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PL
IA
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
*R
oH
S
CO
M
NT
SDR0403 Series - SMD Power Inductors
Electrical Specifications
Inductance 1kHz Bourns Part No. (H) Tol. % Q Ref. Test Frequency (MHz) SRF Min. (MHz) RDC () I rms Max. (A) I sat Typ. (A)
SDR0403-1R0ML SDR0403-1R4ML SDR0403-1R8ML SDR0403-2R2ML SDR0403-2R7ML SDR0403-3R3ML SDR0403-3R9ML SDR0403-4R7ML SDR0403-5R6ML SDR0403-6R8ML SDR0403-8R2ML SDR0403-100ML SDR0403-120ML SDR0403-150ML SDR0403-180ML SDR0403-220ML SDR0403-270KL SDR0403-330KL SDR0403-390KL SDR0403-470KL SDR0403-560KL SDR0403-680KL SDR0403-820KL SDR0403-101KL SDR0403-121KL SDR0403-151KL SDR0403-181KL SDR0403-221KL SDR0403-271KL SDR0403-331KL SDR0403-391KL SDR0403-471KL SDR0403-561KL SDR0403-681KL SDR0403-821KL SDR0403-102KL
1.0 1.4 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000

20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
28 28 28 28 28 28 28 28 28 28 28 28 28 28 25 25 23 23 20 20 20 20 25 35 50 50 50 50 45 40 40 50 50 40 38 38
7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 1K 1K 1K 1K 1K 1K 1K
150 110 90 80 75 65 55 50 45 40 36 33 30 28 23 20 17 15 14 13 12 11 10 9 8 8 5 4 3 0.796 0.796 0.796 0.796 0.796 0.796 0.796
0.033 0.038 0.042 0.047 0.052 0.058 0.076 0.094 0.10 0.12 0.13 0.18 0.21 0.24 0.34 0.38 0.52 0.54 0.59 0.84 0.94 1.12 1.27 1.90 2.20 3.40 3.90 4.40 5.00 6.00 6.40 7.00 7.80 8.60 12.00 14.00
3.80 3.30 2.91 2.60 2.43 2.15 1.98 1.70 1.60 1.41 1.26 1.15 1.05 0.92 0.84 0.76 0.71 0.64 0.59 0.54 0.50 0.46 0.42 0.35 0.32 0.26 0.24 0.22 0.20 0.17 0.15 0.13 0.12 0.11 0.10 0.09
5.50 5.10 4.40 3.90 3.50 3.00 2.70 2.60 2.40 2.10 1.90 1.70 1.60 1.40 1.30 1.20 1.00 0.99 0.92 0.78 0.74 0.68 0.58 0.51 0.44 0.40 0.39 0.33 0.30 0.25 0.22 0.19 0.18 0.16 0.15 0.13
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 Product Dimensions
4.5 0.3 (.177 .012) MAX.
3.2 0.3 MAX. (.126 .012)
1.5 TYP. (.059)
4.0 0.3 MAX. (.157 .012)
Recommended Layout
4.5 (.177) 1.8 (.071)
1.5 (.059)
Electrical Schematic Typical Part Marking
START
1.8 (.071)
1
4
DIMENSIONS:
MM (INCHES)
100
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
FINISH
SDR0403 Series - SMD Power Inductors
Packaging Specifications
330.0 (12.992) DIA. 2.0 0.5 (.079 .020)
18.4 (.724) THICKNESS 0.10 (.004) MAX. 50.0 (1.969) EMBOSSED CAVITY
21.0 0.8 (.827 .031)
13.0 0.5 (.512 .020) DIA.
13.0 0.5 DIA. (.512 .020) EMBOSSED CARRIER 4.0 (.157)
START
14.0 (.551)
END
12 (.472)
100
100
100
100
DIMENSIONS:
8.0 (.315)
NO COMPONENT
MM (INCHES)
3.4 (.134)
1.5 DIA. (.059)
NO COMPONENT COMPONENTS
160 (6.299)
3200 (125.984)
400 (15.748)
USER DIRECTION OF FEED
QTY: 2000 PCS. PER REEL
REV. 05/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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