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How to select the interface shielding for an intelligent low-voltage monitoring unit?

Time：2026-02-06 Views：4次

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Interface shielding selection is based on interface type and frequency.

RJ45: Select a shielded connector with filtering and a built-in CMZ2012A-900T common-mode inductor.

D-sub: Select a filtered version.

Power interface: Select a metal-cased connector.

Selection parameters: Shielding effectiveness >25dB@1GHz; Contact resistance <20mΩ.

Installation: Ensure continuous contact between the metal casing and the chassis. Proper selection minimizes electromagnetic leakage at the interface.

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