Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
1
For Automotive
Chip Ferrite Bead for Automotive
BLM31P Series (1206 Size)
c
Dimensions
0.7±0.3
c
Equivalent Circuit
3.2±0.2
1.6±0.2
1.1±0.2
(Resistance element becomes dominant
at high frequencies.)
: Electrode
(in mm)
c
Packaging
Code
L
K
B
Packaging
180mm Embossed Tape
330mm Embossed Tape
Bulk(Bag)
Minimum Quantity
3000
10000
1000
c
Rated Value (p: packaging code)
Part Number
BLM31PG330SH1p
BLM31PG500SH1p
BLM31PG121SH1p
BLM31PG391SH1p
BLM31PG601SH1p
Number of Circuits: 1
Continued on the following page.
Impedance
(at 100MHz/20°C)
33ohm ±25%
50ohm (Typ.)
120ohm ±25%
390ohm ±25%
600ohm ±25%
Impedance
(at 1GHz/20°C)
-
-
-
-
-
Rated Current
6000mA
3500mA
3500mA
2000mA
1500mA
DC Resistance
0.009ohm max.
0.015ohm max.
0.02ohm max.
0.05ohm max.
0.08ohm max.
Operating
Temperature Range
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
-55 to +125°C
oThis
data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata 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 sales representatives or product engineers before ordering.
2. This datasheet 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.
2012.9.6
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
Continued from the preceding page.
2
c
Derating of Rated Current
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM31PG series.
Please apply the derating curve shown in
chart according to the operating
temperature.
Derating of Rated Current
6000
Rated Current (mA)
3500
2000
1500
1000
0
0
85
Operating Temperature (°C)
125
c
Impedance-Frequency Characteristics (Main Items)
800
c
Impedance-Frequency Characteristics
BLM31PG330SH1
BLM31PG601SH1
600
BLM31PG391SH1
Impedance (Ω)
Impedance (Ω)
BLM31PG121SH1
BLM31PG500SH1
BLM31PG330SH1
200
50
40
30
20
10
0
X
Z
R
400
1
10
0
1
10
100
Frequency (MHz)
1000
3000
100
Frequency (MHz)
1000
3000
Continued on the following page.
oThis
data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata 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 sales representatives or product engineers before ordering.
2. This datasheet 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.
2012.9.6
http://www.murata.com/
Noise Suppression Products/EMI Suppression Filters > For Automotive > Chip Ferrite Bead for Automotive
Data Sheet
Continued from the preceding page.
3
c
Impedance-Frequency Characteristics
BLM31PG500SH1
80
Z
60
Impedance (Ω)
R
40
X
20
c
Impedance-Frequency Characteristics
BLM31PG121SH1
200
160
Impedance (Ω)
120
R
80
X
40
0
Z
0
1
10
100
Frequency (MHz)
1000
3000
1
10
100
Frequency (MHz)
1000
3000
c
Impedance-Frequency Characteristics
BLM31PG391SH1
500
Z
400
Impedance (Ω)
c
Impedance-Frequency Characteristics
BLM31PG601SH1
800
Z
Impedance (Ω)
R
300
200
100
0
X
600
R
400
200
X
1
10
100
Frequency (MHz)
1000
3000
0
1
10
100
Frequency (MHz)
1000
3000
c !Caution/Notice
!Caution
(Rating)
1. Do not use products beyond the rated current as
this may create excessive heat and deteriorate
the insulation resistance.
2. Be sure to provide an appropriate fail-safe
function on your product to prevent a second damage
that may be caused by the abnormal function or
the failure our product.
Notice
Solderability of Tin plating termination chip might be
deteriorated when low temperature soldering profile
where peak solder temperature is below the Tin melting
point is used. Please confirm the solderability of Tin
plating termination chip before use.
oThis
data sheet is applied for CHIP FERRITE BEAD used for Automotive Electronics equipment for your design.
!Note:
1. This datasheet is downloaded from the website of Murata 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 sales representatives or product engineers before ordering.
2. This datasheet 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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