DUST CHOKE COILS
RoHS
Compliant
MAJOR USES
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Output choke coils for Switching Mode Power Supply
Choke coils for DC-DC converter
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Normal mode choke coils for noise control
Choke coils for Power Factor Corrective circuit
FEATURES
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Excellent characteristics in frequency and temperature
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Miniaturization and excellent D.C. bias characteristics in comparison with ferrite choke coils
by the feature of higher saturation magnetic flux density
D.C. bias of Dust core (1)
D.C. bias of Dust core (2)
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100
90
80
70
60
100
90
80
70
60
Silicon Steel Dust M=90
Silicon Steel Dust M=60
50
50
High Flux M=125
High Flux M=60
40
40
Sendust M=90
30
20
10
0
Sendust M=60
30
20
10
0
1
10
100
1,000
1
10
100
1,000
DC Magnetizing Force H [Oe]
DC Magnetizing Force H [Oe]
Core Loss Characteristics
Core Loss Characteristics
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(Magnetic Flux Density Dependency)
Sendust(Fe-Si-Al)
(Magnetic Flux Density Dependency)
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High Flux(Fe-Ni)
1,000
1,000
100
10
1
100
10
300[kHz]
200[kHz]
100[kHz]
300[kHz]
200[kHz]
100[kHz]
50[kHz]
25[kHz]
50[kHz]
25[kHz]
1
1
10
100
1,000
10,000
1
10
100
1,000
10,000
Magnetic flux density D Bp-p[mT]
Magnetic flux density D Bp-p[mT]
Core Loss Characteristics
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(Magnetic Flux Density Dependency)
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Silicon steel dust (Fe-Si)
1,000
100
10
1
300[kHz]
200[kHz]
100[kHz]
50[kHz]
25[kHz]
1
10
100
1,000
10,000
Magnetic flux density D Bp-p[mT]
(1/5)
CAT. No. E1008K