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Microdot Coaxial

Coaxial Microdot Feedthroughs and Accessories

The Microdot coaxial interface, developed for aerospace and instrumentation applications, is a small circular connector, which is sometimes mistaken for the slightly larger SMA coaxial connection.  In its most common configuration, the S-50 searies (the vacuum microdot feedthroughs offered on this site), it uses a No. 10-32 UNF (.190-32) thread.  Male connectors are fitted with a 0.030/.033 diameter pin and jacks have the female mating socket receptacle.  It is commonly used in conjunction with high-frequency, low noise, 50-Ohm instrumentation signal lines in accelerometers and various transducer applications.

Coaxial Microdot Feedthroughs and Accessories

The Microdot coaxial interface, developed for aerospace and instrumentation applications, is a small circular connector, which is sometimes mistaken for the slightly larger SMA coaxial connection.  In its most common configuration, the S-50 searies (the vacuum microdot feedthroughs offered on this site), it uses a No. 10-32 UNF (.190-32) thread.  Male connectors are fitted with a 0.030/.033 diameter pin and jacks have the female mating socket receptacle.  It is commonly used in conjunction with high-frequency, low noise, 50-Ohm instrumentation signal lines in accelerometers and various transducer applications.

Microdot Feedthrough Construction

Accu-Glass Products' Microdot and "between-series" BNC-Microdot coaxial feedthroughs are constructed with grounded shields, where the feedthrough shield and flange are electrically common.

Microdot Feedthrough BNC-Microdot "between-series"

Microdot-BNC feedthroughs offer a simple means of transitioning between BNC and Microdot wired applications, or vise versa.  The BNC-Microdot feedthrough is often used in conjunction with crystal sensors to monitor deposition thicknesses of in-vacuum coating applications.  Microdot cable assemblies, connectors, and wiring accessories are also offered on this site.