
2000 Apr 20
2
Philips Components
Product specification
Soft Ferrites
EMI-suppression beads
EMI-SUPPRESSION BEADS
Colour marking: 4S2 has a flash of yellow paint.
Fig.1 EMI suppression bead.
For dimensions see Table 1.
handbook, halfpage
d
D
L
MBA034
Table 1
Grades, parameters and type numbers; see Fig.1
Note
1.
Typical values at 100 MHz,
Z
min
is
20%.
GRADE
Z
typ
(
)
(1)
DIMENSIONS
(mm)
TYPE NUMBER
at frequency (MHz)
1
3
10
25
30
100 300
D
d
L
3S1
24
18
41
34
16
50
13
36
48
36
90
65
28
90 100
23
64
20
11
50
13
31
10
19
13
10
25
49
38
91
66
40
39
30
74
53
33
80
25
61
54
31
33
25
63
45
28
69
21
53
69
48
40
60
29
23
55
40
25
60
19
46
76
54
3
±
0.1
3
±
0.1
3
±
0.1
5.1
0.3
5.1
0.3
5.1
0.3
5.1
0.3
5.1
0.3
1.9
+
0.2
3
±
0.1
3.5
±
0.2
3.5
±
0.2
3.5
±
0.2
5.1
0.3
5.1
0.3
5.1
0.3
5.1
0.3
5.1
0.3
5.1
0.3
6.35
±
0.15
7.65
0.25
8
±
0.2
8
±
0.2
8
±
0.2
0.7 +0.1
1 +0.1/
0.05
1 +0.1/
0.05
0.75 +0.1
1.5 +0.15
1.5 +0.15
2 +0.2
2 +0.2
0.8 +0.2
1 +0.1/
0.05
1.3
±
0.1
1.3
±
0.1
1.3
±
0.1
0.75 +0.1
1.5 +0.15
1.5 +0.15
2 +0.2
2 +0.2
2 +0.2
2.95 +0.45
2.25 +0.25
2 +0.2
3 +0.2
3 +0.2
4
±
0.2
4
±
0.2
10
±
0.3
4
±
0.2
4
±
0.2
10
±
0.3
4
±
0.2
10
±
0.3
9.75
0.2
4
±
0.2
3.25
±
0.25 BD3.5/1.3/3.3-4S2
6
±
0.25 BD3.5/1.3/6-4S2
12.7
±
0.35 BD3.5/1.3/13-4S2
10
±
0.3
BD5.1/0.8/10-4S2
4
±
0.2
BD5.1/1.5/4-4S2
10
±
0.3
BD5.1/1.5/10-4S2
4
±
0.2
BD5.1/2/4-4S2
7.1
±
0.2
BD5.1/2/7.1-4S2
10
±
0.3
BD5.1/2/10-4S2
25.4
±
0.75 BD6.4/3/25-4S2
7.55
±
0.25 BD7.7/2.3/7.6-4S2
4
±
0.2
BD8/2/4-4S2
4
±
0.2
BD8/3/4-4S2
10
±
0.3
BD8/3/10-4S2
BD3/0.7/4-3S1
BD3/1/4-3S1
BD3/1/10-3S1
BD5.1/0.8/4-3S1
BD5.1/1.5/4-3S1
BD5.1/1.5/10-3S1
BD5.1/2/4-3S1
BD5.1/2/10-3S1
BD1.9/0.8/9.8-4S2
BD3/1/4-4S2
30
76
35
23
4S2
7
4
27
47
89
125
15
94
25
56
19
34
38
138 213 238
34
85 130 145
25
64 100 111
135
200
63
39
28
69 106 119
4
9
3
8
5
3
8
51
59
40
78
45
92
61
43
25
19
50
69
48