This document reports on the modeling of a magnetic core component with part number 3E8 manufactured by Ferroxcube. It describes the Pspice model used including thermal, anisotropy, and flexing parameters. Simulation results are presented for the hysteresis curve characteristics and compared to measurement data in a table showing good agreement with less than 3.3% error.

1. Device Modeling Report
COMPONENTS:MAGNETIC CORE
PART NUMBER:3E8
MANUFACTURER:FERROXCUBE
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

2. MAGNETIC CORE
Pspice model
Model description
parameter
A thermal energy parameter
K domain anisotropy parameter
C domain flexing parameter
MS magnetization saturation
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

3. Hysteresis Curve Characteristics
Evaluation Circuit
Simulation result
Simulation
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4. Simulation result
Simulation
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

5. Comparison Table
B(mT) B(mT)
H(A/m) %Error
Measurement Simulation
50 340 351.28 3.318
75 365 361.343 1.002
100 370 365.795 1.136
125 372 369.379 0.705
150 372 371.567 0.116
175 375 373.354 0.439
200 375 373.999 0.267
225 375 374.673 0.087
250 375 375.332 0.089
25 280 269.366 3.798
50 336 339.265 0.972
75 355 356.308 0.368
100 365 363.575 0.390
125 370 367.864 0.577
150 370 370.58 0.157
175 375 372.574 0.647
200 375 374.06 0.251
225 375 375.175 0.047
250 375 376.071 0.286
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004