Technical Data
10408
Effective June 2015
FP1008R1 and FP1008R2
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High frequency, high current power inductors
Applications
Servers
Multi-phase and Vcore regulators
Voltage Regulator Modules (VRMs)
Desktop VRMs and EVRDs
Data networking and storage systems
Graphics cards and battery power systems
Point-of-Load modules
DCR Sensing circuits
Environmental data
•
Storage temperature range
(Component): -40°C to +125 °C
Operating temperature range: -40°C to +125°C
(ambient + self-temperature rise)
Solder reflow temperature: J-STD-020D
compliant
HALOGEN
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Product description
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High current carrying capacity
Low core loss
Controlled DCR for sensing circuits
Inductance range from 120nH to 300nH
Current range from 38 to 112 amps
10.8 x 8.0 mm footprint surface mount package
in an 8.0 mm height
Ferrite core material
Halogen free, lead free, RoHS compliant
Pb
HF
FREE
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•
Technical Data
10408
Effective June 2015
FP1008R1 and FP1008R2
High frequency, high current power inductors
Product specifications
OCL
1
(nH)±10%
FLL
2
(nH) minimum
I
rms3
(amps)
I
sat
1
4
(amps)
I
sat
2
5
(amps)
I
sat
3
6
(amps)
DCR (mΩ)
±5% @ 20°C
Part Number
9
K-factor
7
R1 version
FP1008R1-R120-R
FP1008R1-R150-R
FP1008R1-R180-R
FP1008R1-R220-R
FP1008R1-R270-R
FP1008R1-R300-R
R2 version
FP1008R2-R120-R
FP1008R2-R150-R
FP1008R2-R180-R
FP1008R2-R220-R
FP1008R2-R270-R
FP1008R2-R300-R
120
150
180
220
270
300
86
108
130
158
194
216
74
74
74
74
74
74
112
90
74
56
44
38
92
72
60
44
34
30
84
67
54
42
32
28
0.18
0.18
0.18
0.18
0.18
0.18
342
342
342
342
342
342
120
150
180
220
270
300
86
108
130
158
194
216
79
79
79
79
79
79
112
90
74
56
44
38
92
72
60
44
34
30
84
67
54
42
32
28
0.17
0.17
0.17
0.17
0.17
0.17
342
342
342
342
342
342
1. Open Circuit Inductance (OCL) Test Parameters: 100kHz, 0.1V
rms
, 0.0Adc, +25°C
2. Full Load Inductance (FLL) Test Parameters: 100kHz, 0.1V
rms
, I
sat
1, +25°C
3. I
rms
: DC current for an approximate temperature rise of 40ºC 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
1: Peak current for approximately 20% rolloff @ +25ºC
5. I
sat
2: Peak current for approximately 20% rolloff @ +100ºC
6. I
sat
3: Peak current for approximately 20% rolloff @ +125ºC
7. K-factor: Used to determine B
p-p
for core loss (see graph).
B
p-p
= K * L *
∆I
* 10
-3
. B
p-p
:(Gauss), K: (K-factor from table),
L: (Inductance in nH),
∆I
(Peak-to-peak ripple current in Amps).
8. Part Number Definition: FP1008Rx-Rxxx-R
FP1008 R= Product code and size
x = DCR indicator
Rxxx = Inductance value in μH, R = decimal point
- R suffix = RoHS compliant
Dimensions (mm)
Recommended Pad Layout
a
2.5
3.0
Schematic
FP1008Rx
Rxxx
wwllyy R
10.8
max
0.2
min
5.0
2.5
b
8.0
max
3.56
4.06
8.0
max
Part marking: FP1008Rx (x= DCR indicator), Rxxx (xxx=inductance value in uH, R=decimal point),
wwllyy = date code, R = revision level
Tolerances are ±0.15 millimeters unless stated otherwise
PCB tolerances are ±0.1 millimeters unless stated otherwise
All soldering surfaces to be coplanar within 0.1 millimeter
DCR measured from point “a” to point “b”
Do not route traces or vias underneath the inductor
2
www.eaton.com/elx
FP1008R1 and FP1008R2
High frequency, high current power inductors
Packaging information (mm)
Supplied in tape and reel packaging, 500 parts per 13” diameter reel.
Technical Data
10408
Effective June 2015
1.5 dia
4.0
2.0
1.5 dia
8.3
1.75
11.5
24
±0.3
FP1008Rx
Rxxx
wwllyy R
11.0
16.0
8.2
User direction of feed
Temperature rise vs. total loss
FP1008R1
60
50
40
30
20
10
0
60
50
40
30
20
10
0
FP1008R2
Temperature Rise (°C)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Temperature Rise (°C)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Total Loss (W)
Total Loss (W)
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3
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