4-1879391-0
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33521194-4-1879391-0
190UH ER9.5 XFMR SMD, GW
Core materials are produced in a variety of forms including end-grain balsa wood, PVC foam, urethane foam, non-woven core fabrics, and various types of honeycomb materials.
The self resonant frequency of an inductor is the frequency at which the parasitic capacitance of the inductor resonates with the ideal inductance of the inductor resulting in an extremely high impedance. At this frequency the device looks like an open circuit.