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Surface Mount Drum Core Inductors:
DUW-3519 Series
Features
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Economical, reliable SMD inductors
Inductance range: 0.18 to 47 µH
Low-profile package
High energy storage and low
resistance
Current capabilities to 14A
Designed for pick and place
Compatible with 240ºC reflow
profiles
Applications
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DC/DC converter supplies
High-frequency, medium and low
voltage supplies
Notebook computer, PDAs,
peripheral, cell phone, process
control, factory automation and test
applications
Battery-powered and low voltage
converters
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Environmental Specifications
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Operating temp range: -40º to +85ºC
Storage temp range: -50º to +125ºC
Part Number
DUW-3519-R18R
DUW-3519-R33R
DUW-3519-R56R
DUW-3519-1R2R
DUW-3519-2R2R
DUW-3519-3R3R
DUW-3519-4R7R
DUW-3519-6R8R
DUW-3519-100R
DUW-3519-150R
DUW-3519-220R
DUW-3519-330R
DUW-3519-470R
Note1:
Note2:
Note3:
Note4:
Inductance DCR Max. I
SAT
ADC I
cont
ADC
(Note3)
(Note4)
Ω
(Note2)
uH
(Note1)
0.18
0.003
14
8
0.33
0.004
10
6
0.56
0.010
7.7
6
1.2
0.017
5.3
4.4
2.2
0.035
3.5
3.1
3.3
0.400
3.0
2.7
4.7
0.540
2.6
2.2
6.8
0.800
2.3
1.9
10
0.111
1.9
1.5
15
0.170
1.5
1.2
22
0.300
1.2
1.0
33
0.370
0.99
0.82
47
0.470
0.87
0.72
Packaging
SRF
MHz Typ.
350
200
150
100
60
50
42
35
28
20
17
15
12
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Embossed 16mm carrier tape
1450 pieces per 13” reel
Inductance values at 100kHz, 250mV, 0ADC
DCR limits a 20ºC
Saturating DC current for 30% roll-off from the initial inductance
Icont is the current that causes an approximate 40°C temperature rise
Details subject to change. Contact your Midcom sales representative for additional information. Dimensions: in/mm. All tolerances are
±.010/0,25
and electrical specifications are @25°C unless otherwise specified.
Midcom, Inc. USA
121 Airport Drive – PO Box 1330
Watertown, SD 57201
T: 605.886.4385 ~ F: 605.886.4486
www.midcom-inc.com ~ email:sales@midcom-inc.com
Midcom, Inc. China
10/F Spectrum Tower 53 Hung to Road
Kwun Tong, Kowloon, HK
T: 852.2320.4221 ~ F: 852.2352.3272
email: asiasales@midcom-inc.com
10/19/2006
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