(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E11.pdf 04.3.8
On-Board Type (DC) EMI Suppression Filters (EMIFILr)
GHz Noise Suppression Chip Ferrite Beads BLM15H/15E/18H/18E/18G Series
1
Excellent high frequency impedance characteristics
with 0402 (EIA) size.
s
Equivalent Circuit
s
Features
1. Small size: 1.0x0.5mm (0402)
2. Suitable for noise suppression in 1GHz or higher
frequency
3. Low DC Resistance/Large Rated Current (BLM15E)
4. No Lead production using Ni+Sn plating in
termination
(Resistance element becomes dominant
at high frequencies.)
s
Applications
1. EMI suppression for Note PC and DSC
2. Noise suppression for data line in mobile phone
3. Prevention of erroneous operation caused by local
oscillation signal in mobile phone
4. Optical pickup modules
BLM15H Series (0402 Size)
0.25±0.1
1.0±0.05
0.5±0.05
(in mm)
Part Number
BLM15HG601SN1
BLM15HG102SN1
BLM15HD601SN1
BLM15HD102SN1
Impedance
(at 100MHz/20 degree C)
(ohm)
600
±25%
1000
±25%
600
±25%
1000
±25%
Impedance
(at 1GHz/20 degree C)
(ohm)
1000
±40%
1400
±40%
1400
±40%
2000
±40%
Rated Current
(mA)
200
100
100
50
DC Resistance (max.)
(ohm)
1.3
2.0
1.7
2.3
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
56
0.5±0.05
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E11.pdf 04.3.8
s
Impedance-Frequency (Typical)
BLM15HG Series
1800
2500
BLM15HD Series
1500
BLM15HG102SN1
2000
1200
Impedance (Ω)
BLM15HG601SN1
900
Impedance (Ω)
1500
BLM15HD102SN1
1000
BLM15HD601SN1
600
1
300
500
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
s
Impedance-Frequency Characteristics
BLM15HG601SN1
1200
1800
BLM15HG102SN1
1500
900
Impedance (Ω)
Impedance (Ω)
1200
Z
900
R
Z
600
R
600
300
X
0
1
10
100
Frequency (MHz)
1000
3000
300
X
0
1
10
100
Frequency (MHz)
1000
3000
BLM15HD601SN1
2000
2500
BLM15HD102SN1
1600
2000
Impedance (Ω)
1200
Impedance (Ω)
1500
Z
R
1000
X
800
Z
R
400
X
500
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
57
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E11.pdf 04.3.8
BLM15E Series (0402 Size)
0.25±0.1
1
1.0±0.05
0.5±0.05
(in mm)
Part Number
BLM15EG121SN1
BLM15EG221SN1
Impedance
(at 100MHz/20 degree C)
(ohm)
120
±25%
220
±25%
Impedance
(at 1GHz/20 degree C)
-
-
Rated Current
(mA)
1500
700
DC Resistance (max.)
(ohm)
0.10
0.28
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
s
Impedance-Frequency (Typical)
BLM15EG Series
400
300
Impedance (Ω)
BLM15EG221SN1
200
BLM15EG121SN1
100
0
1
10
100
Frequency (MHz)
1000
3000
s
Impedance-Frequency Characteristics
BLM15EG121SN1
200
400
BLM15EG221SN1
150
Z
Impedance (Ω)
Impedance (Ω)
300
Z
R
200
R
100
X
50
100
X
0
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
Continued on the following page.
58
0.5±0.05
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E11.pdf 04.3.8
Continued from the preceding page.
Notice (Rating)
In operating temperature exceeding +85°C, derating of
current is necessary for BLM15E series.
Please apply the derating curve shown in chart according to
the operating temperature.
[Derating]
2.1
1.8
Derated Current (A)
BLM15EG121SN1
1.5
1.2
1
0.9
0.6
45
85
Operating Temperature (D)
125
0.9
BLM15EG221SN1
Derated Current (A)
0.7
0.5
0.3
45
85
Operating Temperature (D)
125
59
Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
!Note
•Please read rating and
!CAUTION
(for storage, operating, rating, soldering, mounting and handling) in this PDF catalog to prevent smoking and/or burning, etc.
•This catalog has only typical specifications. Therefore,thereareno space for detailed specifications. Therefore, please approve our productsheet for product specifications before ordering. product specifications before ordering.
This catalog has only typical specifications because you is requested to approve our product specifications or to transact the approval specifications or transact the approval sheet for
C31E11.pdf 04.3.8
s
BLM18 Series
BLM18H/BLM18E series has a modified internal electrode
structure, that minimizes stray capacitance and
increases the effective frequency range.
s
Equivalent Circuit
s
Features (BLM18H series)
1
1. BLM18H series realizes high impedance at 1GHz and
is suitable for noise suppression from 500MHz to
GHz range. The impedance value of HG/HD-type is
about three times as large as that of A/B-type at
1GHz though the impedance characteristic of
HG/HD-type is similar to A-type at 100MHz or less.
2. HG-type is effective in noise suppression in wide
frequency range (several MHz to several GHz).
HB/HD-type for high-speed signal line provides a
sharper roll-off after the cut off frequency.
HK-type for digital interface is effective in
suppressing the ringing because resistance
especially grows in the lower frequency.
3. The magnetic shielded structure minimizes cross talk.
(Resistance element becomes dominant
at high frequencies.)
s
Features (BLM18E series)
1. Low DC Resistance and a large Rated Current are
suitable for noise suppression of the driver
circuit.
2. Excellent direct current characteristics
3. Thin type (t=0.5mm) is suitable for small and low
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