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Datasheet

ManualsBrandsBOURNS ManualsCoils & ChokesInductor SMD 18 µH 340 mΩ 0.84 A 1 pc(s)
12
SDR0403 Series - SMD Power Inductors
*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.
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)
SDR0403-1R0ML 1.0 ± 20 28 7.96 150 0.033 3.80 5.50
SDR0403-1R4ML 1.4 ± 20 28 7.96 110 0.038 3.30 5.10
SDR0403-1R8ML 1.8 ± 20 28 7.96 90 0.042 2.91 4.40
SDR0403-2R2ML 2.2 ± 20 28 7.96 80 0.047 2.60 3.90
SDR0403-2R7ML 2.7 ± 20 28 7.96 75 0.052 2.43 3.50
SDR0403-3R3ML 3.3 ± 20 28 7.96 65 0.058 2.15 3.00
SDR0403-3R9ML 3.9 ± 20 28 7.96 55 0.076 1.98 2.70
SDR0403-4R7ML 4.7 ± 20 28 7.96 50 0.094 1.70 2.60
SDR0403-5R6ML 5.6 ± 20 28 7.96 45 0.10 1.60 2.40
SDR0403-6R8ML 6.8 ± 20 28 7.96 40 0.12 1.41 2.10
SDR0403-8R2ML 8.2 ± 20 28 7.96 36 0.13 1.26 1.90
SDR0403-100ML 10 ± 20 28 2.52 33 0.18 1.15 1.70
SDR0403-120ML 12 ± 20 28 2.52 30 0.21 1.05 1.60
SDR0403-150ML 15 ± 20 28 2.52 28 0.24 0.92 1.40
SDR0403-180ML 18 ± 20 25 2.52 23 0.34 0.84 1.30
SDR0403-220ML 22 ± 20 25 2.52 20 0.38 0.76 1.20
SDR0403-270KL 27 ± 10 23 2.52 17 0.52 0.71 1.00
SDR0403-330KL 33 ± 10 23 2.52 15 0.54 0.64 0.99
SDR0403-390KL 39 ± 10 20 2.52 14 0.59 0.59 0.92
SDR0403-470KL 47 ± 10 20 2.52 13 0.84 0.54 0.78
SDR0403-560KL 56 ± 10 20 2.52 12 0.94 0.50 0.74
SDR0403-680KL 68 ± 10 20 2.52 11 1.12 0.46 0.68
SDR0403-820KL 82 ± 10 25 2.52 10 1.27 0.42 0.58
SDR0403-101KL 100 ± 10 35 0.796 9 1.90 0.35 0.51
SDR0403-121KL 120 ± 10 50 0.796 8 2.20 0.32 0.44
SDR0403-151KL 150 ± 10 50 0.796 8 3.40 0.26 0.40
SDR0403-181KL 180 ± 10 50 0.796 5 3.90 0.24 0.39
SDR0403-221KL 220 ± 10 50 0.796 4 4.40 0.22 0.33
SDR0403-271KL 270 ± 10 45 0.796 3 5.00 0.20 0.30
SDR0403-331KL 330 ± 10 40 0.796 4 6.00 0.17 0.25
SDR0403-391KL 390 ± 10 40 0.796 3.5 6.40 0.15 0.22
SDR0403-471KL 470 ± 10 50 0.796 3 7.00 0.13 0.19
SDR0403-561KL 560 ± 10 50 0.796 2.8 7.80 0.12 0.18
SDR0403-681KL 680 ± 10 40 0.796 2.8 8.60 0.11 0.16
SDR0403-821KL 820 ± 10 38 0.796 2.5 12.00 0.10 0.15
SDR0403-102KL 1000 ± 10 38 0.252 2 14.00 0.09 0.13
Features
Available in E12 series
Low profile of only 3.2 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
4.5 ± 0.3
(.177 ± .012)
MAX.
MAX.
3.2 ± 0.3
(.126 ± .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
1.5
(.059)
MAX.
TYP.
4.0 ± 0.3
(.157 ± .012)
4.5
(.177)
1.5
(.059)
1.8
(.071)
1.8
(.071)
Typical Part Marking
100
Electrical Schematic
14
DIMENSIONS:
MM
(INCHES)
*RoHS COMPLIANT

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