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. 124-5582
BrandRS PRO
PHP25.00
Each (In a Pack of 20)
units
1 μH 12A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 6mΩ - -
RS Stock No. 169-3424
BrandRS PRO
PHP38.907
Each (On a Reel of 1000)
units
10 μH 1.84A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 49mΩ - -
RS Stock No. 169-3419
BrandRS PRO
PHP54.47
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. 741-8928
BrandRS PRO
PHP25.992
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. 123-4662
BrandRS PRO
PHP14.85
Each (In a Pack of 20)
units
8.2 μH 2.25A - 6mm - 6.6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 550µΩ - -
RS Stock No. 123-4772
BrandRS PRO
PHP440.00
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. 740-9280
BrandRS PRO
PHP249.02
1 Bag of 5
Bag(s)
470 μH 160mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 6.78Ω - -
RS Stock No. 124-5589
BrandRS PRO
PHP73.617
Each (In a Pack of 10)
units
220 μH 1.72A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 246mΩ - -
RS Stock No. 169-3420
BrandRS PRO
PHP15.647
Each (On a Reel of 2000)
units
10 μH 300mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 572mΩ - -
RS Stock No. 763-1437
BrandRS PRO
PHP1.237
Each (On a Reel of 1000)
units
2.2 nH 440mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 350mΩ AL Ceramic
RS Stock No. 740-9372
BrandRS PRO
PHP285.59
1 Bag of 20
Bag(s)
4.7 μH 1.9A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 80mΩ - -
RS Stock No. 740-9375
BrandRS PRO
PHP179.76
1 Bag of 20
Bag(s)
3.3 μH 2A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 70mΩ - -
RS Stock No. 169-3713
BrandRS PRO
PHP8.606
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. 169-3787
BrandRS PRO
PHP32.085
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. 169-3732
BrandRS PRO
PHP10.188
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. 741-9189
BrandRS PRO
PHP16.578
Each (In a Bag of 5)
units
100 μH 420mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 520mΩ NPIS53D -
RS Stock No. 104-8412
BrandRS PRO
PHP122.615
Each (In a Pack of 2)
units
100 μH 1.4A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 128mΩ LCP -
RS Stock No. 123-4654
BrandRS PRO
PHP59.998
Each (In a Pack of 10)
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. 741-9098
BrandRS PRO
PHP16.384
Each (In a Bag of 5)
units
47 μH 480mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 587mΩ NPIS43D -
RS Stock No. 124-5587
BrandRS PRO
PHP83.188
Each (In a Pack of 10)
units
100 μH 2.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 126mΩ - -
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