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
Power Lines Type
44
6A Max, high performance type for power lines.
BLM18SSeries (0603 Size)
BLM Series Power Lines Type 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.
BLM18S
*Please refer to the products which are designed for both power lines and signal lines.
Code Packaging
Minimum
Quantity
D 180mm Reel Paper Tape 10000
J 330mm Reel Paper Tape 30000
B Bulk(Bag) 1000
Part Number
Impedance
(at 100MHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM18SG260TN1p 26ohm±25% 6000mA 0.007ohm max. -55°C to +125°C
BLM18SG700TN1p 70ohm±25% 4000mA 0.020ohm max. -55°C to +125°C
BLM18SG121TN1p 120ohm±25% 3000mA 0.025ohm max. -55°C to +125°C
BLM18SG221TN1p 220ohm±25% 2500mA 0.040ohm max. -55°C to +125°C
BLM18SG331TN1p 330ohm±25% 1500mA 0.070ohm max. -55°C to +125°C
Number of Circuits: 1
1.6±0.15 0.8±0.15
0.4±0.2
0.5±0.15
(in mm)
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
100
200
300
400
BLM18SG331TN1
BLM18SG121TN1
BLM18SG700TN1
BLM18SG260TN1
BLM18SG221TN1
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM18SG 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
1.5
2.5
4
5
6
(Resistance element becomes dominant
at high frequencies.)