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. 169-3454
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. 741-9038
BrandRS PRO
SGD0.692
Each (In a Bag of 5)
units
1 mH 550mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.82Ω - -
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. 124-5616
BrandRS PRO
SGD0.726
Each (In a Pack of 25)
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680 μH 520mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.599Ω - -
RS Stock No. 740-9410
BrandRS PRO
SGD5.73
1 Bag of 20
Bag(s)
33 μH 700mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 600mΩ - -
RS Stock No. 169-3707
BrandRS PRO
SGD0.593
Each (On a Reel of 500)
units
100 μH 1.3A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 280mΩ - -
RS Stock No. 124-5611
BrandRS PRO
SGD0.726
Each (In a Pack of 25)
units
22 μH 2.95A 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 61mΩ - -
RS Stock No. 169-3451
BrandRS PRO
SGD1.203
Each (On a Reel of 250)
units
220 μH 1.72A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 246mΩ - -
RS Stock No. 162-1418
BrandRS PRO
SGD0.734
Each (On a Reel of 500)
units
1 mH 300mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% - -
RS Stock No. 169-3457
BrandRS PRO
SGD0.314
Each (On a Reel of 2000)
units
- 100mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 500mΩ - Ferrite
RS Stock No. 169-3698
BrandRS PRO
SGD0.832
Each (On a Reel of 2500)
units
47 μH 500mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 640mΩ - -
RS Stock No. 169-3438
BrandRS PRO
SGD0.593
Each (On a Reel of 500)
units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
RS Stock No. 124-5575
BrandRS PRO
SGD0.666
Each (In a Pack of 20)
units
±150 μH 1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 400mΩ - -
RS Stock No. 169-3732
BrandRS PRO
SGD0.282
Each (On a Reel of 1500)
units
56 μH 800mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 400mΩ - -
RS Stock No. 169-3441
BrandRS PRO
SGD0.883
Each (On a Reel of 600)
units
10 μH 4A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 25mΩ - -
RS Stock No. 763-1424
BrandRS PRO
SGD0.032
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. 169-3736
BrandRS PRO
SGD0.397
Each (On a Reel of 1500)
units
100 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 700mΩ - -
RS Stock No. 169-3444
BrandRS PRO
SGD0.548
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. 741-8919
BrandRS PRO
SGD0.55
Each (In a Bag of 5)
units
390 μH 650mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 690mΩ - -
RS Stock No. 169-3754
BrandRS PRO
SGD0.883
Each (On a Reel of 600)
units
56 μH 1.7A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 110mΩ - -