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11 Myths About Low-Value Shunt SMD Resistors (Download)

March 17, 2022

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While low-ohmic-value resistors may appear alongside standard chip resistors in a typical bill of materials, they present unique challenges at every step of the design and manufacturing process. Debunking these myths will help designers better understand sub-milliohm characteristics and the need for specialist knowledge and techniques.

1. It’s easy to check unmounted resistor values.

In general, resistors are the simplest of components to check prior to mounting. It requires a simple ohmmeter measurement, with 2-terminal connections for higher values and 4-terminal (Kelvin) connections for lower values or higher precision. But resistors with values around 1 mΩ or less require special equipment and great care in fixturing.

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