SDR1045 Series - SMD Power Inductors
*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.
Inductance 100 kHz
Q
Test SRF RDC I rms I sat
Bourns Part No.
(µH) Tol. %
Typ.
Frequency Min. Max. Max. Typ.
(MHz) (MHz) (Ω) (A) (A)
SDR1045-2R7M 2.7 ± 20 25 7.96 68.7 0.026 4.80 6.20
SDR1045-4R5M 4.5 ± 20 25 7.96 44.2 0.033 4.20 5.20
SDR1045-6R8M 6.8 ± 20 22 7.96 35.8 0.040 3.50 4.20
SDR1045-100M 10.0 ± 20 26 2.52 27.8 0.064 3.20 3.60
SDR1045-150M 15.0 ± 20 26 2.52 23.7 0.100 2.50 3.00
SDR1045-220M 22.0 ± 20 22 2.52 19.4 0.145 2.20 2.60
SDR1045-330M 33.0 ± 20 20 2.52 15.8 0.220 1.90 2.10
SDR1045-470M 47.0 ± 20 21 2.52 13.6 0.270 1.60 1.85
SDR1045-680M 68.0 ± 20 21 2.52 11.1 0.360 1.30 1.50
SDR1045-101K 100.0 ± 10 14 0.796 9.7 0.540 1.10 1.30
SDR1045-151K 150.0 ± 10 16 0.796 7.1 0.700 0.85 1.05
SDR1045-221K 220.0 ± 10 15 0.796 6.4 1.150 0.72 0.85
SDR1045-331K 330.0 ± 10 12 0.796 4.6 1.700 0.62 0.70
SDR1045-471K 470.0 ± 10 12 0.796 4.2 2.250 0.52 0.58
SDR1045-681K 680.0 ± 10 13 0.796 3.6 3.300 0.43 0.46
SDR1045-102K 1000.0 ± 10 25 0.252 2.9 4.700 0.38 0.40
Features
■ Available in E6 values
■ Current rating to 4.8 amps
■ Mounting height 4.8 mm maximum
■ 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
General Specifications
Test Voltage.....................................0.1 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 10 sec.
Materials
Core .......................................Ferrite DR
Wire ............Enamelled copper wire 130
Terminal .........................................Cu/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ....................700 pcs. per reel
Electrical Schematic
DIMENSIONS:
MM
(INCHES)
