SPICE MODEL of 8RHB_4.7uH_3.2A 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 : CHOKE COIL
PART NUMBER : 8RHB
VALUE : 4.7 uH
CURRENT MAX : 3.2 A
MANUFACTURER : TOKO
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:100 to100M(Hz)
Frequency vs.|Z| and Frequency vs.θz Characteristic
Attention)
Please use SPICE MODEL within the range from 100 to 100M(Hz)
L1
C1
R1
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

3. Equivalent circuit
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

4. Frequency vs. |Z| Characteristic
Evaluation circuit
R3 V1 1
1k
0Vdc
U1
I1
1Aac 8RHB
0Adc
0
Simulation resuit
Simulation
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

5. Comparison Table
|Z|(ohm) : |Z|(ohm) :
Frequency (Hz) % Error
Measurement Simulation
1K 39.4547 m 38.068 m 3.515
1M 30.4296 28.847 5.201
10M 306.562 294.646 3.887
100M 2.41766 k 2.4858 k -2.818
Measurement Simulation % Error
F SRF (Hz) 68.693 M 68.424 M 0.392
|Z| (ohm),
at F SRF 13.8104 k 13.438 k 2.697
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004