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. 169-3458
BrandRS PRO
€0.165
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. 741-9000
BrandRS PRO
€0.484
Each (In a Bag of 5)
units
220 μH 1.16A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 390mΩ - -
RS Stock No. 124-5610
BrandRS PRO
€0.375
Each (In a Pack of 25)
units
330 μH 520mA 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 1.09Ω - -
RS Stock No. 741-8887
BrandRS PRO
€0.348
Each (In a Bag of 5)
units
100 μH 1.3A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 160mΩ - -
RS Stock No. 741-9066
BrandRS PRO
€0.364
Each (In a Bag of 5)
units
6.8 μH 1.12A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 109mΩ NPIS43D -
RS Stock No. 169-3704
BrandRS PRO
€0.483
Each (On a Reel of 500)
units
22 μH 2.7A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 85mΩ - -
RS Stock No. 169-3759
BrandRS PRO
€0.343
Each (On a Reel of 600)
units
220 μH 800mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 400mΩ - -
RS Stock No. 741-8865
BrandRS PRO
€0.562
Each (In a Bag of 5)
units
33 μH 2.1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 57mΩ - -
RS Stock No. 740-9653
BrandRS PRO
€0.106
Each (In a Bag of 10)
units
27 μH 1.3A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 120mΩ - -
RS Stock No. 169-3468
BrandRS PRO
€0.12
Each (On a Reel of 1000)
units
15 μH 3.1A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 80mΩ - -
RS Stock No. 169-3799
BrandRS PRO
€0.348
Each (On a Reel of 1000)
units
22 μH 2.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes ±20% 73mΩ - -
RS Stock No. 169-3765
BrandRS PRO
€0.30
Each (On a Reel of 400)
units
22 μH 3.6A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 43mΩ - -
RS Stock No. 169-3739
BrandRS PRO
€0.184
Each (On a Reel of 1000)
units
22 μH 1.5A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 110mΩ - -
RS Stock No. 123-4654
BrandRS PRO
€0.894
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. 162-1421
BrandRS PRO
€2.604
Each (On a Reel of 200)
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. 124-5596
BrandRS PRO
€0.241
Each (In a Pack of 50)
units
- 100mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 500mΩ - Ferrite
RS Stock No. 740-9243
BrandRS PRO
€0.458
Each (In a Bag of 5)
units
10 μH 1.1A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 160mΩ - -
RS Stock No. 124-5585
BrandRS PRO
€0.361
Each (In a Pack of 20)
units
560 μH 730mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 1.07Ω - -
RS Stock No. 740-9518
BrandRS PRO
€0.922
Each (In a Bag of 5)
units
470 μH 1.4A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 850mΩ - -
RS Stock No. 124-5617
BrandRS PRO
€0.414
Each (In a Pack of 25)
units
820 μH 500mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.768Ω - -
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