FP1308R3-R
RECOMMENDED FOR
NEW DESIGNS
Applications
• Voltage regulator modules (VRMs) for servers
and microprocessors
• Multi-phase buck inductors
• High frequency, high current switching
power supplies
Environmental Data
• Storage temperature range: -40°C to +125°C
• Operating temperature range: -40°C to +125°C
(ambient plus self temperature rise)
• Solder reflow temperature: J-STD-020D compliant
Packaging
• Supplied in tape-and-reel packaging, 400 parts per reel,
13” diameter reel
Description
• Halogen Free
• 125°C maximum total operating temperature
• 13.7 x 12.9 x 8.0mm surface mount package
• High current handling capability, compact footprint
• Ferrite core material
• Inductance range from 0.110μH to 0.440μH
• Current range from 32 to 120 amps
• Frequency range up to 2MHz
High Current, High Frequency, Power Inductors
FLAT-PAC™ FP1308 Series
0911 BU-SB111090 Page 1 of 4 Data Sheet: 4313
SMD Device
1 Open Circuit Inductance (OCL) Test Parameters: 100kHz, 1.0V
rms
, 0.0Adc
2I
rms
: DC current for an approximate temperature rise of 40°C without core loss. Derating is
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.
3I
sat
: Peak current for approximately 20% rolloff at +25°C.
4 K-factor: Used to determine B
p-p
for core loss (see graph). B
p-p
= K
*
L
*
ΔI. B
p-p
(mT): (Gauss), K:
(K-factor from table), L: (inductance in μH), ΔI (peak-to-peak ripple current in amps).
5 Part Number Definition: FP1308-xxx-R
• FP1308 = Product code and size
• xxx= Inductance value in μH, R = decimal point. If no “R” is present, then
third character = # of zeros.
• “-R” suffix = RoHS compliant
Product Specifications
Part Rated OCL
1
I
rms
2
I
sat
3
DCR (mΩ) @ DCR (mΩ) @ K-factor
4
Number
5
Inductance (μH) ± 10% (μH) (Amps) (Amps) 25°C Typical 25°C Max
FP1308-R11-R 0.110 0.110 68 120 0.20 0.24 21.330
FP1308-R21-R 0.210 0.210 68 72 0.20 0.24 21.333
FP1308-R26-R 0.260 0.260 68 60 0.20 0.24 21.335
FP1308-R32-R 0.320 0.320 68 45 0.20 0.24 21.340
FP1308-R44-R 0.440 0.440 68 32 0.20 0.24 21.366
