®
HC3 Series
HIGH CURRENT 3
Power Inductors
Description
• High Density, high current/low voltage applications
• Foil technology that adds higher reliability factor over the
traditional magnet wire used for higher frequency circuit
designs
• Current range from 78.0 to 33.8 Amps
• Inductance range from 0.50uH to 6.52uH
Applications
• Next generation microprocessors
• Energy storage applications
• DC-DC converters
• Computers
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating ambient temperature range: -40°C to +85°C
• Infrared reflow temperature: +260°C for 10 seconds
maximum
Part
Number
HC3-R50
HC3-1R0
HC3-2R2
HC3-3R3
HC3-4R7
HC3-5R6
HC3-6R0
Rated
Inductance
µH
0.50
1.0
2.2
3.3
4.7
5.6
6.0
OCL (1)
nominal
+/-20% µH
0.50
1.05
2.05
3.63
4.98
5.68
6.52
Irms (2)
Amperes
(Typ.)
78.00
78.00
55.50
42.45
33.80
33.80
33.80
Packaging
• Supplied in bulk packaging, 24 parts per tray
Isat (3)
Amperes
(Typ.)
120
78
60
46
38
34.5
30.0
DCR (mΩ)
max. @
20°C
0.42
0.42
0.70
1.20
2.17
2.17
2.17
Volts (4)
µSec (VµS)
(ref.)
17.33
17.33
26.01
34.65
43.30
43.30
43.30
1) Test Parameters: 300kHz, 0.25 Vrms
2) DC current for approximately
∆T
of 40°C without core loss
De-rating is necessary for AC currents. PCB layout, trace thickness and width,
air flow and proximity of other heat generating components will affect temperature
rise. It is recommended that the temperature of the part not exceed 125°C under
worst case conditions verified in the end application.
3) Peak current for approximately 30% rolloff (@20°C)
4) Applied Volt-Time product (V-µS) across the inductor. This value represents the
applied V-µS at 300kHz necessary to generate a core loss equal to 10% of the
total losses for a 40°C temperature rise.
Part number definition:
First 3 characters = Product code and size.
Last 3 characters = Inductance in uH. R = Decimal point. If no R is present, third
character = # of zeros.
wwllyy = (Date Code)
R = Revision Level
Mechanical Diagrams
TOP VIEW
14.5 typ
1
RECOMMENDED
PCB PAD LAYOUT
FRONT VIEW
SCHEMATIC
22.0
30.0 max
HC3
wwllyy R
5.50
19.0
5.50
4.0 typ
HT max
2
3.0 typ
25.3 max
Part Number
HC3-R50
HC3-1R0
HC3-2R2
HC3-3R3
HC3-4R7
HC3-5R6
HC3-6R0
Height max
18.0
17.5
17.5
17.5
17.5
17.5
17.5
®
HC3 Series
HIGH CURRENT 3
Power Inductors
Rolloff
OCL vs Isat
100
90
80
70
% of OCL
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
90
100
110
120
130
% of Isat
Core Loss
Irms DERATING W ITH CORE LOSS for HC3
% Applied Volt-u Seconds
10
30
30
50
70
90
110
130
150
170
190
%of Irms specified from
zero ripple application
40
50
100kHz
200kHz
300kHz
400kHz
500kHz
60
70
80
90
100
PM-4122 1/05
© Cooper Electronic
Technologies 2005
Visit us on the Web at www.cooperET.com
3601 Quantum Boulevard Boynton Beach, Florida 33426-8638
Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178
This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic
Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper
Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been
selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the
express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when
properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
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