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. 763-1351
BrandRS PRO
€0.06
Each (On a Reel of 1000)
units
18 nH 600mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 200mΩ WL05 Ceramic
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. 169-3740
BrandRS PRO
€0.096
Each (On a Reel of 1000)
units
33 μH 1.2A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 130mΩ - -
RS Stock No. 169-3771
BrandRS PRO
€0.30
Each (On a Reel of 400)
units
220 μH 1.16A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 390mΩ - -
RS Stock No. 740-9603
BrandRS PRO
€0.215
Each (In a Bag of 20)
units
120 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 750mΩ - -
RS Stock No. 124-5580
BrandRS PRO
€0.554
Each (In a Pack of 20)
units
10 μH 4A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 25mΩ - -
RS Stock No. 169-3785
BrandRS PRO
€0.155
Each (On a Reel of 2500)
units
120 μH 270mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 1.27Ω NPIS43D -
RS Stock No. 124-5601
BrandRS PRO
€0.088
Each (In a Pack of 50)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 800mΩ - Ferrite
RS Stock No. 124-5606
BrandRS PRO
€0.375
Each (In a Pack of 25)
units
15 μH 3.1A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 80mΩ - -
RS Stock No. 173-0203
BrandRS PRO
€0.927
Each (In a Box of 300)
units
150 μH 880mA - 12mm - 12mm 7mm - 12 x 12 x 7mm - ±15% 307mΩ LCP -
RS Stock No. 123-4653
BrandRS PRO
€0.974
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 - -
RS Stock No. 741-9029
BrandRS PRO
€0.384
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. 741-9016
BrandRS PRO
€0.316
Each (In a Bag of 5)
units
330 μH 950mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 640mΩ - -
RS Stock No. 169-3477
BrandRS PRO
€0.14
Each (On a Reel of 750)
units
330 μH 750mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 812mΩ - -
RS Stock No. 169-3723
BrandRS PRO
€0.57
Each (On a Reel of 250)
units
100 μH 3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 190mΩ - -
RS Stock No. 740-9353
BrandRS PRO
€0.532
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. 169-3434
BrandRS PRO
€0.329
Each (On a Reel of 500)
units
±2.2 μH 6.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 12mΩ - -
RS Stock No. 169-3792
BrandRS PRO
€0.329
Each (On a Reel of 1000)
units
33 μH 1.1A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 124mΩ - -
RS Stock No. 169-3437
BrandRS PRO
€0.329
Each (On a Reel of 500)
units
±220 μH 800mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 610mΩ - -
RS Stock No. 123-4656
BrandRS PRO
€0.296
Each (In a Pack of 20)
units
10 μH 300mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 572mΩ - -
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