Technical Data 4085
Effective March 2016
Supersedes December 2014
HCM0703
High current power inductors
Applications
•
Voltage Regulator Module (VRM)
•
Multi-phase regulators
•
Point-of-loadmodules
•
Desktop and server VRMs and EVRDs
•
Base station equipment
•
Laptop and notebook regulators
•
Battery power systems
•
Graphics cards
•
Data networking and storage systems
Environmental Data
Product features
•
High current carrying capacity
•
Low core losses
•
Magnetically shielded, low EMI
•
Frequency range up to 5 MHz
•
Inductance range from 0.15 μH to 33 μH
•
Current range from 1.8 A to 52 A
•
7.4 mm x 6.8 mm footprint surface mount
package in a 3.0 mm height
•
Iron powder core material
•
Storage temperature range (Component):
-55 °C to +125 °C
•
Operating temperature range: -55 °C to +125 °C
(ambient plus self-temperature rise)
•
Solder reflow temperature:
J-STD-020 compliant (Latest revision)
HALOGEN
Pb HF
FREE
HCM0703
High current power inductors
Technical Data 4085
Effective March 2016
Product Specifications
Part Number6
OCL1
(μH) ±20%
FLL2 (μH)
minimum
Irms3
(A )
Isat4
(A )
DCR (mΩ)
typical @ +20 °C
DCR (mΩ)
maximum @ +20 °C
K-factor5
HCM0703-R15-R
0.15
0.09
26
52
1.9
2.5
1044
HCM0703-R22-R
0.22
0.13
23
40
2.5
2.8
986
HCM0703-R47-R
0.47
0.28
17.5
26
4.0
4.2
580
HCM0703-R68-R
0.68
0.41
15.5
25
5.0
5.5
455
HCM0703-R82-R
0.82
0.49
13
24
6.7
8.0
439
HCM0703- 1R0-R
1.0
0.60
11
22
9.0
10
374
HCM0703- 1R5-R
1.5
0.90
9.0
18
14
15
366
HCM0703- 2R2-R
2.2
1.3
8.0
14
18
20
281
HCM0703- 3R3-R
3.3
2.0
6.0
13.5
28
30
252
HCM0703- 4R7-R
4.7
2.8
5.5
10
37
40
210
HCM0703- 6R8-R
6.8
4.1
4.5
8.0
54
60
151
HCM0703- 8R2-R
8.2
4.9
4.0
7.5
64
68
142
HCM0703- 100-R
10
6.0
3.2
7.0
71
78
132
HCM0703- 150-R
14.9±15%
10.1
2.2
5.0
113
127
105
HCM0703- 220-R
22
14.1
2.3
3.0
135
149
83
HCM0703- 330-R
33
19.8
1.8
2.2
220
242
76
1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 Vrms, 0.0 Adc, +25°C.
2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 Vrms, Isat, @ +25 °C.
3. Irms: DC current for an approximate temperature rise 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.
4. Isat: Peak current for approximately 20% rolloff at +25 °C.
5. K-factor: Used to determine Bp-p for core loss (see graph). Bp-p = K * L * ΔI. Bp-p: (Gauss), K: (K-factor from table), L:
(Inductance in μH), ΔI (Peak to peak ripple current in Amps).
6. Part Number Definition: HCM0703-xxx-R
HCM0703 = Product code and size
-xxx= Inductance value in μH, R = decimal point,
if no R is present then last character equals number of zeros.
“-R” suffix = RoHS compliant
Dimensions (mm)
Part marking: XXX=Inductance value in uH, R= decimal point. If no R is present then last character equals number of zeros.
wly=date code, R=revision level
All soldering surfaces to be coplanar within 0.10 millimeters
Tolerances are ±0.3 millimeters unless stated otherwise
Color: Grey
2
www.eaton.com/electronics
Technical Data 4085
HCM0703
High current power inductors
Effective March 2016
Packaging information (mm)
Supplied in tape and reel packaging, 1500 parts per 13” diameter reel.
