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. 169-3787
BrandRS PRO
£0.442
Each (On a Reel of 2500)
Units
10 μH 1.3A 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 65mΩ NPIS53D -
RS Stock No. 169-3767
BrandRS PRO
£0.319
Each (On a Reel of 400)
Units
33 μH 3A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 65mΩ - -
RS Stock No. 741-9145
BrandRS PRO
£0.474
Each (In a Bag of 5)
Units
10 μH 1.3A 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 65mΩ NPIS53D -
RS Stock No. 741-8975
BrandRS PRO
£0.358
Each (In a Bag of 5)
Units
33 μH 3A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 65mΩ - -
RS Stock No. 104-8411
BrandRS PRO
£0.982
Each (In a Pack of 5)
Units
22 μH 3A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 38mΩ LCP -
RS Stock No. 173-0208
BrandRS PRO
£0.984
Each (In a Box of 300)
Units
22 μH 3A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 38mΩ LCP -
RS Stock No. 124-5586
BrandRS PRO
£0.993
Each (In a Pack of 10)
Units
47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS Stock No. 169-3448
BrandRS PRO
£1.017
Each (On a Reel of 250)
Units
47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS Stock No. 169-3777
BrandRS PRO
£0.225
Each (On a Reel of 2500)
Units
2.2 μH 2.04A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 31mΩ NPIS43D -
RS Stock No. 169-3444
BrandRS PRO
£0.319
Each (On a Reel of 400)
Units
2.2 μH 8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 11.5mΩ - -
RS Stock No. 741-9044
BrandRS PRO
£0.258
Each (In a Bag of 5)
Units
2.2 μH 2.04A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 31mΩ NPIS43D -
RS Stock No. 124-5583
BrandRS PRO
£0.373
Each (In a Pack of 20)
Units
2.2 μH 8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 11.5mΩ - -
RS Stock No. 169-3769
BrandRS PRO
£0.448
Each (On a Reel of 400)
Units
68 μH 2.1A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 140mΩ - -
RS Stock No. 741-8984
BrandRS PRO
£0.318
Each (In a Bag of 5)
Units
68 μH 2.1A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 140mΩ - -
RS Stock No. 763-1424
BrandRS PRO
£0.029
Each (On a Reel of 1000)
Units
1 nH 700mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 150mΩ AL Ceramic
RS Stock No. 763-1377
BrandRS PRO
£0.057
Each (On a Reel of 1000)
Units
68 nH 500mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 380mΩ WL05 Ceramic
RS Stock No. 763-1440
BrandRS PRO
£0.012
Each (On a Reel of 1000)
Units
22 nH 300mA 0402 (1005M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 800mΩ CL Ceramic
RS Stock No. 763-1434
BrandRS PRO
£0.029
Each (On a Reel of 1000)
Units
4.7 nH 320mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 650mΩ AL Ceramic
RS Stock No. 763-1428
BrandRS PRO
£0.029
Each (On a Reel of 1000)
Units
1.5 nH 700mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 250mΩ AL Ceramic
RS Stock No. 763-1443
BrandRS PRO
£0.029
Each (On a Reel of 1000)
Units
8.2 nH 220mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 1.25Ω AL Ceramic