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
82
BL
p
BLM02
BLM03
BLM15
BLM18
BLM21
• Except BLM03PG/15AX·PD·PG/18PG·KG·SG/21PG.
And BLM02/03/15/18G is specially adapted for reflow
soldering.
Reflow
Reflow
Reflow
Flow
(except 18G)
Reflow
Flow/
Reflow
Type
0.16-0.2
0.2-0.3
0.4
0.7
1.2
a
0.4-0.56
0.6-0.9
1.2-1.4
2.2-2.6
1.8-2.0
3.0-4.0
b
Soldering
0.2-0.23
0.3
0.5
0.7
1.0
c
oReflow and Flow
BLMppAX/P/K/S
BLM Series
BLM02
BLM03
BLM15
BLM18
BLM21
BLM31
BLM41
c
a
b
a
b
d (pattern)
c
(Except BLM
15_AN1 series)
Land Pattern
Land Pattern
+ Solder Resist
Solder Resist
(in mm)
1. Standard Land Pattern Dimensions
Soldering and Mounting
Chip Ferrite Bead
BLA2A
BLA31
oReflow Soldering
oReflow and Flow
BLA2A
BLA31
• If there are high amounts of self-heating on pattern, the
contact points of PCB and part may become damaged.
0.40.8 Pitch
2.2-2.6
2.8
0.8
0.250.5 Pitch
1.5
1.75
0.5
BLM03PG
BLM15AX
BLM15Pp
BLM18PG
BLM18KG
BLM18SG
BLM21PG
BLM31PG
BLM41PG
0.75/0.9
1.5max.
2.2max.
0.5
-
1.5
1.7
-
2.5
3
-4
6
1.5
2
3
6
1.5/2
3
6
1.5/2
3
6
0.3
0.5
0.7
1.0
1.2
0.2-0.3
0.4
0.7
1.2
2.0
3.0
3.0-4.0
4.2-5.2
5.5-6.5
0.3
0.5
1.2
0.7
1.2
2.4
6.4
1.0
1.2
2.4
6.4
1.2
2.4
6.4
1.2
2.4
6.4
0.3
0.5
0.7
0.7
0.7
1.2
3.3
1.0
1.0
1.2
3.3
1.2
1.2
3.3
1.2
1.2
3.3
0.3
0.5
0.5
0.7
0.7
0.7
1.65
1.0
1.0
1.0
1.65
1.2
1.2
1.65
1.2
1.2
1.65
18
µ
m35
µ
m70
µ
m
0.6
-
0.9
1.2
-
1.4
Type
Land Pad Thickness
and Dimension d
Rated
Current
(A)
abc
Soldering
• Do not apply narrower pattern than listed above to
BLMppAX/P/K/S.
Narrow pattern can cause excessive heat or open circuit.
Reflow
Reflow
Flow
2.2-2.6
Reflow
1.8-2.0
Flow/
Reflow