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
38
1206 size for power lines.
BLM31PSeries (1206 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.
BLM31P
*Please refer to the products which are designed for both power lines and signal lines.
Code Packaging
Minimum
Quantity
L
180mm Reel Embossed Tape
3000
K
330mm Reel Embossed Tape
10000
B Bulk(Bag) 1000
Part Number
Impedance
(at 100MHz/20°C)
Rated Current
DC Resistance
Operating
Temperature Range
BLM31PG330SN1p 33ohm±25% 6000mA 0.01ohm max. -55°C to +125°C
BLM31PG500SN1p 50ohm(Typ.) 3000mA 0.025ohm max. -55°C to +125°C
BLM31PG121SN1p 120ohm±25% 3000mA 0.025ohm max. -55°C to +125°C
BLM31PG391SN1p 390ohm±25% 2000mA 0.05ohm max. -55°C to +125°C
BLM31PG601SN1p 600ohm±25% 1500mA 0.09ohm max. -55°C to +125°C
Number of Circuits: 1
1.1±0.2
3.2±0.2 1.6±0.2
0.7±0.3
(in mm)
: Electrode
Impedance (Ω)
Frequency (MHz)
1 10 100 1000 3000
0
200
400
600
800
BLM31PG391SN1
BLM31PG500SN1
BLM31PG330SN1
BLM31PG121SN1
BLM31PG601SN1
In operating temperature exceeding +85°C,
derating of current is necessary for
BLM31PG 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.)










