Technical Data
4370
Effective
September
2017
Supersedes
November
2014
HCM1104
High current
power inductors
Applications
•
•
•
•
•
•
•
•
•
Voltage Regulator Module (VRM)
Multi-phase regulators
Point-of-load modules (POL)
Desktop and server VRMs and EVRDs
Base station equipment
Notebook and laptop regulators
Battery power systems
Graphics cards
Data networking and storage systems
Storage temperature range (Component):
-40 °C to +125 °C
Operating temperature range: -40 °C to +125 °C
(ambient plus self-temperature rise)
Solder reflow temperature:
J-STD-020
(latest revision)
compliant
HALOGEN
Environmental Data
Product features
•
•
•
•
•
•
•
•
•
High current carrying capacity
Low core losses
Magnetically shielded, low EMI
Frequency range up to 5 MHz
Inductance range from 0.20 µH to 10 µH
Current range from 7.5 A to 45 A
11.5 mm x10.3 mm footprint surface mount
package in a 4.0 mm height
Iron powder core material
•
•
Pb
HF
FREE
Technical Data
4370
Effective
September
2017
HCM1104
High current power inductors
Product Specifications
Part Number
7
OCL
(μH) ± 20%
1
FLL Min.
(μH)
2
I
rms
(A)
3
I
sat4, 5
(A)
DCR (mΩ)
@
+20
°C
typical
DCR (mΩ)
@
+20
°C
maximum
K-factor
6
HCM1104-R20-R
HCM1104-R36-R
HCM1104-R45-R
HCM1104-R56-R
HCM1104-R90-R
HCM1104-1R0-R
HCM1104-1R5-R
HCM1104-2R2-R
HCM1104-3R3-R
HCM1104-4R7-R
HCM1104-100-R
0.20
0.36
0.45
0.56
0.90
1.0
1.5
2.2
3.3
4.7
10
0.13
0.23
0.29
0.36
0.58
0.56
0.84
1.23
1.85
2.63
5.60
32
30
29
25
22
18
16
12
10
8.5
7.5
45
42
36
32
28
28
32
18
16
15
8.5
0.63
1.04
1.07
1.56
2.17
3.00
3.80
6.00
10.8
17.0
27.0
0.72
1.20
1.23
1.80
2.50
3.30
4.20
7.00
11.8
20.0
30.0
411
269
219
230
236
378
310
253
220
175
116
1.
Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V
rms
, 0.0 Adc,
+25 °C.
2.
Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V
rms
, I
sat
, @ +25 °C.
3.
I
rms
: 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.
I
sat
: Peak current for approximately 20% rolloff at +25 °C- HCM1104-R20-R to
HCM1104-R90-R.
5.
I
sat
: Peak current for approximately 30% rolloff at +25 °C- HCM1104-1R0-R
to HCM 1104-100-R.
6.
K-factor: Used to determine B
p-p
for core loss (see graph). B = K * L *
∆I.
p-p
B
p-p
: (Gauss), K: (K-factor from table), L: (Inductance in μH),
∆I
(Peak to peak
ripple current in amps).
7.
Part Number Definition: HCM1104-yyy-R
- HCM1104 = Product code and siz
yyy= Inductance value in μH, R = decimal point,
if no R is present then third character
equals
number of zeros.
“-R” suffix = RoHS compliant
Dimensions - mm
Recommended pad layout
Schematic
Part marking: xxx = inductance value in µH, R = decimal point, if no R is present, third character equals number of zeros, wlyy = date code, R =
revision level
All soldering surfaces to be coplaner within 0.10 millimeters
Tolerances are ±0.3 millimeters unless stated otherwise
Color: Grey
Do not route traces or vias underneath the inductor
2
www.eaton.com/electronics
HCM1104
High current power inductors
Technical Data
4370
Effective
September
2017
Packaging information - mm
Supplied in tape and reel packaging, 850 parts per 13” diameter reel.
Temperature rise vs. total loss
50.0
40.0
30.0
20.0
10.0
0.0
0.0
0.5
1.0
1.5
2.0
HCM1104-R20-R
HCM1104-R36-R
HCM1104-R45-R
HCM1104-R56-R
HCM1104-R90-R
50.0
40.0
30.0
HCM1104-1R0-R
20.0
10.0
0.0
0.0
0.5
1.0
1.5
2.0
HCM1104-1R5-R
HCM1104-3R3-R/
HCM1104-4R7-R
HCM1104-2R2-R/
HCM1104-100-R
Temperature Rise ( °C)
Total Loss (W)
Temperature Rise ( °C)
Total Loss (W)
www.eaton.com/electronics
3
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