MSS6122-273 Coilcraft, Inc., MSS6122-273 Datasheet

MSS6122-273

Manufacturer Part Number

MSS6122-273

Description

Manufacturer

Coilcraft, Inc.

Datasheet

1.MSS6122-273.pdf (2 pages)

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This lumped-element (SPICE) model data simulates the

frequency-dependent behavior of Coilcraft power induc-

tors within the frequency range shown in the accompa-

nying table for each individual inductor.

The data represents de-embedded measurements, as

described below. Effects due to different customer cir-

cuit board traces, board materials, ground planes or

interactions with other components are not included and

can have a significant effect when comparing the simu-

lation to measurements of the inductors using other

production verification instruments and fixtures.

Lumped Element Modeling Method

Measurements were made using a 50 Ohm impedance

analyzer. Fixture compensation was performed to re-

move fixture effects. No DC bias current was applied in

any of the measurements. The lumped element values

were determined by optimizing the simulation model to

an average of the measurements. This method results in

a model that represents as closely as possible the typical

frequency-dependent behavior of the component within

the model frequency range.

The equivalent lumped element model schematic is

shown below. Each model should be analyzed only at

the input and output ports. Conclusions based on indi-

vidual lumped element values may be erroneous.

VAR

VAR1

VAR

VAR2

VAR

SPICE Model – MSS6122

Specifications subject to change without notice. Document 267-1 Revised 08/03/07

The value of the frequency-dependent variable resistor

• k1 is shown for each value in the accompanying table.

• f is the frequency in Hz

• R

The value of the frequency-dependent variable resistor

• k2 is shown for each value in the accompanying table.

• f is the frequency in Hz

• R

Note: The log function in the following equation is the

The value of the frequency-dependent inductance L

is calculated from:

• k3, k4, and k5 are shown in the accompanying table.

• f is the frequency in Hz

• L

• LOG is the natural LOG (base e)

Disclaimer

Coilcraft makes every attempt to provide accurate mea-

surement data and software, representative of our com-

ponents, in a usable format. Coilcraft, however, disclaims

all warrants relating to the use of its data and software,

whether expressed or implied, including without limita-

tion any implied warranties of merchantability or fitness

for a particular purpose. Coilcraft cannot and will not be

liable for any special, incidental, consequential, indirect

or similar damages occurring with the use of the data

and/or software.

VAR1

VAR2

VAR

VAR1

VAR2

natural logarithm, base e, not base 10.

is calculated from:

is the inductance in µH

is the resistance in Ohms

VAR

= k3 − k4

VAR1

VAR2

= k1

= k2

LOG (k5

Document 267

VAR

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MSS6122-273 Summary of contents

Page 1

... R R VAR1 VAR VAR VAR VAR © Coilcraft, Inc. 2007 SPICE Model – MSS6122 The value of the frequency-dependent variable resistor R is calculated from: VAR1 • shown for each value in the accompanying table. • the frequency in Hz • the resistance in Ohms ...

Page 2

... Part number Lower Upper MSS6122-472 0 MSS6122-562 0 MSS6122-682 0 MSS6122-822 0 MSS6122-103 0 MSS6122-123 0 MSS6122-153 0 MSS6122-183 0 MSS6122-223 0 MSS6122-273 0 MSS6122-333 0 MSS6122-393 0 MSS6122-473 0 MSS6122-563 0 MSS6122-683 0 MSS6122-823 0 MSS6122-104 0 (pF 0.065 1.14 2.60E-04 0.88 ...

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