This document summarizes the results of device modeling and simulation for a ceramic capacitor with part number DE1E3KX152MA5B. The simulation evaluated the capacitor's equivalent circuit using an auto-balancing bridge method over a frequency range of 100Hz to 100MHz. The simulation results for impedance magnitude and phase versus frequency matched well with measurements, with errors generally below 7%.

1. Device Modeling Report
COMPONENTS: CAPACITOR/ CERAMIC
PART NUMBER: DE1E3KX152MA5B
MANUFACTURER: MURATA
REMARK: TA=40C
Bee Technologies Inc.
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

2. Theory: Auto Balancing Bridge Method
Optimization of Simulation
Range of adjustment Frequency:100Hz to100M(Hz)
Frequency vs.|Z| and Frequency vs. z Characteristic
Attention)
Please use SPICE MODEL within the range from 100Hz to 100M(Hz)
Simulation
Measurement
Simulation
Measurement
L1
C1
R1
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3. Equivalent circuit
L1 C1 R1
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4. Frequency vs. IZI Characteristic
Circuit Simulation result
Simulation
Evaluation Circuit
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5. Simulation result
Frequency IZI (ohm) IZI (ohm)
% Error
(Hz) :Measurement :Simulation
100 1.12797M 1.2094M 7.2192
1K 113.945K 120.935K 6.1345
10K 11.4959K 12.094K 5.2027
100K 1.16516K 1.2092K 3.7797
1M 118.063 119.107 0.8843
10M 6.28038 6.4968 3.4460
100M 173.466 182.597 5.2639
Measurement Simulation %Error
FSRF(Hz) 8.1752M 8.1283M 0.5737
IZI (ohm) 1.5309 1.54450 0.8884
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004