Technical Data
10295
Effective
September
2017
Supersedes
August
2014
HCM1707
High current
power inductors
Applications
•
•
•
•
•
•
•
Voltage Regulator Module (VRM)
Multi-phase regulators
Point-of-load modules
Desktop and server VRMs and EVRDs
Data networking and storage systems
Base station equipment
Battery power systems
Environmental Data
•
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
Product features
•
•
•
•
•
•
•
•
High current carrying capacity
Magnetically shielded, low EMI
Frequency range up to 1 MHz
Inductance range from 1.5 µH to 68 µH
Current range from 5.2 A to 40 A
17.5 mm x17.2 mm footprint surface mount
package in a 7.0 mm height
Iron powder core material
•
Pb
HF
FREE
Technical Data
10295
Effective
September
2017
HCM1707
High current power inductors
Product Specifications
Part Number
6
HCM1707-1R5-R
HCM1707-2R2-R
HCM1707-4R7-R
HCM1707-6R8-R
HCM1707-8R2-R
HCM1707-100-R
HCM1707-150-R
HCM1707-220-R
HCM1707-330-R
HCM1707-470-R
HCM1707-680-R
OCL
1
±20%
(µH)
1.5
2.2
4.7
6.8
8.2
10
15
22
33
47
68
FLL min.
2
(µH)
0.96
1.41
3.01
4.35
5.25
6.40
9.60
14.1
21.1
30.1
43.5
I
rms3
(A)
40
37
27
20
16
14
12
9.5
9.0
6.8
5.2
I
sat4
(A)
40
34
24
22
20
18
13
11
10
7.5
6.5
DCR (mΩ)
@
+20
°C
(typical)
1.85
2.15
4.12
6.55
8.10
9.30
14.5
21
35
41
74
DCR (mΩ)
@
+20
°C
(maximum)
2.15
2.50
4.72
7.55
8.70
10
15.5
23
37
47
85
K-factor
5
124
103
76
60
55
47
43
37
28
25
20
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.
.
sat
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 μH),
∆I
(Peak to peak
ripple current in amps).
6.
Part Number Definition: HCM1707-yyy-R
- HCM1707 = Product code and siz
yyy= Inductance value in uH, R = decimal point
if no R is present then third character = number of zeros.
- “-R” suffix = RoHS compliant
: Peak current for approximately 20% rolloff at +25 °C.
Dimensions - mm
a
b
All soldering surfaces coplanar within 0.10 millimeters.
Part marking: HCM1707; XXX = initial inductance in µH, R = decimal point;
if no R is present, last digit equals number of zeros.
wwllyy = date code, R = revision level
Color: Grey.
Do not route traces or vias underneath the inductor
DCR measured between point “a” and point “b”
2
www.eaton.com/electronics
HCM1707
High current power inductors
Technical Data
10295
Effective
September
2017
Packaging information - mm
Supplied in tape and reel packaging, 350 parts per 13” diameter reel.
Temperature rise vs. total loss
50
40
Temperature Rise (˚C)
30
20
10
0
0.0
0.5
Total Loss ( W)
1.0
1.5
2.0
2.5
www.eaton.com/electronics
3
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