®
HIGH CURRENT 2™
Power Inductors
Description
• Compact footprint for 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
• Frequency Range up to 1MHz
Applications
• Next generation microprocessors
• Energy storage applications
• DC-DC converters
• Computers
Environmental Data
• Storage temperature range: -40C to +125C
• Operating ambient temperature range: -40C to +85C
(range is application specific).
• Infrared reflow temperature: +260C for 10 seconds
maximum
Part
Number
HC2-R47
HC2-R68
HC2-1R0
HC2-2R2
HC2-4R7
HC2-6R0
1) Open Circuit Inductance Test Parameters: 300kHz, 0.250 Vrms, 0.0 Adc
2) DC current for an approximate temperature change of 40°C without core loss.
Derating is necessary for AC currents.
PCB layout, trace thickness and width, air-flow and proximity of other heat
generating components will affect the temperature rise.
It is recommended that the temperature of the part not exceed 125°C under
worst case operating conditions verified in the end application.
Mechanical Diagrams
Dimensions in Millimeters
ED
ND
ME NS
OM SIG
EC DE
PR W
2L NE
HC R
FO
Rated
Inductance
µH
.47
.68
1.0
2.2
4.7
6.0
OCL (1)
µH ± 20%
.52
.63
1.15
2.00
4.55
6.00
Irms (2)
Amperes
(Typ.)
52.9
52.9
33.0
24.3
17.0
17.0
Isat (3)
Amperes
(Typ.)
63.75
50.00
42.50
31.90
21.25
16.50
DCR (4)
Ohms
(Max.)
.0006
.0006
.0013
.0023
.0046
.0046
Volts (5)
µSec
6.87
6.87
10.31
13.75
20.62
20.62
TOP VIEW
RECOMMENDED PCB PAD LAYOUT
10.00
Packaging
• 45 parts per tray bulk packaging.
• Tape and reel packaging also available, 44mm width,
110 parts per 13" reel.
• Add -TR after part number for tape and reel packaging.
3) Peak current for approximately 30% roll-off
4) Values @ 20°C
5) 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 40°C temperature rise.
1
HC2 - XXX
wwllyy R
2
19.0
max
19.00
9.5
typ
5.50
5.50
19.2
max
FRONT VIEW
SCHEMATIC
1
12.7
max
2
3.5
typ
2.3
typ
®
HIGH CURRENT 2™
Power Inductors
Packaging Information
1.5Dia +0.10
-0.00
4.0
2.0
2.0Dia
min
1.75
A
R0.5 ref
Ao= 19.3mm
Bo= 19.3mm
Ko= 12.9mm
Dimensions in Millimeters
ED
ND
ME NS
OM SIG
EC DE
PR W
2L NE
HC R
FO
20.2
B
Bo
HC2-xxx
wwllyy R
40.4
+/-0.1
0
44.0
+/-0.3
0
A
Ko
Ao
32
SECTION A-A
User direction of feed
Packaging Information:
Parts packaged on a
13" Dia. EIA-481 compliant reel.
110 parts per reel using a 7" hub.
Rolloff
INDUCTANCE VERSUS SATURATION CURRENT
100
90
80
70
% of OCL
60
50
40
30
20
10
0
0
20
40
60
80
100
120
140
160
180
200
% of I
SAT
Core Loss
I
DC
DERATING WITH CORE LOSS
0
% of Losses from Irms (maximum)
20
40
50
60
70
80
Hz
Hz
Hz
1M
50
30
0K
90
92
94
95
96
97
98
99
10
20
30
40
50
60
80
100
20
200
10
0K
Hz
Hz
0K
0K
300
400 500 600
800 1000
% of Applied Volt-µ-Seconds
PM-4109 4/05
© 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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