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Features
Applications
■ Formerly
■ Available in E12 series
model
■ Input/output of DC/DC converters
■ Power supplies for:
■ Low pro?le of only 3.2 mm
■ Low inductance values
■ RoHS compliant*
?
?
?
?
Portable communication equipment
Camcorders
LCD TVs
Car radios
PM43 Series - SMD Power Inductor
Electrical Speci?cations
General Speci?cations
Bourns Part No.
PM43-1R0M-RC
PM43-1R4M-RC
PM43-1R8M-RC
Inductance 1 kHz
(μH) Tol. %
1.0 ± 20
1.4 ± 20
1.8 ± 20
Q
Ref.
28
28
28
Test
Frequency
(MHz)
7.96
7.96
7.96
SRF
Min.
(MHz)
150
110
90
RDC
( Ω )
0.033
0.038
0.042
I rms
Max.
(A)
3.80
3.30
2.91
I sat
Typ.
(A)
5.50
5.10
4.40
Test Voltage .......................................1 V
Re?ow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
PM43-2R2M-RC
PM43-2R7M-RC
PM43-3R3M-RC
PM43-3R9M-RC
PM43-4R7M-RC
PM43-5R6M-RC
PM43-6R8M-RC
PM43-8R2M-RC
PM43-100M-RC
PM43-120M-RC
PM43-150M-RC
PM43-180M-RC
PM43-220M-RC
PM43-270K-RC
PM43-330K-RC
PM43-390K-RC
PM43-470K-RC
PM43-560K-RC
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
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 10
± 10
± 10
± 10
± 10
28
28
28
28
28
28
28
28
28
28
28
25
25
23
23
20
20
20
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
80
75
65
55
50
45
40
36
33
30
28
23
20
17
15
14
13
12
0.047
0.052
0.058
0.076
0.094
0.10
0.12
0.13
0.18
0.21
0.24
0.34
0.38
0.52
0.54
0.59
0.84
0.94
2.60
2.43
2.15
1.98
1.70
1.60
1.41
1.26
1.15
1.05
0.92
0.84
0.76
0.71
0.64
0.59
0.54
0.50
3.90
3.50
3.00
2.70
2.60
2.40
2.10
1.90
1.70
1.60
1.40
1.30
1.20
1.00
0.99
0.92
0.78
0.74
Resistance to Soldering Heat
................................. 260 °C for 5 sec.
Materials
Core ...................................... Ferrite DR
Wire ............ Enameled copper wire 130
Terminal ....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ................. 40 °C max.
at rated Irms
Packaging .................. 1500 pcs. per reel
Product Dimensions
4.5 ± 0.3
(.177 ± .012)
MAX.
PM43-680K-RC
68
± 10
20
2.52
11
1.12
0.46
0.68
3.2 ± 0.3
(.126 ± .012)
MAX.
Typical Part Marking
Electrical Schematic
100
1.5
(.059)
TYP.
4.0 ± 0.3
(.157 ± .012)
Recommended Layout
4.5
MAX.
(.177)
1.8
(.071)
1.5
(.059)
1.8
(.071)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
DIMENSIONS:
MM
(INCHES)
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