R574F93805

RF Switches Overview

The R574F93805 is a general-purpose SP8T coaxial switch from the RAMSES series by Radiall USA, Inc. It operates across a frequency range of DC to 26.5GHz with a 50 Ohm impedance. The device features latching functionality with self-cut-off and auto-reset capabilities. It utilizes 28Vdc TTL control signals and includes diode pins for terminals. The unit is equipped with SMA connectors and status indicators. It is packaged in bulk and supports an operating temperature range of -40°C to 85°C.

RF Switches Feature Summary

• SP8T configuration providing eight switched paths within a single module
• High-frequency operation extending up to 26.5GHz for wideband applications
• Latching mechanism with self-cut-off and auto-reset functions for power efficiency
• Integrated status indicators and SMA connectors for direct system integration

RF Switches Applications

• Test and measurement equipment requiring high-isolation switching
• Telecommunications infrastructure signal routing
• Aerospace and defense radar systems
• Electronic warfare and signal intelligence platforms

RF Switches Procurement Notes

Verify component authenticity through authorized Radiall distributors or official manufacturer channels. Confirm current lifecycle status as some sources indicate discontinuation. Request updated datasheets to ensure compatibility with specific voltage and interface requirements. Validate packaging specifications against project needs. Ensure compliance with relevant export controls and material declarations before procurement.

RF Switches Selection Notes

Select this component when an SP8T topology is required at frequencies up to 26.5GHz. Consider the latching feature for applications needing state retention without continuous power. Verify that the 28Vdc TTL control interface matches the system logic levels. Ensure the SMA connector type aligns with existing cabling infrastructure. Evaluate thermal management requirements given the specified operating temperature range.

RF Switches Part Context

This part belongs to the RAMSES family of terminated coaxial switches designed for robust RF performance. The series offers various pole configurations including SP3T, SP6T, and SP8T options. These modules are engineered for high isolation and low insertion loss in demanding environments. The R574F93805 specifically provides the highest port count in the standard lineup for complex signal routing tasks.

RF Switches Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult Radiall technical support for qualified alternatives if this specific model is discontinued or unavailable. Cross-referencing electrical parameters such as frequency range and impedance is essential when evaluating potential replacements.