POWER MAGNETICS
Self-Leaded Surface Mount Inductors
ELECTRICAL SPECIFICATIONS at 25° C
Reference Values
Part Number
I
DC
Amps
1.40
1.00
1.40
1.30
0.94
0.90
0.72
0.74
0.71
3.4
2.8
2.7
2.7
2.6
4.8
5.4
5.5
5.1
8.0
7.8
7.2
11.5
11.4
10.4
10.9
14.3
13.9
12.4
15.4
L w/DC
L
DC
µH
6.20
17.6
29.7
58.1
114
192
383
645
1070
1.01
9.4
16.2
29.1
50.0
3.8
5.1
9.0
16.1
2.5
4.9
9.3
1.32
2.5
4.7
9.4
0.81
1.68
3.5
5.2
Control Values
L w/0D
C
L
O
µH ±20%
7.0
22.7
35.3
73.0
167
292
672
1134
1950
1.10
12.3
21.9
40.5
72.9
5.20
7.5
14.0
25.9
3.8
7.9
16.0
2.10
4.20
8.4
17.6
1.25
2.80
6.5
10.5
DCR
m
Ω
max
70.0
125
166
290
380
560
862
1250
1700
11.0
43.4
63.0
85.0
133
17.3
17.7
22.3
32.0
8.3
12.4
18.7
4.0
5.4
8.3
12.3
2.5
3.6
6.6
6.2
100 Gauss
ET
100
V-µSec
0.94
1.68
4.12
7.09
8.97
14.2
21.3
37.2
56.9
0.37
2.42
3.88
7.02
11.0
1.58
2.27
4.13
6.55
1.61
3.10
5.15
1.20
2.27
3.75
7.93
0.94
1.86
3.28
6.04
Calculation Data
1 Amp DC
H
I
Orsted
21.9
39.3
23.2
28.8
50.5
57.7
86.5
84.4
95.7
8.74
13.7
15.8
15.9
18.5
8.87
9.25
9.38
11.0
6.53
7.03
8.67
4.90
5.16
6.30
6.24
381
4.22
5.52
4.75
DCR
m
Ω
nom
60.3
109
141
233
330
472
750
1040
1480
12.5
37.8
54.7
75.8
115
14.8
14.3
19.3
30.3
7.20
10.5
16.3
3.39
4.64
7.18
10.7
2.16
3.16
5.75
5.30
PM01101
Operating temperature -30° to +130° C
ET
S581-4000-20
S581-4000-21
S581-4000-22
S581-4000-23
S581-4000-24
S581-4000-25
S581-4000-26
S581-4000-27
S581-4000-28
S581-4000-29
S581-4000-30
S581-4000-31
S581-4000-32
S581-4000-33
S581-4000-34
S581-4000-35
S581-4000-36
S581-4000-37
S581-4000-38
S581-4000-39
S581-4000-40
S581-4000-41
S581-4000-42
S581-4000-43
S581-4000-44
S581-4000-45
S581-4000-46
S581-4000-47
S581-4000-48
1.33
2.40
4.60
7.83
10.0
15.7
23.5
36.5
54.4
0.532
2.70
4.29
6.90
10.5
1.76
2.51
4.06
6.27
1.77
3.04
4.92
1.33
2.23
3.58
6.84
1.035
1.83
3.13
5.21
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1
POWER MAGNETICS
PM01101
Self-Leaded Surface Mount Inductors
SCHEMATIC
1
2
MECHANICAL
Max
Length
Max
Height
Max
Width
See next page for actual dimensions.
