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. 740-9407
BrandRS PRO
SGD3.83
1 Bag of 20
Bag(s)
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 169-3715
BrandRS PRO
SGD0.183
Each (On a Reel of 2000)
units
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 169-3421
BrandRS PRO
SGD0.529
Each (On a Reel of 2000)
units
47 μH 170mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 1.69Ω - -
RS Stock No. 169-3714
BrandRS PRO
SGD0.225
Each (On a Reel of 2000)
units
10 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 190mΩ - -
RS Stock No. 124-5584
BrandRS PRO
SGD0.598
Each (In a Pack of 20)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 123-4657
BrandRS PRO
SGD0.583
Each (In a Pack of 20)
units
47 μH 170mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 1.69Ω - -
RS Stock No. 169-3742
BrandRS PRO
SGD0.351
Each (On a Reel of 1000)
units
68 μH 850mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 280mΩ - -
RS Stock No. 169-3446
BrandRS PRO
SGD0.621
Each (On a Reel of 400)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 740-9397
BrandRS PRO
SGD0.387
Each (In a Bag of 20)
units
10 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 190mΩ - -
RS Stock No. 740-9671
BrandRS PRO
SGD0.448
Each (In a Bag of 10)
units
68 μH 850mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 280mΩ - -
RS Stock No. 169-3454
BrandRS PRO
SGD0.265
Each (On a Reel of 2000)
units
- - 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - - - Ferrite
RS Stock No. 169-3460
BrandRS PRO
SGD0.329
Each (On a Reel of 2000)
units
- 400mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 300mΩ - Ferrite
RS Stock No. 104-8413
BrandRS PRO
SGD3.255
Each (In a Pack of 2)
units
220 μH 940mA - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 298mΩ LCP -
RS Stock No. 169-3462
BrandRS PRO
SGD0.329
Each (On a Reel of 2000)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 800mΩ - Ferrite
RS Stock No. 169-3474
BrandRS PRO
SGD0.649
Each (On a Reel of 750)
units
22 μH 2.95A 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 61mΩ - -
RS Stock No. 169-3456
BrandRS PRO
SGD0.294
Each (On a Reel of 2000)
units
- 300mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 400mΩ - Ferrite
RS Stock No. 169-3419
BrandRS PRO
SGD1.403
Each (On a Reel of 1000)
units
4.7 μH 5.5A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 40mΩ - Ferrite
RS Stock No. 124-5593
BrandRS PRO
SGD0.428
Each (In a Pack of 50)
units
- - 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - - - Ferrite
RS Stock No. 740-9669
BrandRS PRO
SGD0.56
Each (In a Bag of 10)
units
47 μH 1.1A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 180mΩ - -
RS Stock No. 169-3743
BrandRS PRO
SGD0.471
Each (On a Reel of 1000)
units
100 μH 720mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 430mΩ - -
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