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. 124-5612
BrandRS PRO
$0.446
Each (In a Pack of 25)
units
100 μH 350mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 253mΩ - -
RS Stock No. 169-3753
BrandRS PRO
$0.671
Each (On a Reel of 600)
units
22 μH 2.8A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 36mΩ - -
RS Stock No. 124-5577
BrandRS PRO
$0.618
Each (In a Pack of 20)
units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
RS Stock No. 741-8868
BrandRS PRO
$0.504
Each (In a Bag of 5)
units
22 μH 2.8A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 36mΩ - -
RS Stock No. 169-3448
BrandRS PRO
$1.497
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. 169-3774
BrandRS PRO
$0.671
Each (On a Reel of 400)
units
680 μH 670mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.46Ω - -
RS Stock No. 740-9417
BrandRS PRO
$0.176
Each (In a Bag of 20)
units
47 μH 600mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 800mΩ - -
RS Stock No. 162-1411
BrandRS PRO
$298.33
1 Reel of 2000
Reel(s)
47 μH 600mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 800mΩ - -
RS Stock No. 123-4772
BrandRS PRO
$10.24
Each
units
22 μH 9.5A - 17.85mm - 17.15mm 6.8mm - 17.15 x 17.15 x 6.8mm Yes ±20% 23mΩ - Ferrite
RS Stock No. 740-9407
BrandRS PRO
$0.362
Each (In a Bag of 20)
units
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 123-4655
BrandRS PRO
$3.59
Each (In a Pack of 2)
units
10 μH 10A - 13.4mm - 12.5mm 6.8mm - 13.4 x 12.5 x 6.8mm Yes ±20% 16.8mΩ - Ferrite
RS Stock No. 741-9155
BrandRS PRO
$0.368
Each (In a Bag of 5)
units
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
RS Stock No. 169-3436
BrandRS PRO
$0.643
Each (On a Reel of 500)
units
±150 μH 1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 400mΩ - -
RS Stock No. 162-1404
BrandRS PRO
$1.808
Each (On a Reel of 400)
units
10 μH 10A - 13.4mm - 12.5mm 6.8mm - 13.4 x 12.5 x 6.8mm Yes ±20% 16.8mΩ - Ferrite
RS Stock No. 741-8928
BrandRS PRO
$0.55
Each (In a Bag of 5)
units
820 μH 430mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 1.34Ω - -
RS Stock No. 169-3790
BrandRS PRO
$0.642
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. 741-9038
BrandRS PRO
$0.904
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. 169-3756
BrandRS PRO
$0.671
Each (On a Reel of 600)
units
68 μH 1.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 120mΩ - -
RS Stock No. 169-3788
BrandRS PRO
$1,525.17
1 Reel of 2500
Reel(s)
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
RS Stock No. 123-4653
BrandRS PRO
$1.022
Each (In a Pack of 10)
units
2.2 μH 8A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 20mΩ - Ferrite
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