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. 124-5587
BrandRS PRO
€1.21
Each (In a Pack of 10)
units
100 μH 2.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 126mΩ - -
RS Stock No. 169-3729
BrandRS PRO
€0.226
Each (On a Reel of 1500)
units
3.3 μH 2.5A 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±20% 40mΩ - -
RS Stock No. 169-3715
BrandRS PRO
€0.10
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. 741-9029
BrandRS PRO
€0.396
Each (In a Bag of 5)
units
470 μH 790mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 980mΩ - -
RS Stock No. 169-3424
BrandRS PRO
€0.566
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. 741-9246
BrandRS PRO
€0.396
Each (In a Bag of 5)
units
100 μH 650mA 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 358mΩ - -
RS Stock No. 169-3789
BrandRS PRO
€0.17
Each (On a Reel of 2500)
units
100 μH 420mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 520mΩ NPIS53D -
RS Stock No. 169-3699
BrandRS PRO
€0.628
Each (On a Reel of 2500)
units
220 μH 220mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 3.11Ω - -
RS Stock No. 169-3754
BrandRS PRO
€0.506
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 - -
RS Stock No. 169-3479
BrandRS PRO
€0.377
Each (On a Reel of 750)
units
820 μH 500mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.768Ω - -
RS Stock No. 169-3784
BrandRS PRO
€0.155
Each (On a Reel of 2500)
units
56 μH 410mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 625mΩ NPIS43D -
RS Stock No. 124-5582
BrandRS PRO
€0.372
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. 740-9353
BrandRS PRO
€0.535
Each (In a Bag of 10)
units
1 mH 300mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% - -
RS Stock No. 740-9693
BrandRS PRO
€0.326
Each (In a Bag of 10)
units
220 μH 490mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 960mΩ - -
RS Stock No. 740-9280
BrandRS PRO
€0.724
Each (In a Bag of 5)
units
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. 740-9542
BrandRS PRO
€0.222
Each (In a Bag of 20)
units
3.3 μH 2.5A 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±20% 40mΩ - -
RS Stock No. 123-4657
BrandRS PRO
€0.208
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. 740-9599
BrandRS PRO
€0.416
Each (In a Bag of 20)
units
47 μH 850mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 350mΩ - -
RS Stock No. 169-3737
BrandRS PRO
€0.153
Each (On a Reel of 1500)
units
220 μH 400mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 1.2Ω - -
RS Stock No. 740-9331
BrandRS PRO
€0.36
Each (In a Bag of 10)
units
100 μH 1.3A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 280mΩ - -
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