Temperature rise vs. total loss
50.0
Temperature Rise (°C)
40.0
30.0
20.0
10.0
0.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Total Loss (W)
www.eaton.com/electronics
3
HCM0703
High current power inductors
Technical Data 4085
Effective March 2016
Core loss vs. Bp-p
10000
1 MHz
500 kHz
300 kHz
1000
200 kHz
Core Loss (mW)
100 kHz
100
10
1
0.1
100
10000
1000
Bp-p (Gauss)
Inductance characteristics
110%
100%
100%
90%
90%
80%
70%
70%
60%
50%
50%
0
10
20
www.eaton.com/electronics
30
IDC (A)
40
50
60
70
HCM0703-R22-R
80%
60%
40%
4
% of OCL
% of OCL
HCM0703-R15-R
110%
40%
0
10
20
30
40
IDC (A)
50
60
70
Technical Data 4085
HCM0703
High current power inductors
Effective March 2016
Inductance characteristics
HCM0703-R47-R
110%
90%
90%
% of OCL
100%
% of OCL
100%
80%
70%
80%
70%
60%
60%
50%
50%
40%
0
5
10
15
20
25
30
HCM0703-R68-R
110%
35
40
45
50
40%
0
5
10
15
IDC (A)
% of OCL
% of OCL
40
45
90%
80%
70%
80%
70%
60%
60%
50%
50%
40%
0
5
10
15
20
25
30
35
40
45
0
5
10
HCM0703-1R5-R
110%
100%
90%
90%
% of OCL
100%
70%
50%
50%
10
15
20
IDC (A)
25
30
35
30
35
40
70%
60%
5
25
80%
60%
0
20
HCM0703-2R2-R
110%
80%
15
IDC (A)
IDC (A)
% of OCL
35
100%
90%
40%
30
HCM0703-1R0-R
110%
100%
40%
25
IDC (A)
HCM0703-R82-R
110%
20
40%
0
5
10
15
20
25
30
IDC (A)
www.eaton.com/electronics
5
HCM0703
High current power inductors
Technical Data 4085
Effective March 2016
Inductance characteristics
HCM0703-4R7-R
HCM0703-3R3-R
110%
110%
90%
90%
% of OCL
100%
% of OCL
100%
80%
70%
80%
70%
60%
60%
50%
50%
40%
0
2
4
6
8
10
12
14
16
18
40%
20
IDC (A)
0
2
4
6
HCM0703-6R8-R
90%
90%
% of OCL
100%
% of OCL
100%
80%
70%
50%
50%
8
IDC (A)
10
12
14
40%
HCM0703-100-R
110%
0
90%
% of OCL
90%
% of OCL
100%
80%
70%
50%
50%
4
www.eaton.com/electronics
6
8
IDC (A)
20
4
10
12
14
6
8
10
IDC (A)
12
14
HCM0703-150-R
70%
60%
2
18
80%
60%
0
2
110%
100%
40%
6
6
16
70%
60%
4
14
80%
60%
2
12
HCM0703-8R2-R
110%
0
10
IDC (A)
110%
40%
8
40%
0
1
2
3
4
5
IDC (A)
6
7
8
9
10
Technical Data 4085
HCM0703
High current power inductors
Effective March 2016
Inductance characteristics
HCM0703-220-R
HCM0703-330-R
100%
100%
90%
90%
% of OCL
110%
% of OCL
110%
80%
70%
80%
70%
60%
60%
50%
50%
40%
0
1
2
3
IDC (A)
4
5
6
40%
0
1
2
3
IDC (A)
4
5
www.eaton.com/electronics
6
7
Technical Data 4085
HCM0703
High current power inductors
Effective March 2016
Solder reflow profile
TP
TC -5°C
tP
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
Temperature
TL
Preheat
A
T smax
Package
Thickness
Volume
mm3
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