PM20-180K-RC Bourns Inc., PM20-180K-RC Datasheet
PM20-180K-RC
Manufacturer Part Number
PM20-180K-RC
Description
Power Inductors 18uH 10%
Manufacturer
Bourns Inc.
Series
PM43r
Datasheet
1.PM43-100M-RC.pdf
(2 pages)
Specifications of PM20-180K-RC
Inductance
18 uH
Tolerance
10 %
Maximum Dc Current
120 mAmps
Maximum Dc Resistance
3.6 Ohms
Self Resonant Frequency
27 MHz
Q Minimum
20
Dimensions
2.5 mm W x 3.2 mm L x 2.2 mm H
Termination Style
SMD/SMT
Package / Case
1210 (3225 metric)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications
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
Electrical Specifi cations
Typical Part Marking
START
100
FINISH
Inductance 1 kHz
(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
Ref.
28
28
28
28
28
28
28
28
28
28
28
28
28
28
25
25
23
23
20
20
20
20
Q
Frequency
(MHz)
Features
■
■
■
■
■
Test
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
PM43 Series - SMD Power Inductor
Electrical Schematic
Formerly
Available in E12 series
Low profi le of only 3.2 mm
Low inductance values
RoHS compliant*
(MHz)
SRF
Min.
150
110
90
80
75
65
55
50
45
40
36
33
30
28
23
20
17
15
14
13
12
11
J. W .Miller
0.033
0.038
0.042
0.047
0.052
0.058
0.076
0.094
RDC
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
(Ω)
model
I rms
Max.
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
(A)
I sat
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
Typ.
(A)
Applications
■
■
Test Voltage .......................................1 V
Refl ow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
Storage Temperature
Resistance to Soldering Heat
Core .......................................Ferrite DR
Wire ............Enameled copper wire 130
Terminal ................................... Ag/Ni/Sn
Rated Current
Temperature Rise ................. 40 °C max.
Packaging .................. 1500 pcs. per reel
Input/output of DC/DC converters
Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
General Specifi cations
Materials
(.059)
Recommended Layout
Product Dimensions
1.5
............................... -40 °C to +125 °C
............................... -40 °C to +125 °C
.................................260 °C for 5 sec.
..................Ind. drop 10 % typ. at Isat
DIMENSIONS:
(.177 ± .012)
(Temperature rise included)
4.5 ± 0.3
(.177)
MAX.
4.5
(.059)
1.5
(INCHES)
MM
TYP.
(.157 ± .012)
(.126 ± .012)
4.0 ± 0.3
3.2 ± 0.3
at rated Irms
(.071)
(.071)
1.8
1.8
MAX.
MAX.
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PM20-180K-RC Summary of contents
Page 1
Electrical Specifi cations Inductance 1 kHz Q Bourns Part No. (µH) Tol. % Ref. PM43-1R0M-RC 1.0 ± PM43-1R4M-RC 1.4 ± PM43-1R8M-RC 1.8 ± PM43-2R2M-RC 2.2 ± PM43-2R7M-RC 2.7 ± PM43-3R3M-RC ...
Page 2
PM43 Series - SMD Power Inductor Packaging Specifi cations 2.0 ± 0.5 (.079 ± .020) 330.0 (12.992) DIA. 21.0 ± 0.8 (.827 ± .031) 13.0 ± 0.5 DIA. (.512 ± .020) 12 (.472) 3.4 (.134) REV. 05/09 Specifi cations are ...