Datasheet

Chip Ferrite BeadChip EMIFILr
Chip Common Mode Choke Coil
Block Type EMIFILrMicrowave Absorber
!Note
• This PDF catalog 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.
• 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.
C31E.pdf
09.4.20
74
Available up to high-GHz band noise.
BLM15GSeries (0402 Size)
BLM Series Chip Ferrite Bead
■ Dimensions ■ Equivalent Circuit
■ Packaging
■ Impedance-Frequency Characteristics (Main Items)
■ Rated Value (p: packaging code)
■ Impedance-Frequency Characteristics
BLM15GA750SN1BLM15GG221SN1 BLM15GG471SN1
Refer to pages from p.82 to p.85 for mounting information.
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
(max.)
Operating
Temperature Range
BLM15GA750SN1p 75ohm±25% 1000ohm±40% 200mA 1.3ohm -55°C to +125°C
BLM15GG221SN1p 220ohm±25% 600ohm±40% 300mA 0.7ohm -55°C to +125°C
BLM15GG471SN1p 470ohm±25% 1200ohm±40% 200mA 1.3ohm -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
500
1000
1500
2000
2500
BLM15GG471SN1
BLM15GG221SN1
BLM15GA750SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
500
1000
1500
2000
2500
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
300
600
900
1200
1500
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
0
250
500
750
1000
1250
1500
Z
R
X
(Resistance element becomes dominant
at high frequencies.)