Datasheet

Chip Ferrite BeadChip EMIFILr
Chip Common Mode Choke Coil
Block Type EMIFILrMicrowave Absorber
!Note
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C31E.pdf
09.4.20
68
■ Impedance-Frequency Characteristics
Continued on the following page.
■ Impedance-Frequency Characteristics (Main Items)
■ Notice (Rating)
BLM18HK Series
BLM18HG471SN1 BLM18HG601SN1 BLM18HG102SN1
BLM18HB Series
BLM18HD Series
BLM18HE601SN1 BLM18HE102SN1 BLM18HE152SN1
BLM Series Chip Ferrite Bead
BLM18H Series (0603 Size)
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
4000
3000
2000
1000
BLM18HD601SN1
BLM18HD471SN1
BLM18HD102SN1
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
1600
1200
800
400
BLM18HK102SN1
BLM18HK601SN1
BLM18HK331SN1
BLM18HK471SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
R
X
0
800
600
400
200
Z
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
R
X
0
1000
750
500
250
Z
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
R
X
0
2000
1500
1000
500
Z
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM18HE series.
Please apply the derating curve shown in
chart according to the operating
temperature.
Derating
Derated Current [mA]
Operating Temperature [°C]
12585
400
BLM18HE152SN1
BLM18HE102SN1
BLM18HE601SN1
500
600
800
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
BLM18HB121SN1
BLM18HB221SN1
BLM18HB331SN1
1600
1200
800
400
0
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
200
400
600
800
1000
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
500
1000
1500
2000
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
500
1000
1500
2000
2500
Z
R
X