IEEE P287/D3

IEEE P287/D3 is an unapproved draft standard focused on precision coaxial connectors rated from DC to 110 GHz. As a technical document in the components, circuits, devices, and systems area, it addresses connector design and performance expectations where signal integrity and repeatability are critical. Because this draft is marked superseded by D4, it is most useful for understanding the development stage of the requirements and the engineering intent behind the connector specification.

IEEE P287/D3 overview

This draft standard defines the technical context for precision coaxial connectors used across very high-frequency applications. IEEE P287/D3 is concerned with connector characteristics that influence electrical continuity, mechanical fit, and consistent performance over a wide bandwidth, including DC through millimeter-wave ranges. In practice, it helps frame requirements that designers, manufacturers, and test engineers may use when comparing connector constructions, verifying compatibility, and evaluating whether a connector design supports accurate high-frequency measurement or signal transfer.

Typical use cases

Precision coaxial connectors described by IEEE P287/D3 are commonly relevant in test and measurement setups, calibration fixtures, laboratory instrumentation, and high-frequency interconnects where stable performance matters. They may also be used in RF and microwave development environments, where connector interfaces must support controlled impedance and low loss across demanding bandwidths. For procurement and engineering teams, the draft provides a reference point when selecting connector types for systems that depend on repeatable mating behavior and reliable transmission at very high frequencies.

Why this standard matters

IEEE P287/D3 matters because connector performance can directly affect measurement accuracy, system reliability, and interoperability in high-frequency applications. A clearly defined draft helps reduce ambiguity during design review, qualification, and supplier comparison. It also supports more consistent testing and documentation when working with precision coaxial interfaces. For organizations managing compliance or product development, IEEE P287/D3 can serve as a useful checkpoint for assessing whether a connector meets the expected electrical and mechanical characteristics before later revisions are adopted.

• Precision coaxial connector requirements
• DC to 110 GHz operating range
• Electrical and mechanical interface context
• Test and measurement suitability
• Superseded draft status