SURFACE MOUNT EMI FILTERS
CHIP FERRITE BEADS
BLM
HA/HB Series
The BLM11HA/HB Series ferrite beads are designed for
standard type signals and high speed signals respectively
where the noise problem extends to the GHz range.
FEATURES
I
High impedance in the GHz range
I
Small size
I
Suitable for circuits with unstable ground
APPLICATIONS
BLM11HA
I
I/O ports
I
Signal lines
BLM11HB
I
Computers and peripheral equipment
I
High speed circuits
PART NUMBERING SYSTEM
BLM
11
HA
471
SG
PT
CHIP FERRITE
SERIES
SIZE
11: 1.6 x 0.8mm
21: 2.0 x 1.25mm
ULTRA HIGH
FREQUENCY
IMPEDANCE CODE
at 100MHz
471: 470 ohms
601: 600 ohms
CHARACTERISTICS
PACKAGING
CODE
PB: Bulk
PT: Tape 7” Reel
PT1: Tape 13” Reel
SPECIFICATIONS
Dimensions: mm
Part Number
BLM11HA471SG
BLM11HA601SG
0.8 ± 0.15
0.4 ± 0.2
Impedance (Ohms)
Typ.
@ 100MHz
@ 1GHz
600
Rated Current
(mA)
DCR
(Ohms max.)
0.85
Operating
Temperature
Range
0603
470
600
1000
470
600
1000
200
700
1000
1000
1200
1700
50
100
1.00
1.60
1.20
1.50
1.85
–55°C
~
+125°C
BLM11HA102SG
BLM11HB471SD
BLM11HB601SD
BLM11HB102SD
1.6 ± 0.15
0.8 ± 0.15
Available as standard through authorized Murata Electronics Distributors.
TYPICAL IMPEDANCE CHARACTERISTICS
BLM11A AND BLM11HA
COMPARISON
2000
Impedance (Ohms)
1500
1000
500
0
Impedance (Ohms)
BLM11HA102SG
BLM11A102S
BLM11B AND BLM11HB
COMPARISON
2000
1500
1000
500
0
BLM11HB601SD
BLM11B601S
1
10
100
1000 2000
1
10
Frequency (MHz)
100
1000
Frequency (MHz)
2000
176
CG01-J
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