Datasheet

1
Data Sheet
!
Note:
1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifi cations 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 specifi cations because there is no space for detailed specifi cations. Therefore, please approve our product
specifi cations or transact the approval sheet for product specifi cations before ordering.
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1
Noise Suppression Products/EMI Suppression Filters > EMIFIL
r
(Inductor type) > Chip Ferrite Bead for GHz Noise
2013.9.5
o
This data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design.
EMIFIL
r
(Inductor type)
Chip Ferrite Bead for GHz Noise
BLM15EG Series (0402 Size)
c
Dimensions
0.5±0.05
0.5±0.05
1.0±0.05
0.25±0.1
(in mm)
: Electrode
c
Equivalent Circuit
(Resistance element becomes dominant
at high frequencies.)
c
Packaging
Code Packaging Minimum Quantity
D
180mm Paper Tape 10000
J
330mm Paper Tape 50000
B
Bulk(Bag) 1000
c
Rated Value (
p
: packaging code)
Part Number
Impedance
(at 100MHz/20°C)
Impedance
(at 1GHz/20°C)
Rated Current DC Resistance
Operating
Temperature Range
BLM15EG121SN1
p
120ohm ±25% 145ohm (Typ.) 1500mA 0.095ohm max. -55 to +125°C
BLM15EG221SN1
p
220ohm ±25% 270ohm (Typ.) 700mA 0.28ohm max. -55 to +125°C
Number of Circuits: 1
c
Derating of Rated Current
Derating of Rated Current
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.
1500
900
Rated Current (mA)
Rated Current (mA)
Operating Temperature (°C)
85 125
BLM15EG121SN1
700
500
Operating Temperature (°C)
85 125
BLM15EG221SN1
0
0
0
0
Continued on the following page.