TransformingMagnetics
TM
SwitchmodePower
Surface Mount Drum Core
Power Inductors: DUS-5121 Series
Features
Economical, reliable SMD inductors
Inductance range: 1.0 uH to 1000 uH
Excellent current rating in a low-profile package
High energy storage and extremely low resistance
Excellent saturating (to 9A) and continuous
current capabilities (to 6.8A)
Designed for pick and place operations
Compatible with solder reflow processes to 240°C
Applications
.115 (2)
[2.92]
.290
[7.37]
.110 (2)
[2.79]
Part Num ber
DUS-5121-1R0R
DUS-5121-1R5R
DUS-5121-2R2R
DUS-5121-3R3R
DUS-5121-4R7R
DUS-5121-6R8R
DUS-5121-100R
DUS-5121-150R
DUS-5121-220R
DUS-5121-330R
DUS-5121-470R
DUS-5121-680R
DUS-5121-101R
DUS-5121-151R
DUS-5121-221R
DUS-5121-331R
DUS-5121-471R
DUS-5121-681R
DUS-5121-102R
(Note1)
Inductance
uH +/- 20%
1.0
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
(Note 2)
DCR
(ohm s m ax)
0.009
0.010
0.012
0.015
0.018
0.027
0.038
0.046
0.085
0.100
0.140
0.200
0.280
0.400
0.610
1.020
1.270
2.020
3.000
(Note 3)
Isat
(Adc)
9.00
8.00
7.00
6.40
5.40
4.60
3.80
3.00
2.60
2.00
1.60
1.40
1.20
1.00
0.80
0.60
0.50
0.40
0.30
.530
[13.46]
Industry standard, medium current inductors for
DC/DC converter supplies
Wide inductance range with medium current for
high-frequency, medium and low voltage supplies
Inductors for DC/DC conversion circuits in
notebook computer, peripheral, cellular phone,
process control,
factory automation and test industries
Useful in battery-powered and low voltage
converters
Same package size and footprint as DSS-5121
and DHC 5121 series
Environmental Specifications
(Note 4)
Icont
(Adc)
6.80
6.40
6.10
5.40
4.80
4.40
3.90
3.10
2.70
2.10
1.80
1.50
1.30
1.00
0.80
0.60
0.50
0.40
0.30
Operating temperature range:
-40°C to +85°C
Storage temperature range:
-50° to +125°C
Packaging
Parts are packaged in 24 mm embossed carrier
tape per EIA-481-2
DUS-5121 is packaged 1,000 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
22
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
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.
3/29/06
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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