SURFACE MOUNT EMI FILTERS
CHIP FERRITE BEADS
BLM
TYPICAL IMPEDANCE CHARACTERISTICS
BLM21B421S
1000
Impedance (Ohms)
Impedance (Ohms)
800
600
400
200
0
1
10
100
1000
Frequency (MHz)
B Series
BLM21B471SB
2000
BLM21B471SD
1500
Impedance (Ohms)
1200
900
600
300
0
1
10
100
1000
1600
1200
800
400
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
BLM21B601S
1500
Impedance (Ohms)
BLM21B751S
1200
Impedance (Ohms)
1000
800
600
400
200
0
1
10
100
1000
BLM21B751SD
1500
Impedance (Ohms)
1200
900
600
300
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
1200
900
600
300
0
1
10
100
1000
Frequency (MHz)
BLM21B102S
2000
Impedance (Ohms)
1600
1200
800
400
0
1
10
100
1000
Frequency (MHz)
BLM21B152SD
2500
Impedance (Ohms)
2000
1500
1000
500
0
1
10
100
1000
Frequency (MHz)
BLM21B182SD
2400
Impedance (Ohms)
1800
1200
600
0
1
10
100
1000
Frequency (MHz)
BLM21B222SD
3000
Impedance (Ohms)
BLM21B222S
3000
Impedance (Ohms)
2400
1800
1200
600
0
1
10
100
1000
BLM21B272S
3000
Impedance (Ohms)
2400
1800
1200
2400
1800
1200
600
0
1
10
100
1000
SURFACE MOUNT
EMI FILTERS
600
0
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM31B601F
I
800
Impedance (Ohms)
600
400
200
0
1
10
100
1000
Frequency (MHz)
CG01-J
171