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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RS-artikelnummer 770-1163
Tillv. art.nrDR74-2R2-R
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2.2 μH 7.06A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 12.6mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9666
Tillv. art.nrDR74-2R2-R
7,393 kr
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2.2 μH 7.06A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 12.6mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9669
Tillv. art.nrDR74-470-R
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47 μH 1.41A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 216mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1173
Tillv. art.nrDR74-470-R
9,658 kr
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47 μH 1.41A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 216mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1034
Tillv. art.nrDR127-331-R
11,394 kr
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330 μH 2.01A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 574mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9671
Tillv. art.nrDR74-4R7-R
7,615 kr
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4.7 μH 4.37A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 25.4mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9631
Tillv. art.nrDR127-101-R
8,872 kr
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100 μH 3.64A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 163mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1003
Tillv. art.nrDR127-101-R
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100 μH 3.64A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 163mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1167
Tillv. art.nrDR74-330-R
9,658 kr
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33 μH 1.73A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 143mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9638
Tillv. art.nrDR127-331-R
8,872 kr
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330 μH 2.01A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 574mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-0312
Tillv. art.nrDRQ127-220-R
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22 μH 7.57A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 157mΩ DRQ Ferrite
RS-artikelnummer 169-9566
Tillv. art.nrDRQ127-220-R
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22 μH 7.57A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 157mΩ DRQ Ferrite
RS-artikelnummer 770-1094
Tillv. art.nrDR73-220-R
11,064 kr
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22 μH 1.67A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 107mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9650
Tillv. art.nrDR73-220-R
9,256 kr
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22 μH 1.67A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 107mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1185
Tillv. art.nrDR74-4R7-R
9,658 kr
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4.7 μH 4.37A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 25.4mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 169-9668
Tillv. art.nrDR74-330-R
7,615 kr
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33 μH 1.73A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 143mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-1725
Tillv. art.nrDRA125-820-R
8,892 kr
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82 μH 2.406A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 135mΩ DRA Ferrite
RS-artikelnummer 770-0928
Tillv. art.nrDR124-4R7-R
15,846 kr
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4.7 μH 7.65A 0124 12.5mm - 12.5mm 4.5mm - 12.5 x 12.5 x 4.5mm Yes ±20% 16.2mΩ DR124 Ferrite
RS-artikelnummer 770-1044
Tillv. art.nrDR127-4R7-R
9,10 kr
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4.7 μH 16.5A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 9.17mΩ DR73/74/125/127 Ferrite
RS-artikelnummer 770-0930
Tillv. art.nrDR125-101-R
8,106 kr
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100 μH 2.2A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 170mΩ DR73/74/125/127 Ferrite