loss. Derating is necessary for AC currents. It is recommended that the temperature of the part
not exceed 125°C under worst case operating conditions verified in the end application.
3) Isat Amps Peak for approximately 30% rolloff @ 20°C
4) Applied Volt-Time product (V-μS) across the inductor. This value represents the applied V-μS at
200kHz necessary to generate a core loss equal to 10% of the total losses for 40°C temperature
rise. See Core Loss Graph.
5) Part number definition - HC1-xxx-R:
• HC1 = Product code and size
• -xxx = Inductance value
• R = Decimal point (if no “R” is present,
third character = number of zeros)
• -R Suffix = RoHS compliant
Dimensions - mm
Top View
Side View
Front View
Recommended Pad Layout
(Componenet Side)
4.5
4.5
Schematic
1
13.0
Max.
4.9 Typ.
1
2
10.0
Max.
10.0
2
13.0
Max.
2.2
Typ.
14.5
xxx = Inductance value
wwllyy = Date code R = Revision level
0508
BU-SB08064
Page 1 of 3
Data Sheet 4328
Packaging Information - mm
4.0
1.5 dia
+0.1/-0.0
2.0
1.5 dia
min
A
1.7
1
11.5
wwllyy R
HC1-XXX
13.4
24.0
+/-0.3
2
10.3
2.0
20.0
A
SECTION A-A
13.4
Supplied in tape and reel packaging,
250 parts per reel, 13” diameter reel.
User direction of feed
Core Loss
0
20
40
50
Irms Derating With Core Loss
% of Losses from Irms (maximum)
60
70
80
400
k
300
H z
kH
z
200
kH
z
Hz
100
k
90
92
94
95
96
97
98
99
10
20
30
40
50
60
70
80 90
100
50
k
200
Hz
300
400
500
600
800
1000
% of Applied Volt-µ-Seconds
0508
BU-SB08064
Page 2 of 3
Data Sheet 4328
Inductance Characteristics
HC1 Inductor (R87)
HC1 Inductor (R22, 7R8)
100
100
90
90
OCL (%)
80
OCL (%)
0
10
20
30
40
50
60
70
80
90
100
110
120
80
70
70
60
60
50
50
0
10
20
30
40
50
60
70
80
90
100
110
120
% of I
sat
% of I
sat
HC1 Inductor (1R7)
HC1 Inductor (R57, 2R3, 3R6, 5R1)
100
100
90
90
OCL (%)
70
OCL (%)
0
10
20
30
40
50
60
70
80
90
100
110
120
80
80
70
60
60
50
50
0
10
20
30
40
50
60
70
80
90
100
110
120
% of I
sat
% of I
sat
HC1 Inductor (R30, 100)
HC1 Inductor (1R0)
100
100
90
90
OCL (%)
OCL (%)
80
80
70
70
60
60
50
0
10
20
30
40
50
60
70
80
90
100
110
120
50
0
10
20
30
40
50
60
70
80
90
100
110
120
% of I
sat
% of I
sat
North America
Cooper Electronic Technologies
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-636-527-1607
Europe
Cooper Electronic Technologies
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Electronic Technologies
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
Cooper Electronic Technologies
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This
bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, with-
out notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann 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 Bussmann 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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