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. 740-9312
BrandRS PRO
€0.168
Each (In a Bag of 10)
units
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 763-1459
BrandRS PRO
€0.013
Each (On a Reel of 1000)
units
4.7 nH 500mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±0.3nH 200mΩ CL Ceramic
RS Stock No. 123-4659
BrandRS PRO
€0.204
Each (In a Pack of 10)
units
10 μH 1.84A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 49mΩ - -
RS Stock No. 169-3438
BrandRS PRO
€0.329
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. 162-1404
BrandRS PRO
€0.731
Each (On a Reel of 400)
units
10 μH 10A - 13.4mm - 12.5mm 6.8mm - 13.4 x 12.5 x 6.8mm Yes ±20% 16.8mΩ - Ferrite
RS Stock No. 169-3708
BrandRS PRO
€0.329
Each (On a Reel of 500)
units
330 μH 600mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 1.02Ω - -
RS Stock No. 740-9454
BrandRS PRO
€0.215
Each (In a Bag of 20)
units
330 μH 140mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% - -
RS Stock No. 169-3717
BrandRS PRO
€249.92
1 Reel of 2000
Reel(s)
330 μH 140mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% - -
RS Stock No. 169-3695
BrandRS PRO
€1,092.46
1 Reel of 2500
Reel(s)
10 μH 1.1A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 160mΩ - -
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. 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. 740-9287
BrandRS PRO
€0.24
Each (In a Bag of 5)
units
1 mH 100mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 13.8Ω - -
RS Stock No. 169-3755
BrandRS PRO
€0.343
Each (On a Reel of 600)
units
47 μH 1.8A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 75mΩ - -
RS Stock No. 741-9108
BrandRS PRO
€0.148
Each (In a Bag of 5)
units
56 μH 410mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 625mΩ NPIS43D -
RS Stock No. 763-1430
BrandRS PRO
€0.031
Each (On a Reel of 1000)
units
3.3 nH 380mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 450mΩ AL Ceramic
RS Stock No. 169-3740
BrandRS PRO
€94.40
1 Reel of 1000
Reel(s)
33 μH 1.2A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 130mΩ - -
RS Stock No. 740-9609
BrandRS PRO
€0.154
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. 162-1418
BrandRS PRO
€0.165
Each (On a Reel of 500)
units
1 mH 300mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% - -
RS Stock No. 169-3431
BrandRS PRO
€526.55
1 Reel of 2500
Reel(s)
±22 μH 800mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm - - 370mΩ - -
RS Stock No. 169-3444
BrandRS PRO
€0.343
Each (On a Reel of 400)
units
2.2 μH 8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 11.5mΩ - -
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