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
Power Lines Type
31
Improved DC resistance, meet larger current.
BLM15PXSeries (0402 Size)
BLM Series Power Lines Type Chip Ferrite Bead
■ Dimensions ■ Equivalent Circuit
■ Packaging
■ Impedance-Frequency Characteristics (Main Items)
■ Rated Value (p: packaging code)
Refer to pages from p.91 to p.94 for mounting information.
BLM15PX
*Please refer to the products which are designed for both power lines and signal lines.
■ Notice (Rating)
■ Impedance-Frequency Characteristics
BLM15PX121SN1
Code Packaging
Minimum
Quantity
D 180mm Reel Paper Tape 10000
J 330mm Reel Paper Tape 50000
B Bulk(Bag) 1000
Part Number
Impedance
(at 100MHz/20°C)
Rated Current DC Resistance
Operating
Temperature Range
BLM15PX121SN1p
120ohm±25% 1800mA 0.06ohm max. -55°C to +125°C
Number of Circuits: 1
0.5±0.05
0.5±0.05
1.0±0.05
0.25±0.1
(in mm)
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
240
180
120
60
0
BLM15PX121SN1
(Resistance element becomes dominant
at high frequencies.)
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM15PX series.
Please apply the derating curve shown in
chart according to the operating
temperature.
2.2
1.8A
1.0A
BLM15PX121SN1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
12585
Derating
Derated Current [A]
Operating Temperature [°C]
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
240
180
120
60
Z
R
X










