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
Universal Type [Power Lines/Signal Lines]
27
For GHz band noise, also capable to large current.
BLM15ESeries (0402 Size)
BLM Series Universal Type [Power Lines/Signal Lines] Chip Ferrite Bead
■ Dimensions ■ Equivalent Circuit
■ Packaging
■
Impedance-Frequency Characteristics (Main Items)
■ Rated Value (p: packaging code)
■ Notice (Rating)
■ Impedance-Frequency Characteristics
BLM15EG121SN1 BLM15EG221SN1
Refer to pages from p.91 to p.94 for mounting information.
BLM15E
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)
Impedance
(at 1GHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM15EG121SN1p 120ohm±25% 145ohm(Typ.) 1500mA 0.095ohm max. -55°C to +125°C
BLM15EG221SN1p 220ohm±25% 270ohm(Typ.) 700mA 0.28ohm 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
0
300
200
100
BLM15EG221SN1
BLM15EG121SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
50
100
150
200
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
300
200
100
Z
R
X
Derating
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.
2.1
1.8
1.5
1.2
0.9
0.6
Derated Current (A)
Operating Temperature (°C)
45 85 125
BLM15EG121SN1
0.9
0.7
0.5
0.3
Derated Current (A)
Operating Temperature (°C)
45 85 125
BLM15EG221SN1
(Resistance element becomes dominant
at high frequencies.)