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]
28
For GHz band noise, also capable to large current.
BLM18ESeries (0603 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)
Continued on the following page.
Refer to pages from p.91 to p.94 for mounting information.
BLM18E
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)
Impedance
(at 1GHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM18EG101TN1p 100ohm±25% 140ohm(Typ.) 2000mA 0.045ohm max. -55°C to +125°C
BLM18EG121SN1p 120ohm±25% 145ohm(Typ.) 2000mA 0.04ohm max. -55°C to +125°C
BLM18EG221SN1p 220ohm±25% 260ohm(Typ.) 2000mA 0.05ohm max. -55°C to +125°C
BLM18EG221TN1p 220ohm±25% 300ohm(Typ.) 1000mA 0.15ohm max. -55°C to +125°C
BLM18EG331TN1p 330ohm±25% 450ohm(Typ.) 500mA 0.21ohm max. -55°C to +125°C
BLM18EG391TN1p 390ohm±25% 520ohm(Typ.) 500mA 0.3ohm max. -55°C to +125°C
BLM18EG471SN1p 470ohm±25% 550ohm(Typ.) 500mA 0.21ohm max. -55°C to +125°C
BLM18EG601SN1p 600ohm±25% 700ohm(Typ.) 500mA 0.35ohm max. -55°C to +125°C
Number of Circuits: 1
1.6±0.15 0.8±0.15
0.4±0.2
T
(in mm)
Part Number T
BLM18EGpppTN1 0.5±0.15
BLM18EGpppSN1 0.8±0.15
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
1000
800
600
200
400
0
BLM18EG391TN1
BLM18EG101TN1
BLM18EG221TN1
BLM18EG331TN1
BLM18EG_TN Series
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
1000
800
600
200
400
BLM18EG601SN1
BLM18EG121SN1
BLM18EG471SN1
BLM18EG221SN1
BLM18EG_SN Series
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM18EG series.
Please apply the derating curve shown in
chart according to the operating
temperature.
Derating
Operating Temperature [°C]
Derated Current [A]
85 125
0
1
2
3
(Resistance element becomes dominant
at high frequencies.)










