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. 740-9520
BrandRS PRO
MYR5.298
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. 763-1311
BrandRS PRO
MYR0.368
Each (On a Reel of 1000)
units
39 nH 600mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 250mΩ WL03 Ceramic
RS Stock No. 169-3468
BrandRS PRO
MYR1.745
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. 740-9659
BrandRS PRO
MYR1.772
Each (In a Bag of 10)
units
22 μH 1.5A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 110mΩ - -
RS Stock No. 740-9397
BrandRS PRO
MYR1.281
Each (In a Bag of 20)
units
10 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 190mΩ - -
RS Stock No. 169-3774
BrandRS PRO
MYR2.041
Each (On a Reel of 400)
units
680 μH 670mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.46Ω - -
RS Stock No. 173-0205
BrandRS PRO
MYR118.82
Each (In a Box of 300)
units
220 μH 940mA - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 298mΩ LCP -
RS Stock No. 169-3739
BrandRS PRO
MYR1.094
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. 124-5606
BrandRS PRO
MYR1.613
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. 763-1367
BrandRS PRO
MYR0.357
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. 169-3698
BrandRS PRO
MYR2.598
Each (On a Reel of 2500)
units
47 μH 500mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 640mΩ - -
RS Stock No. 124-5596
BrandRS PRO
MYR1.44
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. 169-3706
BrandRS PRO
MYR1.958
Each (On a Reel of 500)
units
33 μH 2.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 100mΩ - -
RS Stock No. 169-3768
BrandRS PRO
MYR2.041
Each (On a Reel of 400)
units
39 μH 2.75A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 73mΩ - -
RS Stock No. 169-3733
BrandRS PRO
MYR0.879
Each (On a Reel of 1500)
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. 763-1412
BrandRS PRO
MYR0.357
Each (On a Reel of 1000)
units
820 nH 180mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 2.35Ω WL05 Ceramic
RS Stock No. 741-8972
BrandRS PRO
MYR2.292
Each (In a Bag of 5)
units
47 μH 2.5A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 100mΩ - -
RS Stock No. 169-3712
BrandRS PRO
MYR0.743
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. 741-9202
BrandRS PRO
MYR2.076
Each (In a Bag of 5)
units
10 μH 2A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 38mΩ NPIS64D -
RS Stock No. 169-3762
BrandRS PRO
MYR2.925
Each (On a Reel of 600)
units
1 mH 400mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 1.53Ω - -
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