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
30
0805 size for general signal lines.
BLM21ASeries (0805 Size)
BLM Series Chip Ferrite Bead
■ Dimensions ■ Equivalent Circuit
■ Packaging
■ Impedance-Frequency Characteristics (Main Items)
■ Rated Value (p: packaging code)
Continued on the following page.
■ Impedance-Frequency Characteristics
BLM21AG121SN1 BLM21AG151SN1 BLM21AG221SN1
Refer to pages from p.82 to p.85 for mounting information.
Code Packaging
Minimum
Quantity
D 180mm Reel Paper Tape 4000
J 330mm Reel Paper Tape 10000
B Bulk(Bag) 1000
Part Number
Impedance
(at 100MHz/20°C)
Rated Current
DC Resistance
(max.)
Operating
Temperature Range
BLM21AG121SN1p 120ohm±25% 200mA 0.15ohm -55°C to +125°C
BLM21AG151SN1p 150ohm±25% 200mA 0.15ohm -55°C to +125°C
BLM21AG221SN1p 220ohm±25% 200mA 0.20ohm -55°C to +125°C
BLM21AG331SN1p 330ohm±25% 200mA 0.25ohm -55°C to +125°C
BLM21AG471SN1p 470ohm±25% 200mA 0.25ohm -55°C to +125°C
BLM21AG601SN1p 600ohm±25% 200mA 0.30ohm -55°C to +125°C
BLM21AG102SN1p 1000ohm±25% 200mA 0.45ohm -55°C to +125°C
Number of Circuits: 1
2.0±0.2
0.5±0.2
1.25±0.2
EIA CODE : 0805
0.85±0.2
(in mm)
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
1200
900
600
300
0
BLM21AG331SN1
BLM21AG221SN1
BLM21AG601SN1
BLM21AG471SN1
BLM21AG121SN1
BLM21AG102SN1
BLM21AG151SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
200
150
100
50
0
R
X
Z
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
200
150
100
50
0
R
X
Z
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
400
300
200
100
0
R
X
Z
(Resistance element becomes dominant
at high frequencies.)