Datasheet

SDR0302 Series - SMD Power Inductors
*RoHS COMPLIANT
Inductance 1kHz
Q
Test SRF RDC I rms I sat
Bourns Part No.
(
µµ
H) Tol. %
Ref.
Frequency Min. Max. Max. Typ.
(MHz) (MHz) (
ΩΩ
) (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
Test Voltage........................................1 V
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
0.9
(.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
14
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.
Customers should verify actual device performance in their specific applications.