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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Description Price Inductance Maximum DC Current Package/Case Length Automotive Standard Depth Height Diameter Dimensions Shielded Tolerance Maximum DC Resistance Series Core Material
RS Stock No. 741-8978
BrandRS PRO
SGD0.67
Each (In a Bag of 5)
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39 μH 2.75A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 73mΩ - -
RS Stock No. 169-3765
BrandRS PRO
SGD0.531
Each (On a Reel of 400)
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22 μH 3.6A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 43mΩ - -
RS Stock No. 740-9312
BrandRS PRO
SGD9.20
1 Bag of 10
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15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 741-9117
BrandRS PRO
SGD0.398
Each (In a Bag of 5)
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120 μH 270mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 1.27Ω NPIS43D -
RS Stock No. 124-5615
BrandRS PRO
SGD0.532
Each (In a Pack of 25)
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330 μH 750mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 812mΩ - -
RS Stock No. 124-5580
BrandRS PRO
SGD0.764
Each (In a Pack of 20)
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10 μH 4A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 25mΩ - -
RS Stock No. 740-9606
BrandRS PRO
SGD0.411
Each (In a Bag of 20)
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82 μH 700mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 500mΩ - -
RS Stock No. 169-3717
BrandRS PRO
SGD0.222
Each (On a Reel of 2000)
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330 μH 140mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% - -
RS Stock No. 763-1311
BrandRS PRO
SGD0.109
Each (On a Reel of 1000)
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39 nH 600mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 250mΩ WL03 Ceramic
RS Stock No. 740-9268
BrandRS PRO
SGD4.59
1 Bag of 5
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47 μH 500mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 640mΩ - -
RS Stock No. 104-8410
BrandRS PRO
SGD2.805
Each (In a Pack of 2)
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150 μH 880mA - 12mm - 12mm 7mm - 12 x 12 x 7mm - ±15% 307mΩ LCP -
RS Stock No. 169-3779
BrandRS PRO
SGD0.554
Each (On a Reel of 2500)
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6.8 μH 1.12A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 109mΩ NPIS43D -
RS Stock No. 740-9542
BrandRS PRO
SGD0.381
Each (In a Bag of 20)
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3.3 μH 2.5A 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±20% 40mΩ - -
RS Stock No. 740-9417
BrandRS PRO
SGD0.323
Each (In a Bag of 20)
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47 μH 600mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 800mΩ - -
RS Stock No. 169-3698
BrandRS PRO
SGD0.832
Each (On a Reel of 2500)
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47 μH 500mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 640mΩ - -
RS Stock No. 169-3800
BrandRS PRO
SGD0.664
Each (On a Reel of 1000)
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33 μH 2.2A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes ±20% 93mΩ - -
RS Stock No. 124-5604
BrandRS PRO
SGD0.482
Each (In a Pack of 25)
units
6.8 μH 4.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 27mΩ - -
RS Stock No. 169-3783
BrandRS PRO
SGD0.595
Each (On a Reel of 2500)
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47 μH 480mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 587mΩ NPIS43D -
RS Stock No. 169-3476
BrandRS PRO
SGD0.649
Each (On a Reel of 750)
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220 μH 940mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 500mΩ - -
RS Stock No. 169-3694
BrandRS PRO
SGD0.832
Each (On a Reel of 2500)
units
1.5 μH 2.8A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 50mΩ - -
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