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. 763-1437
BrandRS PRO
€0.031
Each (On a Reel of 1000)
units
2.2 nH 440mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 350mΩ AL Ceramic
RS Stock No. 741-8903
BrandRS PRO
€0.378
Each (In a Bag of 5)
units
220 μH 800mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 400mΩ - -
RS Stock No. 124-5586
BrandRS PRO
€0.396
Each (In a Pack of 10)
units
47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS Stock No. 763-1424
BrandRS PRO
€0.031
Each (On a Reel of 1000)
units
1 nH 700mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 150mΩ AL Ceramic
RS Stock No. 741-9145
BrandRS PRO
€0.168
Each (In a Bag of 5)
units
10 μH 1.3A 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 65mΩ NPIS53D -
RS Stock No. 124-5597
BrandRS PRO
€0.241
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. 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. 169-3422
BrandRS PRO
€200.60
1 Reel of 1000
Reel(s)
100 μH 600mA - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 610mΩ - -
RS Stock No. 124-5573
BrandRS PRO
€0.37
Each (In a Pack of 20)
units
±2.2 μH 6.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 12mΩ - -
RS Stock No. 169-3456
BrandRS PRO
€329.19
1 Reel of 2000
Reel(s)
- 300mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 400mΩ - 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 - -
RS Stock No. 741-8922
BrandRS PRO
€0.18
Each (In a Bag of 5)
units
1 mH 400mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 1.53Ω - -
RS Stock No. 104-8412
BrandRS PRO
€1.06
Each (In a Pack of 2)
units
100 μH 1.4A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 128mΩ LCP -
RS Stock No. 740-9693
BrandRS PRO
€0.316
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. 169-3779
BrandRS PRO
€0.312
Each (On a Reel of 2500)
units
6.8 μH 1.12A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 109mΩ NPIS43D -
RS Stock No. 169-3711
BrandRS PRO
€249.92
1 Reel of 2000
Reel(s)
4.7 μH 1.9A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 80mΩ - -
RS Stock No. 169-3727
BrandRS PRO
€0.57
Each (On a Reel of 250)
units
470 μH 1.4A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 850mΩ - -
RS Stock No. 169-3441
BrandRS PRO
€0.343
Each (On a Reel of 600)
units
10 μH 4A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 25mΩ - -
RS Stock No. 741-8919
BrandRS PRO
€0.16
Each (In a Bag of 5)
units
390 μH 650mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 690mΩ - -
RS Stock No. 740-9659
BrandRS PRO
€0.297
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 - -
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