1812 Chip Inductors
PM40 Series
Part
Number
PM40-R10M
PM40-R12M
PM40-R15M
PM40-R18M
PM40-R22M
PM40-R27M
PM40-R33M
PM40-R39M
PM40-R47M
PM40-R56M
PM40-R68M
PM40-R82M
PM40-1R0K
PM40-1R2K
PM40-1R5K
PM40-1R8K
PM40-2R2K
PM40-2R7K
PM40-3R3K
PM40-3R9K
PM40-4R7K
PM40-5R6K
PM40-6R8K
PM40-8R2K
PM40-100K
PM40-120K
PM40-150K
PM40-180K
PM40-220K
PM40-270K
PM40-330K
PM40-390K
PM40-470K
PM40-560K
PM40-680K
PM40-820K
PM40-101K
PM40-121K
PM40-151K
PM40-181K
PM40-221K
PM40-271K
PM40-331K
PM40-391K
PM40-471K
PM40-561K
PM40-681K
PM40-821K
PM40-102K
L (µH)
±
20%
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
L (µH)
±
10%
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
Q
Min
28
30
30
30
30
30
30
30
30
30
30
30
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
40
40
40
40
40
30
30
30
30
30
30
30
30
Test
Freq.
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
SRF
(MHz)
Min.
700
500
450
400
350
320
300
350
320
180
160
140
100
80
70
60
55
50
45
40
35
33
27
25
20
18
17
15
13
12
11
10
10
9
9
8
7
6
5
5
4
3
3
3
3
2
2
2
2
DCR
(Ω)
Max.
0.44
0.22
0.25
0.28
0.32
0.36
0.40
0.45
0.50
0.55
0.60
0.67
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.90
1.0
1.1
1.2
1.4
1.6
2.0
2.5
2.8
3.2
3.6
4.0
4.5
5.0
5.5
6.0
7.0
8.0
8.0
9.0
9.5
10
18
20
23
26
30
40
45
50
I, DC
(mA)
450
450
450
450
450
450
450
450
450
450
450
450
450
430
410
390
380
370
355
330
315
300
285
270
250
225
200
190
180
170
160
150
140
135
130
120
110
110
105
102
100
92
85
80
62
50
50
30
30
Special Features:
•
Molded construction for high reliability
•
Superior environmental protection
•
Large terminal surface for strong PCB bonding
•
Core material:
Non magnetic, from 0.10 to 0.82µH
Iron powder, from 1.0 to120µH
Ferrite, from 150 to 1000µH
•
Operating temperature -55 to +125°C
•
Current to cause 20°C maximum temperature rise
•
Tape & reel packaged 500/reel
4.5
3.2
3.2
0.94
1.3
0.69 -/+ 0.11
3.0
1.5
4.0
Pad Layout
Tol: -/+0.2
Dim: mm
The PM40 Series is
Not Recommended
for New Designs, it
is Superceded by
the PM1812 Series
J.W.Miller
M A G N E T I C S
306 E. Alondra Blvd., Gardena, CA 90247-1059
•
(310) 515-1720
•
FAX (310) 515-1962
www.jwmiller.com
Electronics Design Contest
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