(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
C50E.pdf
07.2.22
BLM21P Series
s
Features
The chip ferrite beads BLM series is designed to
function nearly as a resistor at noise frequencies,
which greatly reduces the possibility of resonance and
leaves signal wave forms undistorted.
BLM series is effective in circuits without stable
BLM_P series can be used in high current circuits due
to its low DC resistance.
Impedance
(at 100MHz/20°C)
(ohm)
22
±25%
30 (Typ.)
60
±25%
220
±25%
330
±25%
Rated Current
(mA)
6000
3000
3000
2000
1500
DC Resistance (max.)
(ohm)
0.01
0.015
0.025
0.050
0.09
0.5±0.2
1
2.0±0.2
1.25±0.2
EIA CODE : 0805
(in mm)
Part Number
BLM21PG220SH1
BLM21PG300SH1
BLM21PG600SH1
BLM21PG221SH1
BLM21PG331SH1
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
At rated current higher than 1500mA, derating is required.
Please refer to p.29, "Derating of Rated Current".
s
Equivalent Circuit
s
Impedance - Frequency (Typical)
600
450
Impedance (Ω)
BLM21PG331SH1
BLM21PG221SH1
BLM21PG600SH1
300
BLM21PG300SH1
BLM21PG220SH1
150
(Resistance element becomes dominant
at high frequencies.)
0
1
10
100
Frequency (MHz)
1000
s
Impedance - Frequency Characteristics
BLM21PG220SH1
40
60
BLM21PG300SH1
30
Z
Impedance (Ω)
Impedance (Ω)
45
R
20
Z
30
R
X
10
15
X
0
1
10
100
Frequency (MHz)
1000
0
1
10
100
Frequency (MHz)
1000
Continued on the following page.
0.85±0.2
25
!Note
• This PDF catalog is downloadedand
!CAUTION
(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
C50E.pdf
07.2.22
Continued from the preceding page.
1
s
Impedance - Frequency Characteristics
BLM21PG600SH1
120
400
BLM21PG221SH1
90
Impedance (Ω)
Impedance (Ω)
300
Z
60
R
Z
200
R
30
X
0
1
10
100
Frequency (MHz)
1000
100
X
0
1
10
100
Frequency (MHz)
1000
BLM21PG331SH1
600
450
Impedance (Ω)
Z
300
R
150
X
0
1
10
100
Frequency (MHz)
1000
BLM31P Series
s
Features
The chip ferrite beads BLM series is designed to
function nearly as a resistor at noise frequencies,
which greatly reduces the possibility of resonance and
leaves signal wave forms undistorted.
BLM series is effective in circuits without stable
BLM_P series can be used in high current circuits due
to its low DC resistance.
Impedance
(at 100MHz/20°C)
(ohm)
33
±25%
50 (Typ.)
120
±25%
390
±25%
600
±25%
Rated Current
(mA)
6000
3000
3000
2000
1500
DC Resistance (max.)
(ohm)
0.01
0.025
0.025
0.05
0.09
0.7±0.3
3.2±0.2
1.6±0.2
in mm
Part Number
BLM31PG330SH1
BLM31PG500SH1
BLM31PG121SH1
BLM31PG391SH1
BLM31PG601SH1
Operating
Temperature Range
(°C)
-55 to +125
-55 to +125
-55 to +125
-55 to +125
-55 to +125
At rated current higher than 1500mA, derating is required.
Please refer to p.29, "Derating of Rated Current".
26
1.1±0.2
!Note
• This PDF catalog is downloadedand
!CAUTION
(forMurata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our
!Note
• Please read rating from the website of storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
sales representatives or product engineers before ordering.
• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
• This PDF catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.
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