SDR0302 Series - SMD Power Inductors
*RoHS COMPLIANT
Inductance
@100 kHz / 0.1 V
Q
Test SRF RDC I rms I sat
Bourns Part No.
(
μ
H) Tol. %
Ref.
Frequency Min. Max. Max. Typ.
(MHz) (MHz) (
Ω
) (A) (A)
SDR0302-1R0ML 1.0 ± 20 20 7.96 125.0 0.06 2.100 2.700
SDR0302-1R2ML 1.2 ± 20 22 7.96 100.0 0.07 2.000 2.500
SDR0302-1R4ML 1.4 ± 20 22 7.96 95.0 0.07 1.500 2.300
SDR0302-1R5ML 1.5 ± 20 23 7.96 95.0 0.07 1.900 2.300
SDR0302-1R8ML 1.8 ± 20 23 7.96 85.0 0.08 1.800 2.000
SDR0302-2R2ML 2.2 ± 20 22 7.96 75.0 0.09 1.650 1.850
SDR0302-2R7ML 2.7 ± 20 22 7.96 72.0 0.10 1.500 1.700
SDR0302-3R3ML 3.3 ± 20 23 7.96 68.0 0.11 1.400 1.600
SDR0302-3R9ML 3.9 ± 20 24 7.96 50.0 0.12 1.300 1.500
SDR0302-4R7ML 4.7 ± 20 18 7.96 45.0 0.15 1.200 1.350
SDR0302-5R6ML 5.6 ± 20 18 7.96 42.0 0.16 1.100 1.300
SDR0302-6R8ML 6.8 ± 20 18 7.96 40.0 0.18 1.000 1.200
SDR0302-8R2ML 8.2 ± 20 16 7.96 35.0 0.20 0.900 1.050
SDR0302-100ML 10.0 ± 20 18 2.52 34.0 0.25 0.800 0.900
SDR0302-120ML 12.0 ± 20 15 2.52 33.0 0.28 0.750 0.850
SDR0302-150ML 15.0 ± 20 20 2.52 32.0 0.40 0.650 0.800
SDR0302-180ML 18.0 ± 20 18 2.52 28.0 0.46 0.580 0.750
SDR0302-220ML 22.0 ± 20 23 2.52 22.0 0.66 0.520 0.650
SDR0302-270ML 27.0 ± 20 23 2.52 20.0 0.75 0.480 0.550
SDR0302-330KL 33.0 ± 10 20 2.52 18.0 0.85 0.420 0.500
SDR0302-390KL 39.0 ± 10 24 2.52 18.0 1.12 0.380 0.450
SDR0302-470KL 47.0 ± 10 23 2.52 17.0 1.27 0.360 0.400
SDR0302-560KL 56.0 ± 10 18 2.52 16.0 1.45 0.340 0.350
SDR0302-680KL 68.0 ± 10 24 2.52 14.0 1.85 0.300 0.320
SDR0302-820KL 82.0 ± 10 24 2.52 12.0 2.10 0.280 0.300
SDR0302-101KL 100.0 ± 10 40 0.796 10.0 2.85 0.260 0.280
SDR0302-121KL 120.0 ± 10 40 0.796 10.0 3.20 0.220 0.250
SDR0302-151KL 150.0 ± 10 38 0.796 9.0 4.60 0.200 0.230
SDR0302-181KL 180.0 ± 10 45 0.796 8.5 5.00 0.185 0.210
SDR0302-221KL 220.0 ± 10 40 0.796 8.0 5.70 0.170 0.190
SDR0302-271KL 270.0 ± 10 45 0.796 7.0 8.60 0.150 0.170
SDR0302-331KL 330.0 ± 10 40 0.796 6.0 10.00 0.130 0.150
SDR0302-391KL 390.0 ± 10 40 0.796 5.5 10.80 0.120 0.140
SDR0302-471KL 470.0 ± 10 42 0.796 5.0 14.30 0.105 0.130
SDR0302-561KL 560.0 ± 10 43 0.796 4.8 16.00 0.095 0.120
SDR0302-681KL 680.0 ± 10 43 0.796 4.3 18.00 0.085 0.110
SDR0302-821KL 820.0 ± 10 45 0.796 4.0 22.50 0.080 0.100
SDR0302-102KL 1000.0 ± 10 40 0.252 3.2 26.00 0.070 0.090
SDR0302-122KL 1200.0 ± 10 40 0.252 3.0 30.00 0.060 0.080
Features
Available in E12 series
Low profile of only 2.5 mm
Low inductance values
RoHS compliant*
Applications
Input/output of DC/DC converters
Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
Electrical Specifications
Product Dimensions
Recommended Layout
3.0 ± 0.3
(.118 ± .012)
MAX.
MAX.
2.5 ± 0.3
(.098 ± .012)
General Specifications
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature
.....................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
.................................-40 °C to +125 °C
Resistance to Soldering Heat
..................................260 °C for 5 sec.
Materials
Core .......................................Ferrite DR
Wire .............Enameled copper wire 130
Terminal.....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ..................2000 pcs. per reel
(.035)
MAX.
TYP.
2.8 ± 0.3
(.110 ± .012)
3.0
(.118)
0.8
(.031)
1.4
(.055)
1.4
(.055)
Typical Part Marking
100
Electrical Schematic
41
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