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 2
POWER MAGNETICS
Self-Leaded Surface Mount Inductors
MECHANICAL DIMENSIONS
Max Length
Part Number
mm
S581-4000-20
S581-4000-21
S581-4000-22
S581-4000-23
S581-4000-24
S581-4000-25
S581-4000-26
S581-4000-27
S581-4000-28
S581-4000-29
S581-4000-30
S581-4000-31
S581-4000-32
S581-4000-33
S581-4000-34
S581-4000-35
S581-4000-36
S581-4000-37
S581-4000-38
S581-4000-39
S581-4000-40
S581-4000-41
S581-4000-42
S581-4000-43
S581-4000-44
S581-4000-45
S581-4000-46
S581-4000-47
S581-4000-48
8.64
8.64
11.05
14.22
11.05
14.22
14.22
14.90
17.80
8.64
11.05
14.22
14.90
17.80
11.05
14.22
14.90
17.80
14.22
14.90
17.80
16.00
16.50
17.50
23.80
16.00
16.50
17.50
23.80
Inches
0.340
0.340
0.435
0.560
0.435
0.560
0.560
0.587
0.701
0.340
0.435
0.560
0.587
0.701
0.435
0.560
0.587
0.701
0.560
0.587
0.701
0.630
0.650
0.689
0.937
0.630
0.650
0.689
0.937
mm
8.64
8.64
11.18
14.35
11.18
14.35
14.35
15.62
17.80
8.64
11.18
14.35
15.62
17.80
11.18
14.35
15.62
17.80
14.35
15.62
17.80
15.62
17.50
17.50
23.80
15.62
17.50
17.50
23.80
Inches
0.340
0.340
0.440
0.565
0.440
0.565
0.565
0.615
0.701
0.340
0.440
0.565
0.615
0.701
0.440
0.565
0.615
0.701
0.565
0.615
0.701
0.615
0.689
0.689
0.937
0.615
0.689
0.689
0.937
mm
6.86
6.86
9.14
9.14
9.14
9.14
9.14
9.91
10.00
6.86
9.14
9.14
9.91
10.00
9.14
9.14
9.91
10.00
9.14
9.91
10.00
9.40
10.00
10.16
12.90
9.40
10.00
10.16
12.90
Inches
0.270
0.270
0.360
0.360
0.360
0.360
0.360
0.390
0.394
0.270
0.360
0.360
0.390
0.394
0.360
0.360
0.390
0.394
0.360
0.390
0.394
0.370
0.394
0.400
0.508
0.370
0.394
0.400
0.508
Max Width
Max Height
PM01101
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 3
POWER MAGNETICS
PM01101
Self-Leaded Surface Mount Inductors
Part Number
S581-4000-20
S581-4000-21
S581-4000-22
PCB Pad
Layout
A
A
B
C
B
C
C
D
E
A
B
C
D
E
B
C
D
E
C
D
E
F
G
H
I
F
G
H
I
SUGGESTED PAD LAYOUTS
0.460
[11.68]
0.270
[6.86]
A
0.300
[7.62]
0.360
[9.14]
B
0.400
[10.16]
C
0.520
[13.21]
S581-4000-23
S581-4000-24
S581-4000-25
0.060
[1.52]
0.060
[1.52]
0.060
[1.52]
S581-4000-26
S581-4000-27
S581-4000-28
S581-4000-29
0.510
[12.95]
0.590
[14.99]
D
0.550
[13.97]
E
0.620
[15.75]
F
0.500
[12.70]
S581-4000-30
S581-4000-31
S581-4000-32
0.440
[11.18]
S581-4000-33
S581-4000-34
S581-4000-35
0.060
[1.52]
0.060
[1.52]
0.080
[2.03]
S581-4000-36
S581-4000-37
S581-4000-38
G
0.570
[14.48]
H
0.640
[16.26]
I
0.830
[21.08]
S581-4000-39
S581-4000-40
S581-4000-41
0.490
[12.45]
0.560
[14.22]
0.700
[17.78]
S581-4000-42
S581-4000-43
S581-4000-44
0.080
[2.03]
0.080
[2.03]
0.080
[2.03]
S581-4000-45
S581-4000-46
S581-4000-47
S581-4000-48
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
CORPORATE
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
FAR EAST
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
EUROPE
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
page 4
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