This lumped-element (SPICE) model data simulates frequency-dependent b

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This lumped-element (SPICE) model data simulates frequency-dependent b

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SPICEModel 0805LS
This lumped-element (SPICE) model data simulates frequency-dependent behavior Coilcraft ferrite surface mount inductors within frequency range shown accompanying table. equivalent lumped element model schematic shown below. element values listed table each component value. value frequency-dependent variable resistor RVAR1 relates skin effect calculated from: RVAR1 shown each value accompanying table. frequency Typically, Self-Resonant Frequency (SRF) component model will higher than measurement component mounted circuit board. parasitic reactive elements circuit board fixture will effectively lower circuit resonant frequency, especially very small inductance values. Since data sheet specifications based typical production measurements, SPICE models based de-embedded measurements described below, model results different from data sheet specifications.
Lumped Element Modeling Method
Measurements were made using Agilent/ 4291A impedance analyzer with Agilent/HP 16193 test fixture. Calibration performed using open/short/ load/air capacitor (phase) standards. Fixture compensation performed using open short standards. lumped element values were determined matching simulation model average measurements. This method results model that represents closely possible typical frequency-dependent behavior component within model frequency range. lumped element models were used generate 2-port S-parameters therefore give identical results. S-parameters available site
value frequency-dependent variable resistor RVAR2 relates core losses calculated from: RVAR2 shown each value accompanying table. frequency
Disclaimer
Coilcraft makes every attempt provide accurate measurement data software, representative components, usable format. Coilcraft, however, disclaims warrants relating data software, whether expressed implied, including without limitation implied warranties merchantability fitness particular purpose. Coilcraft cannot will liable special, incidental, consequential, indirect similar damages occurring with data and/ software.
data represents de-embedded measurements, described below. Effects different customer circuit board traces, board materials, ground planes interactions with other components included have significant effect when comparing simulation measurements inductors using typical production verification instruments fixtures.
Specifications subject change without notice.
Document 298-1 Revised 11/13/02
SPICE Model Coilcraft 0805LS Inductors
Part number 0805LS-78N 0805LS-111 0805LS-471 0805LS-681 0805LS-102 0805LS-152 0805LS-182 0805LS-222 0805LS-272 0805LS-332 0805LS-392 0805LS-472 0805LS-682 0805LS-822 0805LS-103 0805LS-153 0805LS-223 0805LS-273 Frequency limit model (MHz) Lower Upper 2010 1590 3370 3440 9680 19000 20200 0.0785 0.142 0.292 0.459 0.724 0.902 1.21 1.28 1.41 1.69 1.77 1.95 2.47 2.80 3.89 6.13 7.69 11.9 (pF) 2.08 8.53 0.062 0.170 0.142 0.149 0.166 0.656 0.511 0.792 1.51 1.39 2.49 4.12 4.43 4.15 4.41 5.53 (nH) 0.0762 0.108 0.465 0.677 1.00 1.55 1.79 2.20 2.70 3.35 3.90 4.70 6.62 8.20 9.90 14.8 21.6 26.7 0.00E+00 1.29E-05 2.52E-05 9.99E-06 8.40E-06 1.10E-05 1.45E-05 1.11E-06 1.17E-06 1.59E-06 2.26E-07 1.88E-07 1.90E-07 2.03E-07 2.21E-07 5.20E-07 4.01E-07 7.31E-07 6.53E-02 1.14E-01 3.05E-01 4.80E-01 6.82E-01 1.19E+00 1.39E+00 1.49E+00 1.76E+00 2.11E+00 2.48E+00 2.87E+00 3.96E+00 4.66E+00 5.89E+00 9.23E+00 1.29E+01 1.45E+01
Specifications subject change without notice.
Document 298-3 Revised 11/13/02

This lumped-element (SPICE) model data simulates frequency-dependent b

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