Datasheet

!Note
• Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering.
C31E.pdf
Mar.28,2011
Chip Ferrite BeadChip EMIFILr
Chip Common Mode Choke Coil
Block Type EMIFILr
Signal Lines Type
80
■ Impedance-Frequency Characteristics
Continued on the following page.
■ Impedance-Frequency Characteristics (Main Items)
■ Notice (Rating)
BLM18HK Series (For Digital Interface Lines)
BLM18HG471SN1
BLM18HG601SN1 BLM18HG102SN1
BLM18HB Series (For High Speed Signal Lines)
BLM18HD Series (For High Speed Signal Lines)
BLM18HE601SN1 BLM18HE102SN1 BLM18HE152SN1
BLM Series Signal Lines Type Chip Ferrite Bead
BLM18H Series (0603 Size)
BLM18H
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
3000
2000
2500
1500
500
1000
BLM18HD601SN1
BLM18HD471SN1
BLM18HD102SN1
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
1500
1200
900
600
300
BLM18HK471SN1
BLM18HK331SN1
BLM18HK601SN1
BLM18HK102SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
1000
750
500
250
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
1200
900
600
300
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
2000
1500
1000
500
Z
R
X
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]
125
85
400
BLM18HE152SN1
BLM18HE102SN1
BLM18HE601SN1
500
600
800
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
2000
1500
1000
500
0
BLM18HB331SN1
BLM18HB121SN1
BLM18HB221SN1
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