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Brand: FERRITES
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SMB3H Family
Multiline Suppressor Beads
Ferrite Beads (including Wirewound Ferrite Bead and smd ferrite bead) are core components in EMI Filter designs, suppressing high-frequency electromagnetic interference (EMI) through the frequency-dependent impedance of ferrite materials.
1.Frequency-dependent impedance:
Ferrite Beads exhibit low impedance at low frequencies and high impedance at high frequencies. The ferrite material’s resistivity induces eddy current losses, which increase with frequency. This property makes Wirewound Ferrite Bead and SMD Ferrite Bead variants critical for Emi Filter applications.
2.EMI suppression:
By dissipating high-frequency noise energy, Ferrite Beads protect circuits while allowing low-frequency signals (DC/low-frequency AC) to pass unimpeded. Both Wirewound Ferrite Bead and SMD Ferrite Bead types are optimized for integration into compact Emi Filter systems.
3.Equivalent Circuit Model:
In Emi Filter topologies, Ferrite Beads act as resistor-inductor-capacitor networks. The inductor provides high-frequency impedance, while the resistor dissipates energy – a design leveraged by SMD Ferrite Bead assemblies for PCB space efficiency.
Series in this family
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