SURFACE MOUNT EMI FILTERS
CHIP FERRITE BEADS
BLM
B Series
The BLM
B Series ferrite beads have been developed to
pass signal frequencies from 10MHz to 100MHz while
exhibiting high impedance characteristics to reduce EMI noise
above these specific frequencies.
FEATURES
I
Designed to reduce noise above operating frequencies
from 10 to 100MHz
I
High impedance characteristics
I
Small size
I
Suitable for flow and reflow soldering
APPLICATIONS
I
Computers and peripheral equipment
I
Consumer products
I
High speed circuits
I
Suitable for circuits with unstable ground
PART NUMBERING SYSTEM
BLM
11
B
152
SD
PT
CHIP FERRITE
SERIES
SIZE
10: 1.0 x 0.5mm
11: 1.6 x 0.8mm
21: 2.0 x 1.25mm
31: 3.2 x 1.6mm
HIGH SPEED SIGNALS
B: High Speed
IMPEDANCE CODE
at 100MHz
601: 600 ohms
152: 1500 ohms
CHARACTERISTICS
PACKAGING CODE
PB: Bulk
PT: Tape 7” Reel
PT1: Tape 13” Reel
SPECIFICATIONS
Dimensions: mm
Part Number
BLM10B750SB
BLM10B121SB
BLM10B221SB
BLM10B421SD
BLM10B601SD
BLM10B102SD
BLM11B050SB
BLM11B050SA
BLM11B100SB
BLM11B100SA
BLM11B220SB
BLM11B220SA
BLM11B470SB
BLM11B470SA
BLM11B600SB
BLM11B750S
BLM11B750SA
BLM11B121SB
BLM11B121SA
BLM11B121SD
BLM11B141S
BLM11B151SB
BLM11B151SD
BLM11B221SB
BLM11B221SD
BLM11B331SB
BLM11B331SD
BLM11B421S
BLM11B471SB
BLM11B471SD
BLM11B601S
Impedance
(Ohms)
Typ. at 100MHz
Rated
Current
(mA)
DCR
(Ohms max.)
Operating
Temperature
Range
0402
0.25 ± 0.1
0.5 ± 0.1
1.0 ± 0.1
0.5 ± 0.1
0603
0.4 ± 0.2
0.8 ± 0.15
1.6 ± 0.15
0.8 ± 0.15
75
120
220
420
600
1000
5
5
10
10
22
22
47
47
60
75
75
120
120
120
140
150
150
220
220
330
330
420
470
470
600
100
50
700
500
300
200
300
200
50
200
0.8
1.1
1.4
1.3
1.5
1.4
0.1
0.20
0.15
0.25
0.25
0.35
0.3
0.55
0.35
0.35
0.70
0.5
0.90
0.4
0.55
0.55
0.4
0.65
0.45
0.75
0.5
0.55
1.0
0.55
0.65
–55 ~ +125°C
Available as standard through authorized Murata Electronics Distributors.
166
CG01-J
MURATA [ MURATA MANUFACTURING CO., LTD. ]
