TransformingMagnetics
TM
SwitchmodePower
Surface Mount Drum Core
Power Inductors: DHC-5121
Features
Economical, high current, SMD power
inductors
Bifilar wound for high frequency
response
Operation to 1 MHz
Inductance range: 0.33 uH to
6.8 uH
Saturating current to 19.4A(dc) and
continuous current to 17.0A(dc)
DC Resistances as low as .0011 Ohm
High energy storage capability
Flat top for pick and place operations
Tape and reel packaging for automatic
handling
.115 (2)
[2.92]
.290
[7.37]
.110 (2)
[2.79]
Mounting Pattern
Applications
.530
[13.46]
Same package size and footprint as
DUS-5121 and DSS-5121 series
DC/DC Converters, high efficiency, high
frequency applications
Second stage filters
Environmental Specifications
Operating temperature range:
to +85°C
Storage temperature range:
+125°C
-40°C
-50° to
Part Num ber
DHC-5121-R33R
DHC-5121-R56R
DHC-5121-1R0R
DHC--5121-1R5R
DHC-5121-2R2R
DHC-5121-2R7R
DHC--5121-3R3R
DHC-5121-4R7R
DHC--5121-5R3R
DHC-5121-6R8R
Inductance
uH + /- 20%
0. 33
0. 56
1. 00
1. 50
2. 20
2. 70
3. 30
4. 70
5. 30
6. 80
(Note 1)
OCL
uH + /- 20%
0. 313
0. 576
1. 010
1. 500
2. 030
2. 730
3. 400
4. 420
5. 260
6. 590
(Note 2)
DCR m ax
(ohm s m ax)
0. 0016
0. 0027
0. 0040
0. 0061
0. 0072
0. 0106
0. 0120
0. 0168
0. 0186
0. 0259
(Note 3)
Isat
(Adc)
19. 4
15. 0
11. 1
9. 1
7. 0
6. 8
6. 1
5. 1
4. 8
4. 3
(Note 4)
Icont
(Adc)
17. 0
13. 0
11. 0
9. 0
8. 0
6. 8
6. 1
5. 1
4. 8
4. 3
Packaging
Parts are packaged in 24 mm embossed
carrier tape per
EIA-481-2
DHC-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
14
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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