SURFACE MOUNT EMI FILTERS
CHIP FERRITE BEADS
BLM
TYPICAL IMPEDANCE CHARACTERISTICS
BLM21A151SG
250
A Series
BLM21A221SG
400
Impedance (Ohms)
320
240
160
80
0
1
10
100
1000
Impedance (Ohms)
BLM21A331SG
500
400
300
200
100
0
1
10
100
1000
Impedance (Ohms)
200
150
100
50
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21A401S
500
Impedance (Ohms)
BLM21A471SG
1000
BLM21A601F
1000
Impedance (Ohms)
800
600
400
200
0
1
10
100
1000
400
300
200
100
0
1
10
100
1000
Impedance (Ohms)
800
600
400
200
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21A601R
1000
Impedance (Ohms)
BLM21A601S
1000
Impedance (Ohms)
Impedance (Ohms)
10
100
1000
800
600
400
200
0
1
BLM21A102F
1500
1200
900
600
300
0
1
10
100
1000
800
600
400
200
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21A102S
1500
BLM31A260S
50
Impedance (Ohms)
Impedance (Ohms)
40
30
20
10
01
10
100
1000
BLM31A700S
100
80
60
40
20
0
1
10
100
1000
Impedance (Ohms)
1200
900
600
300
0
1
10
100
1000
Frequency (MHz)
SURFACE MOUNT
EMI FILTERS
Frequency (MHz)
Frequency (MHz)
BLM31A601S
1000
Impedance (Ohms)
800
600
400
200
0
1
10
(For low speed signal line)
BLM41A800S
100
Impedance (Ohms)
Impedance (Ohms)
1
10
100
1000
80
60
40
20
0
Frequency (MHz)
BLM41A151S
200
160
120
80
40
0
1
10
100
1000
Frequency (MHz)
100
1000
Frequency (MHz)
CG01-I
167
MURATA [ MURATA MANUFACTURING CO., LTD. ]
