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
Signal Lines Type
52
0603 size for general signal lines.
BLM18ASeries (0603 Size)
BLM Series Signal Lines Type 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
BLM18AG121SN1 BLM18AG151SN1 BLM18AG221SN1
Refer to pages from p.91 to p.94 for mounting information.
BLM18A
*Please refer to BLM15A for downsizing.
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
Operating
Temperature Range
BLM18AG121SN1p 120ohm±25% 500mA 0.18ohm max. -55°C to +125°C
BLM18AG151SN1p 150ohm±25% 500mA 0.25ohm max. -55°C to +125°C
BLM18AG221SN1p 220ohm±25% 500mA 0.25ohm max. -55°C to +125°C
BLM18AG331SN1p 330ohm±25% 500mA 0.30ohm max. -55°C to +125°C
BLM18AG471SN1p 470ohm±25% 500mA 0.35ohm max. -55°C to +125°C
BLM18AG601SN1p 600ohm±25% 500mA 0.38ohm max. -55°C to +125°C
BLM18AG102SN1p 1000ohm±25% 400mA 0.50ohm max. -55°C to +125°C
Number of Circuits: 1
0.4±0.2
1.6±0.15 0.8±0.15
0.8±0.15
(in mm)
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
1200
900
600
300
0
BLM18AG102SN1
BLM18AG601SN1
BLM18AG471SN1
BLM18AG331SN1
BLM18AG221SN1
BLM18AG151SN1
BLM18AG121SN1
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
200
150
100
50
0
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
200
150
100
50
0
Z
R
X
1 10 100 1000 3000
Frequency (MHz)
Impedance (Ω)
Z
R
X
0
100
200
300
(Resistance element becomes dominant
at high frequencies.)










