Wire-Wound Surface Mount Inductors

Wire wound surface mount inductors are passive circuit components, meaning they require an external power source. They have a core made of a magnetic metal like iron with wire wound around it. Energy is stored in a magnetic field when an electrical current flows through the coiled wire which has thick insulation to make the inductors suitable for use with larger currents.


What are wire wound surface mount inductors used for?

They are typically found in car audio and electronic control units (ECUs) because they can block or filter radio frequencies. Unwanted radio frequencies can interfere with audio sound quality and disrupt electrical circuits. These inductors are also used in electronic equipment used in communication infrastructures and mobile base stations.

This ability to minimise interference makes them ideal for use with DC/DC converters in power distribution systems too.

Types of wire wound surface mount inductors

Some inductors have added magnetic shielding which blocks unwanted magnetism that can interfere with the circuit. Some wire wound inductors are wound with special techniques that enhance performance and reduce the unit size to save space in circuit boards.


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Omschrijving Prijs Inductance Maximum DC Current Package/Case Length Automotive Standard Depth Height Diameter Dimensions Shielded Tolerance Maximum DC Resistance Series Core Material
RS-stocknr. 122-9160
FabrikantnummerSDR0805-100ML
FabrikantBourns
€ 0,508
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Aantal stuks
10 μH 2.3A 0805 (2012M) - - - 5.3mm 7.8mm 7.8 (Dia.) x 5.3mm - - 70mΩ SDR0805 Ferrite
RS-stocknr. 172-7080
FabrikantnummerSDR0403-270KL
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€ 0,178
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27 μH 710mA SMD 4.5mm - 4mm 3.2mm 4.5mm 4.5 Dia. x 3.2mm - ±10% 520mΩ SDR0403 Ferrite DR
RS-stocknr. 744-4867
Fabrikantnummer7447709330
FabrikantWurth Elektronik
€ 2,52
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33 μH 5.5A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 45mΩ WE-PD Ferrite
RS-stocknr. 163-4225
Fabrikantnummer744771147
FabrikantWurth Elektronik
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47 μH 2.6A 1260 12mm - 12mm 6mm - 12 x 12 x 6mm Yes ±20% 75mΩ WE-PD Ferrite
RS-stocknr. 749-6414
Fabrikantnummer60B104C
€ 2,54
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100 μH 7.5A - 27mm - 19.5mm 20mm - 27 x 19.5 x 20mm - ±15% 25mΩ 6000B -
RS-stocknr. 729-6520
FabrikantnummerSDR1005-221KL
FabrikantBourns
€ 0,562
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220 μH 800mA 1005 12.7mm - 10mm 5mm - 12.7 x 10 x 5mm - ±10% 780mΩ SDR1005 Ferrite
RS-stocknr. 923-6194
Fabrikantnummer74438356033
FabrikantWurth Elektronik
€ 1,822
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Fabrikantnummer744764122
FabrikantWurth Elektronik
€ 0,387
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22 μH 110mA 1210 (3225M) 2.9mm - 2.5mm 2.2mm - 2.9 x 2.5 x 2.2mm Yes - 3.7Ω WE-GF Ferrite
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FabrikantnummerIHLP2525CZER2R2M01
FabrikantVishay
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Fabrikantnummer7447709330
FabrikantWurth Elektronik
€ 1,48
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33 μH 5.5A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 45mΩ WE-PD Ferrite
RS-stocknr. 172-8384
FabrikantnummerSRN6045-100M
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€ 0,192
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10 μH 3A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% - SRN6045 Ferrite
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FabrikantnummerSRN6045-470M
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€ 0,184
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47 μH 1.3A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% - SRN6045 Ferrite
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Fabrikantnummer744029004
FabrikantWurth Elektronik
€ 1,46
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4.7 μH 1.2A 2816 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 200mΩ WE-TPC Ferrite
RS-stocknr. 782-3822
Fabrikantnummer744787221
FabrikantWurth Elektronik
€ 2,17
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220 μH 670mA 7850 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm Yes ±20% 876mΩ WE-PD2 Composite Iron Powder
RS-stocknr. 693-4344
FabrikantnummerCM453232-470KL
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€ 0,186
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47 μH 140mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±10% CM45 Ferrite
RS-stocknr. 163-3574
Fabrikantnummer744029004
FabrikantWurth Elektronik
€ 0,796
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4.7 μH 1.2A 2816 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 200mΩ WE-TPC Ferrite
RS-stocknr. 172-9606
FabrikantnummerSRN6045-101M
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€ 0,157
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100 μH 800mA 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% 494mΩ SRN6045 Ferrite
RS-stocknr. 798-0944
FabrikantnummerSDR0403-270KL
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€ 0,436
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Aantal stuks
27 μH 710mA 0403 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm - ±10% 520mΩ SDR0403 Ferrite
RS-stocknr. 124-5772
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€ 0,255
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- - - - - - - - - - - - SDR0805 -
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FabrikantWurth Elektronik
€ 3,47
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