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
72
For GHz band noise, also capable to large current.
BLM18ESeries (0603 Size)
BLM Series 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.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)
Impedance
(at 1GHz/20°C)
Rated Current
DC Resistance
(max.)
Operating
Temperature Range
BLM18EG101TN1p 100ohm±25% 140ohm(Typ.) 2000mA 0.045ohm -55°C to +125°C
BLM18EG121SN1p 120ohm±25% 145ohm(Typ.) 2000mA 0.04ohm -55°C to +125°C
BLM18EG221SN1p 220ohm±25% 260ohm(Typ.) 2000mA 0.05ohm -55°C to +125°C
BLM18EG221TN1p 220ohm±25% 300ohm(Typ.) 1000mA 0.15ohm -55°C to +125°C
BLM18EG331TN1p 330ohm±25% 450ohm(Typ.) 500mA 0.21ohm -55°C to +125°C
BLM18EG391TN1p 390ohm±25% 520ohm(Typ.) 500mA 0.3ohm -55°C to +125°C
BLM18EG471SN1p 470ohm±25% 550ohm(Typ.) 500mA 0.21ohm -55°C to +125°C
BLM18EG601SN1p 600ohm±25% 700ohm(Typ.) 500mA 0.35ohm -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
BLM18EG391TN1
BLM18EG331TN1
BLM18EG221TN1
BLM18EG101TN1
1000
800
600
200
400
0
BLM18EG_TN Series
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
BLM18EG601SN1
BLM18EG221SN1
BLM18EG121SN1
0
1000
800
600
200
400
BLM18EG471SN1
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.)