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. 169-3780
BrandRS PRO
€0.155
Each (On a Reel of 2500)
units
12 μH 840mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 132mΩ NPIS43D -
RS Stock No. 169-3742
BrandRS PRO
€0.184
Each (On a Reel of 1000)
units
68 μH 850mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 280mΩ - -
RS Stock No. 124-5604
BrandRS PRO
€0.272
Each (In a Pack of 25)
units
6.8 μH 4.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 27mΩ - -
RS Stock No. 740-9417
BrandRS PRO
€0.182
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. 169-3419
BrandRS PRO
€0.77
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. 124-5611
BrandRS PRO
€0.414
Each (In a Pack of 25)
units
22 μH 2.95A 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 61mΩ - -
RS Stock No. 169-3479
BrandRS PRO
€0.375
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. 124-5595
BrandRS PRO
€0.268
Each (In a Pack of 50)
units
- 300mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 400mΩ - Ferrite
RS Stock No. 169-3456
BrandRS PRO
€0.169
Each (On a Reel of 2000)
units
- 300mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 400mΩ - Ferrite
RS Stock No. 740-9662
BrandRS PRO
€0.099
Each (In a Bag of 10)
units
33 μH 1.2A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 130mΩ - -
RS Stock No. 740-9653
BrandRS PRO
€0.108
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. 740-9542
BrandRS PRO
€0.215
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. 763-1367
BrandRS PRO
€0.023
Each (On a Reel of 1000)
units
33 nH 500mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 270mΩ WL05 Ceramic
RS Stock No. 169-3752
BrandRS PRO
€0.503
Each (On a Reel of 600)
units
33 μH 2.1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 57mΩ - -
RS Stock No. 741-8928
BrandRS PRO
€0.378
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. 763-1314
BrandRS PRO
€0.021
Each (On a Reel of 1000)
units
27 nH 600mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 220mΩ WL03 Ceramic
RS Stock No. 124-5600
BrandRS PRO
€0.241
Each (In a Pack of 50)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 750mΩ - Ferrite
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. 169-3453
BrandRS PRO
€0.169
Each (On a Reel of 2000)
units
- 400mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 250mΩ - Ferrite
RS Stock No. 741-8978
BrandRS PRO
€0.378
Each (In a Bag of 5)
units
39 μH 2.75A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 73mΩ - -
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