Technical Data 4138
Effective July 2017
Supersedes March 2007
HCPT1309
High current power inductors
Applications
•
Next generation processors
•
High current DC-DC converters
•
VRM, multi-phase buck regulator
•
Desktop computers
•
Video game power
Environmental Data
•
Storage temperature range (Component):
-40 °C to +105 °C
•
Operating temperature range: -40 °C to +105 °C
(ambient plus self-temperature rise)
•
Solder reflow temperature:
J-STD-020 (latest revision) compliant
Product features
•
•
•
•
•
13.2 mm x 13.2 mm x 9.0 mm through hole
package
Iron powder core material
Inductance range from 0.20 µH to 3.3 µH
Current range from 90.0 A to 11.4 A
Frequency range up to 1 MHz
Technical Data 4138
Effective July 2017
Product Specifications
Part Number
OCL (1)
nominal +/20% (µH)
0.20
0.49
0.96
1.59
2.27
3.31
HCPT1309-R20-R
HCPT1309-R47-R
HCPT1309-1R0-R
HCPT1309-1R5-R
HCPT1309-2R2-R
HCPT1309-3R3-R
Irms (2)
(A)
43.1
34.0
19.4
13.7
12.5
11.4
Isat (A) (3) Peak
20%rolloff @
+20 °C
72.2
43.3
30.9
24.1
19.7
16.7
Isat (A) (4) Peak
30%rolloff @+20
°C
90.0
55.0
40.0
30.6
25.0
21.0
DCR (mΩ)
nom @+20 °C
0.426
0.624
1.90
3.82
4.10
4.80
Dimensions (mm)
HCPT1309-xxx
wwllyy R
FRONT VIEW
B OTTOM VIEW
9.0
max
13.2 sq
MAX
1
2
3.5 +/- 0.5
"B" +/- 1.0
"A " MAX
"C" typ
SCHEMATIC
Dimension Table
Part No
"A "
"B"
HCPT1309-R20
HCPT1309-R47
HCPT1309-1R0
HCPT1309-1R5
HCPT1309-2R2
HCPT1309-3R3
14.0
14.0
13.7
13.5
13.5
13.5
12.2
12.2
12.0
11.8
11.8
11.8
RECOMMENDED PCB PAD LAYOUT
"C"
"D"
1.63
1.63
1.29
1.15
1.15
1.15
2.13
2.13
1.6
1.40
1.40
1.40
Do not route traces or vias underneath the inductor
2
www.eaton.com/electronics
154.1
92.4
66.0
51.4
42.0
35.6
(3) Isat Amperes peak for approximately 20% rolloff (@+20 °C)
(4) Isat Amperes peak for approximately 30% rolloff (@+20 °C)
(5) K-factor: Used to determine B p-p for core loss (see graph).
B p-p = K*L*∆I, B p-p: (Gauss), K: (K factor from table), L: (Inductance in uH),
∆(Peak to peak ripple current in Amps).
(1) OCL: Open Circuit Inductance test parameters: 100 kHz, 0.1 Vrms, 0.0 Adc.
(2) Irms: DC current for an approximate ∆T 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 +105 °C under
worst case operating conditions verified in the end application.
TOP VIEW
K-factor
(5)
"B" +/- 1.0
ØD
1
HCPT1309
High current power inductors
Technical Data 4138
Effective July 2017
Core loss vs. Bp-p
160.00
140.00
Core Loss (mW)
120.00
200kHz
300kHz
400kHz
500kHz
600kHz
700kHz
800kH
900kHz
1.0MHz
100.00
80.00
60.00
40.00
20.00
0.00
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
B p-p (Gauss)
Inductance characteristics
OCL vs Isat
100
90
80
OCL (%)
70
60
50
40
30
20
10
0
0
20
40
60
80
100
120
140
160
% of Isat
www.eaton.com/electronics
3
HCPT1309
Technical Data 4138
Effective July 2017
Wave solder profile- Through-hole components
Reflow soldering not recommended
Life Support Policy: Eaton 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.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 4139
July 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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