TransformingMagnetics
TM
SwitchmodePower
High Current Surface Mount Drum Core
Power Inductors: DHC-7328 Series
Features
Economical, reliable SMD inductors
Inductance range: 0.47 uH to 10 uH
Excellent current rating in a low-profile
package
High energy storage and extremely low
resistance
Excellent saturating (to 45A) and
continuous (> 20A) current ratings
Designed for pick and place operations
Compatible with solder reflow processes
to 240°C
Same footprint as DUS-7328 and DHC-
7342 series
Applications
.115 (2)
[2.92]
.490
[12.45]
[12.75]
.720
[18.29]
.110 (2)
[2.79]
Mounting Pattern
Part Number
Inductan-
ce
(uH ref)
0.47
0.82
1.5
2.2
3.3
4.5
6.8
10
(Note 1)
OCL
uH +/- 20%
0.47
0.82
1.34
2.12
3.60
4.77
6.41
9.39
(Note 2)
DCR max
(ohms
max)
0.0015
0.0020
0.0033
0.0051
0.0070
0.0090
0.0140
0.0214
(Note
3)
Isat
(Adc)
45.00
34.00
28.90
23.50
19.00
15.60
13.50
11.00
(Note
4)
Icont
(Adc)
21.9
18.5
14.6
11.7
10.0
8.6
7.1
5.7
Highest current in a low profile inductor for
DC/DC converter supplies
Low inductance with bifilar windings for
high-frequency, high-current, low-voltage
supplies
Inductors for DC/DC conversion circuits in
notebook computer, peripheral, process
control, factory automation and test
industries
Useful in higher current rated, medium and
low voltage converters
Environmental Specifications
Operating temperature range:
-40°C to +85°C
Storage temperature range:
-50°C to +125°C
DHC-7328-R47R
DHC-7328-R82R
DHC-7328-1R5R
DHC-7328-2R2R
DHC-7328-3R3R
DHC-7328-4R5R
DHC-7328-6R8R
DHC-7328-100R
Packaging
Parts are packaged in 32 mm embossed
carrier tape per
EIA-481-3
DHC-7328 is packaged 400 pieces per 13
reel
NOTES:
1 Open circuit inductance test at 100KHz, 0.1 Vrms, 0.0Adc
2 DCR limits at 20
°
C
3 Saturating DC current for approximately 20% rolloff from initial inductance
4 Continuous DC current for approximate temperature rise of 40
°
C from a 25
°
C ambient
3/29/06
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
www.midcom.com.cn ~ email:sye@midcom-inc.com
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