Features
Applications
■ Formerly
model
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
■ Available in E12 series
■ Low profile of only 3.2 mm
■ Low inductance values
■ RoHS compliant*
• LCD TVs
• Car radios
PM43 Series - SMD Power Inductor
Electrical Specifications
General Specifications
Test Voltage.......................................1 V
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
Inductance 1 kHz
Test
SRF
I rms
Max.
(A)
I sat
Typ.
(A)
Q
Frequency Min.
RDC
Bourns Part No.
PM43-1R0M-RC
PM43-1R4M-RC
PM43-1R8M-RC
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
PM43-680K-RC
(µH)
1.0
1.4
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
Tol. %
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
Ref.
(MHz)
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
(MHz)
150
110
90
(Ω)
................................-40 °C to +125 °C
(Temperature rise included)
28
28
28
28
28
28
28
28
28
28
28
28
28
28
25
25
23
23
20
20
20
20
0.033
0.038
0.042
0.047
0.052
0.058
0.076
0.094
0.10
3.80
3.30
2.91
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
0.46
5.50
5.10
4.40
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
0.68
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
80
75
.................................260 °C for 5 sec.
65
Materials
55
Core ...................................... Ferrite DR
Wire ............Enameled copper wire 130
Terminal....................................Ag/Ni/Sn
Rated Current
50
45
40
0.12
36
0.13
...................Ind. drop 10 % typ. at Isat
Temperature Rise.................40 °C max.
at rated Irms
33
0.18
12
30
0.21
15
28
0.24
Packaging..................1500 pcs. per reel
18
23
0.34
22
20
0.38
Product Dimensions
27
17
0.52
4.5 ± 0.3
(.177 ± .012)
MAX.
33
15
0.54
39
14
0.59
47
13
0.84
56
12
0.94
3.2 ± 0.3
MAX.
68
11
1.12
(.126 ± .012)
Typical Part Marking
Electrical Schematic
1.5
(.059)
TYP.
100
4.0 ± 0.3
MAX.
(.157 ± .012)
Recommended Layout
4.5
(.177)
1.8
(.071)
1.5
(.059)
1.8
(.071)
MM
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
(INCHES)
Customers should verify actual device performance in their specific applications.