High Current, High Frequency, Power Inductors
FLAT-PAC™ FP1308R Series
Applications
• Multi-phase regulators
HALOGEN
• Voltage Regulator Module (VRM)
HF
• Desktop and server VRMs and EVRDs
• Data networking and storage systems
• Notebook regulators
FREE
• Graphics cards and battery power systems
• Point-of-load modules
• DCR sensing
SMD Device
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
(with derated current)
Description
• Halogen Free
• 125°C maximum total temperature operation
• 12.70 x 13.46 x 8.0mm surface mount package
• Ferrite core material
• Solder reflow temperature: J-STD-020D compliant
Packaging
• Supplied in tape and reel packaging, 400 parts per reel,
13” diameter reel
• High current carrying capacity, Low core losses
• Controlled DCR tolerance for sensing circuits
• Inductance range from 110nH to 440nH
• Current range from 37 to 120 Amps
• Frequency range up to 2MHz
• RoHS compliant
Product Specifications
3
Part
Number7
OCL1
FLL2
(ꢁn)
I
I
14
I
25
sat
@ 125°C (Amps)
DCR (mΩ)
rms
sat
1ꢀ0 (ꢁn)
(Amps)
@ 25°C (Amps)
@ 2ꢀ°C
K-factor6
R1 Versioꢁ
FP1308R1-R11-R
FP1308R1-R21-R
FP1308R1-R26-R
FP1308R1-R32-R
FP1308R1-R44-R
R2 Versioꢁ
FP1308R2-R11-R
FP1308R2-R21-R
FP1308R2-R26-R
FP1308R2-R32-R
FP1308R2-R44-R
R3 Versioꢁ
FP1308R3-R11-R
FP1308R3-R21-R
FP1308R3-R26-R
FP1308R3-R32-R
FP1308R3-R44-R
110
210
260
320
440
79
120
80
64
52
37
105
68
52
40
28
233
233
233
233
233
152
187
230
317
57
0.32 9.4%
0.53 10%
0.18 20%
110
210
260
320
440
79
120
80
64
52
37
105
68
52
40
28
233
233
233
233
233
152
187
230
317
45
68
110
210
260
320
440
79
120
80
64
52
37
105
68
52
40
28
233
233
233
233
233
152
187
230
317
1
2
3
Open Circuit Inductance (OCL) Test Parameters: 100kHz, 0.10V , 0.0Adc
5
6
Isat2: Peak current for approximately 20% rolloff at +125°C.
rms
K-factor: Used to determine B for core loss (see graph). B = K
L
ΔI 10-3. B (Gauss),
*
*
*
Full Load Inductance (FLL) Test Parameters: 100kHz, 0.1V , I 1.
rms sat
p-p
p-p
p-p
K: (K-factor from table), L: (inductance in nH), ΔI (peak-to-peak ripple current in amps).
Part Number Definition: FP1308Rx-Rxx-R
• FP1308 = Product code and size
• Rx = DCR indicator
• Rxx = Inductance value in μH, R = decimal point.
• “-R” suffix = RoHS compliant
I
: DC current for an approximate temperature rise of 40°C without core loss. Derating is
rms
7
necessary for AC currents. PCB pad layout, trace thickness and width, air-flow and proximity of
other heat generating components will affect the temperature rise. It is recommended the part
temperature not exceed 125°C under worst case operating conditions verified in the end
application.
4
I
: Peak current for approximately 20% rolloff at +25°C.
sat
0209 BU-SB08890
Page 1 of 4
Data Sheet: 4355