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
36
0805 size for power lines.
BLM21PSeries (0805 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.
BLM21P
*Please refer to the products which are designed for both power lines and signal lines. *Please refer to BLM18K 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
BLM21PG220SN1p 22ohm±25% 6000mA 0.01ohm max. -55°C to +125°C
BLM21PG300SN1p 30ohm(Typ.) 3000mA 0.015ohm max. -55°C to +125°C
BLM21PG600SN1p 60ohm±25% 3000mA 0.025ohm max. -55°C to +125°C
BLM21PG121SN1p 120ohm±25% 3000mA 0.03ohm max. -55°C to +125°C
BLM21PG221SN1p 220ohm±25% 2000mA 0.050ohm max. -55°C to +125°C
BLM21PG331SN1p 330ohm±25% 1500mA 0.09ohm max. -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
500
400
300
100
200
0
BLM21PG220SN1
BLM21PG300SN1
BLM21PG600SN1
BLM21PG221SN1
BLM21PG331SN1
BLM21PG121SN1
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM21PG 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
4
5
6
(Resistance element becomes dominant
at high frequencies.)