SPICE MODEL of ECKATS472ME , TA=25degree in SPICE PARK. English Version is http://www.spicepark.net.Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS: CAPACITOR/ CERAMIC
PART NUMBER: ECKATS472ME
MANUFACTURER: PANASONIC
REMARK: TA=25C
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
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

3. Equivalent circuit
L1 C1 R1
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

4. Frequency vs. IZI Characteristic
Circuit Simulation result
Simulation
Evaluation Circuit
V2 N00244
0Vdc
V1
1Vac U5
0Vdc ECKATS472ME
0
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004

5. Simulation result
Frequency IZI (ohm) IZI (ohm)
% Error
(Hz) :Measurement :Simulation
100 383.056K 430.350K 12.3465
1K 38.5338K 43.035K 11.6812
10K 3.87959K 4.3035K 10.9267
100K 392.176 430.331 9.7291
1M 40.2132 42.847 6.5496
10M 2.41563 2.4459 1.2531
100M 18.5647 18.5760 0.0609
Measurement Simulation %Error
FSRF(Hz) 15.488M 15.136M 2.2727
IZI (ohm) 455.557m 454.630m 0.2035
All Rights Reserved Copyright (C) Bee Technologies Inc. 2004