CO
M
PL
IA
N
T
Features
■
Formerly
■
Available in E12 series
■
Low profile of only 3.2 mm
■
Low inductance values
■
RoHS compliant*
Applications
model
■
Input/output of DC/DC converters
■
Power supplies for:
*R
oH
S
•
•
•
•
Portable communication equipment
Camcorders
LCD TVs
Car radios
PM43 Series - SMD Power Inductor
Electrical Specifications
Inductance 1 kHz
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
12
15
18
22
27
33
39
47
56
68
Tol. %
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 10
± 10
± 10
± 10
± 10
± 10
Q
Ref.
28
28
28
28
28
28
28
28
28
28
28
28
28
28
25
25
23
23
20
20
20
20
Test
Frequency
(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
SRF
Min.
(MHz)
150
110
90
80
75
65
55
50
45
40
36
33
30
28
23
20
17
15
14
13
12
11
I rms
Max.
(A)
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
I sat
Typ.
(A)
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
General Specifications
Test Voltage .......................................1 V
Reflow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
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.
RDC
(Ω)
0.033
0.038
0.042
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
1.12
3.2
±
0.3
MAX.
(.126
±
.012)
Typical Part Marking
Electrical Schematic
1.5
TYP.
(.059)
100
4.0
±
0.3
MAX.
(.157
±
.012)
Recommended Layout
4.5
(.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.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
DIMENSIONS:
MM
(INCHES)
PM43 Series - SMD Power Inductor
Packaging Specifications
330.0
(12.992)
DIA.
2.0
±
0.5
(.079
±
.020)
18.4
(.724)
THICKNESS
0.10
(.004)
MAX.
50.0
(1.969)
EMBOSSED
CAVITY
21.0
±
0.8
(.827
±
.031)
13.0
±
0.5
(.512
±
.020)
DIA.
13.0
±
0.5
DIA.
(.512
±
.020)
EMBOSSED
CARRIER
14.0
(.551)
4.0
(.157)
END
START
12
(.472)
100
100
100
100
3.4
(.134)
1.5
DIA.
(.059)
NO COMPONENT
COMPONENTS
8.0
(.315)
NO COMPONENT
160
(6.299)
3200
(125.984)
400
(15.748)
USER DIRECTION OF FEED
QTY: 1500 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
REV. 05/09
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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