Where can chip beads be used to serve as effective EMC components?

Since chip beads are EMC components, is there any need to make ground connections?

Would it be a problem to use chip beads in parallel?

There are no marks on chip beads that indicate winding direction (polarity). Do different directions at mounting result in changes in characteristics?

Does TDK offer chip bead arrays (products that have multiple elements in one package)?

What is the Gigaspira bead?

What happens when a current exceeding the rated current is applied to chip beads?

The data sheet has specifications on “rated currents” but not on “rated voltages”. Should there be no problems during use as long as the current values are conformed to?

Can mounting chip beads for the low-frequency band in series with the chip beads for the GHz band allow the obtaining of both characteristics? Also, should there be any problems if multiple chip beads are mounted in series?

Please provide specifications of the withstand voltage of the MMZ series.

What differences arise in terms of electrical characteristics if there are any cracks in chip beads?

How can I differentiate between commercial grade and automotive grade chip beads from TDK?

How should I select chip beads?