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inductors. HCM1103 Datasheet |
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Technical Data 4449
Effective July 2017
Supersedes June 2012
HCM1103
High current power inductors
Product features
• 11.5 x 10.3 x 3.0 mm maximum surface
mount package
• Iron powder core material
• Magnetically shielded, low EMI
• High current carrying capacity, low core losses
• Inductance range from 0.12 µH to 22.0 µH
• Current range from 3.0 A to 75 A
• Halogen free, lead free, RoHS compliant
Applications
• Voltage Regulator Module (VRM)
• Multi-phase regulators
• Point-of-load modules
• Desktop and server VRMs and EVRDs
• Base station equipment
• Notebook and laptop regulators
• Battery power systems
• Graphics cards
• Data networking and storage systems
Environmental Data
• 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 (latest revision) compliant
Pb HFHALOGEN
FREE
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Technical Data 4449
Effective July 2017
Product Specifications
Part
Number6
HCM1103-R12-R
HCM1103-R36-R
HCM1103-R47-R
HCM1103-R68-R
HCM1103-1R0-R
HCM1103-2R2-R
HCM1103-3R3-R
HCM1103-4R7-R
HCM1103-8R2-R
HCM1103-100-R
HCM1103-150-R
HCM1103-220-R
OCL1
±20% (µH)
0.12
0.36
0.47
0.68
1.0
2.2
3.3
4.7
8.2
10.0
15.0
22.0
FLL min.2
(µH)
0.07
0.26
0.33
0.38
0.56
1.2
1.9
2.6
4.6
5.6
8.4
12.3
Irms3
(A)
30
23
20
21
15
13
9.0
7.0
5.0
5.0
4.0
3.0
Isat4 @ +25 °C
(A)
75
28
26
23
21
16
14
13
8.5
7.5
6.0
5.0
DCR (mΩ) @
+20 °C Typical
0.55
1.10
1.50
2.90
5.50
8.40
14.5
20.5
35.0
40.0
59.0
90.0
DCR (mΩ) @
+20 °C Maximum
0.61
1.30
2.00
3.40
6.00
9.00
16.0
22.5
38.5
44.0
65.0
99.0
K-Factor5
1200
711
515
510
377
264
230
205
153
141
114
91
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 30% rolloff at +25 °C
5. K-factor: Used to determine Bp-p for core loss (see graph). Bp-p
= K * L * ∆I. Bp-p:(Gauss), K: (K-factor from table),
L: (Inductance in µH), ∆I (peak-to-peak ripple current in Amps).
6. Part Number Definition: HCM1103-xxx-R
HCM1103 = Product code and size
xxx= Inductance value in µH, R = decimal point,
if no R is present then third character = number of zeros.
-R suffix = RoHS compliant
Dimensions (mm)
Top View
HCM1103-R36-R &
HCM1103-R47-R
Top View
HCM1103-R12-R &
HCM1103-R68-R to
HCM1103-220R
Side View
Bottom View
Recommended Pad Layout
Schematic
wlyy R
Part Marking: xxx = Inductance value in uH, R = decimal point, if no R is present then third character = # of zeros.
wlyy = (Date code), R = Revision Level
All soldering surfaces to be coplanar within 0.10 millimeters.
Tolerances are ±0.3 millimeters unless stated otherwise.
HCM1103-R36-R and HCM1103-R47-R Color: Top Grey
HCM1103-R12-R and HCM1103-R68-R to HCM1103-220-R Color : Top Grey
Do not route traces or vias underneath the inductor
2 www.eaton.com/electronics
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HCM1103
High current power inductors
Packaging information (mm)
Supplied in tape and reel packaging, 1000 parts per 13” diameter reel.
Technical Data 4449
Effective July 2017
wlyy R
Temperature rise vs. total loss
6 0 .0
5 0 .0
4 0 .0
3 0 .0
2 0 .0
1 0 .0
HCM1103-R12-R
HCM1103-R36-R
HCM1103-R47-R
HCM1103-R68-R
HCM1103-1R0-R
HCM1103-2R2-R
HCM1103-3R3-R
HCM1103-4R7-R
HCM1103-8R2-R
HCM1103-100-R
HCM1103-150-R
HCM1103-220-R
0 .0
0.0 0.2 0.4 0.6 0 .8 1.0 1.2 1.4 1.6
Total Loss (W)
www.eaton.com/electronics 3
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