SPICE MODEL of 8RHB_470uH_0.36A 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 : 470 uH
CURRENT MAX : 0.36 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
100 912.273 m 902.509 m 1.070
1M 2.98406 k 2.9589 k 0.843
10M 2.89351 k 2.8916 k 0.066
100M 257.249 261.082 -1.490
Measurement Simulation % Error
F SRF (Hz) 3.162 M 3.1606 M 0.044
|Z| (ohm),
at F SRF 166.192 k 164.539 k 0.995
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004