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. 169-3788
BrandRS PRO
SGD0.505
Each (On a Reel of 2500)
units
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
RS Stock No. 169-3477
BrandRS PRO
SGD0.488
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. 124-5606
BrandRS PRO
SGD0.517
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. 169-3729
BrandRS PRO
SGD0.239
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. 169-3694
BrandRS PRO
SGD0.832
Each (On a Reel of 2500)
units
1.5 μH 2.8A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 50mΩ - -
RS Stock No. 169-3425
BrandRS PRO
SGD0.97
Each (On a Reel of 1000)
units
22 μH 1.23A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 110mΩ - -
RS Stock No. 740-9520
BrandRS PRO
SGD1.576
Each (In a Bag of 5)
units
1 mH 1A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 1.8Ω - -
RS Stock No. 740-9609
BrandRS PRO
SGD0.434
Each (In a Bag of 20)
units
100 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 700mΩ - -
RS Stock No. 740-9390
BrandRS PRO
SGD6.91
1 Bag of 20
Bag(s)
12 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 210mΩ - -
RS Stock No. 741-8978
BrandRS PRO
SGD0.67
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 - -
RS Stock No. 741-8865
BrandRS PRO
SGD0.97
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. 740-9312
BrandRS PRO
SGD9.20
1 Bag of 10
Bag(s)
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 763-1421
BrandRS PRO
SGD0.115
Each (On a Reel of 1000)
units
1 μH 170mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 2.5Ω WL05 Ceramic
RS Stock No. 123-4652
BrandRS PRO
SGD1.537
Each (In a Pack of 10)
units
1 μH 11A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 10mΩ - Ferrite
RS Stock No. 169-3722
BrandRS PRO
SGD1.01
Each (On a Reel of 250)
units
68 μH 3.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 130mΩ - -
RS Stock No. 169-3426
BrandRS PRO
SGD0.337
Each (On a Reel of 2000)
units
8.2 μH 2.25A - 6mm - 6.6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 550µΩ - -
RS Stock No. 169-3438
BrandRS PRO
SGD0.627
Each (On a Reel of 500)
units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
RS Stock No. 741-9117
BrandRS PRO
SGD0.398
Each (In a Bag of 5)
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. 169-3712
BrandRS PRO
SGD0.238
Each (On a Reel of 2000)
units
3.3 μH 2A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 70mΩ - -
RS Stock No. 123-4661
BrandRS PRO
SGD2.134
Each (In a Pack of 10)
units
22 μH 4.95A - 12mm - 12.5mm 10mm - 12 x 12 x 10mm Yes ±20% 29mΩ - -