators And Isolators Replacement Considerations

Direct substitutes include the D3I8012Y-4K and D3I8012Y-77K, depending on the specific cryogenic temperature requirement. The D4I8012 series offers similar electrical performance but may differ in mechanical details or internal design generation. Verify that any replacement maintains the same SMA female configuration and frequency coverage. Cross-reference datasheets for insertion loss and VSWR values to ensure system-level compatibility.