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. 169-3715
BrandRS PRO
SGD0.222
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. 740-9407
BrandRS PRO
SGD7.61
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. 123-4657
BrandRS PRO
SGD0.443
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. 169-3714
BrandRS PRO
SGD0.238
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. 169-3446
BrandRS PRO
SGD0.654
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. 740-9671
BrandRS PRO
SGD0.509
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. 740-9397
BrandRS PRO
SGD0.381
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. 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. 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. 169-3421
BrandRS PRO
SGD0.433
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. 169-3454
BrandRS PRO
SGD0.314
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. 169-3712
BrandRS PRO
SGD0.238
Each (On a Reel of 2000)
units
3.3 μH 2A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 70mΩ - -
RS Stock No. 123-4660
BrandRS PRO
SGD0.951
Each (In a Pack of 10)
units
22 μH 1.23A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 110mΩ - -
RS Stock No. 169-3713
BrandRS PRO
SGD0.238
Each (On a Reel of 2000)
units
12 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 210mΩ - -
RS Stock No. 740-9362
BrandRS PRO
SGD5.85
1 Bag of 20
Bag(s)
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 169-3469
BrandRS PRO
SGD0.423
Each (On a Reel of 1000)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 740-9491
BrandRS PRO
SGD1.416
Each (In a Bag of 5)
units
33 μH 5.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 66mΩ - -
RS Stock No. 169-3790
BrandRS PRO
SGD0.583
Each (On a Reel of 1000)
units
10 μH 2A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 38mΩ NPIS64D -
RS Stock No. 740-9347
BrandRS PRO
SGD9.18
1 Bag of 10
Bag(s)
330 μH 600mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 1.02Ω - -
RS Stock No. 169-3459
BrandRS PRO
SGD0.306
Each (On a Reel of 2000)
units
- - 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - - - Ferrite
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