1. Inductors are energy storage coφ≥mponents, while magnetic  ✘&'beads are energy conversion (consumpt↔™σion) devices.

2. Inductors are oftβ$•en used in power filtering circuits, w≈★©₽hile magnetic beads are often usedαΩ in signal circuits for <®EMC countermeasures.

3. Magnetic beads are mainly us£¥ed to suppress electromagnetic radφ∏‍iation interference,'§® while inductors focus★' on suppressing conductive£€→§ interference in this reg✘$ ard. Both can be used to address ↑<EMC and EMI issues.

The two pathways of EMI,¶£∏↕ namely radiation and ★ conduction, use different suppr←★←ession methods for different path¶αways. The former uses mag ÷ 'netic beads, while the la≥£∏tter uses inductors.

4. Magnetic beads are used to absorb ↔★Super high frequency si≥≈gnals, such as RF circuits, PLLs"™β∞, oscillation circuits, and Super high♦α∑₹ frequency memory circuits (DDR SDRAM, δ≠♣≠RAMBUS, etc.)

Add magnetic beads to the©∞ input part of the power supply, and t<δ‌he inductor is an energy storage compo±←ε↔nent used in LC oscil♠™γlation circuits, medium and low f₩←requency filtering circuits, etc. It ★☆‌s application frequency↕©​• range rarely exceeds 50MHz.

5. Inductance is general≈↕ly used for circuit matching and si☆♦‍gnal quality control. General connectio$Ω n and power supply connection.γ‍™☆

Use magnetic beads where analo§₽™φg and digital ground are combined. Magn"γ≤≈etic beads are also used for ‌σ↑signal lines.

The size of the magnetic bead (specif÷←≥ically, its characteristic curve) de←">pends on the frequency of the int♣πerference wave that ne<÷eds to be absorbed by the magnetic bead∑♠.

Magnetic beads are desi∞×®σgned to resist high frequeα ↔₩ncies, with low DC resistance a★ $nd high high-frequency resistance. sλ♣'uch as 1000R@100Mhz That is to say, theα£ ≈re is a resistance of 1000 ohms for ∞≈♠✘a signal with a frequency♥£≠ε of 100M.

Because the unit of ma✘‍₩∞gnetic beads is nominal based on the‍↓ impedance it generates ¶↕at a certain frequencyλδδ∏, and the unit of impedance is also Ω↔ohms.

The datasheet of magnetic bea¶  ♠ds usually includes charact"φ™©eristic curves of frequency aσ±nd impedance.

Generally, the standard is 100M‌×Hz, such as 2012B601, which means t•αhat the Impedance of thβ ☆e magnetic bead is 600 ohms at 100MHz.

The connection and di®♠fference between inductance and magn★>βetic beads, as mentioned above, is to®φ learn more about inductance and focus ‌×♠§on gain inductance.