SURFACE MOUNT EMI FILTERS
CHIP FERRITE BEADS
BLMꢀꢀB Series
TYPICAL IMPEDANCE CHARACTERISTICS
BLM21B421S
BLM21B471SB
BLM21B471SD
1000
2000
1600
1200
800
1500
1200
900
800
600
400
600
200
400
0
300
0
0
1
10
100
1000
1000
1000
1000
1
10
100
1000
1000
1000
1
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21B601S
BLM21B751S
BLM21B751SD
1500
1200
1000
1500
1200
900
1200
900
800
600
400
200
600
600
300
300
0
1
0
1
0
1
10
100
10
100
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21B182SD
BLM21B102S
BLM21B152SD
2400
2000
2500
1600
1200
800
2000
1500
1000
1800
1200
600
0
400
500
0
0
1
1
10
100
1000
10
100
1
10
100
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM21B222SD
BLM21B222S
BLM21B272S
3000
3000
3000
2400
2400
2400
1800
1200
1800
1200
1800
1200
600
600
600
0
0
1
0
1
10
100
1000
1
10
100
10
100
1000
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
BLM31B601FI
800
600
400
200
0
1
10
100
1000
Frequency (MHz)
CG01-J
171