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. 740-9362
BrandRS PRO
€0.165
Each (In a Bag of 20)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 124-5607
BrandRS PRO
€0.272
Each (In a Pack of 25)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 741-9265
BrandRS PRO
€0.16
Each (In a Bag of 5)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 124-5584
BrandRS PRO
€0.147
Each (In a Pack of 20)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 169-3709
BrandRS PRO
€0.128
Each (On a Reel of 2000)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 169-3795
BrandRS PRO
€0.158
Each (On a Reel of 1000)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 169-3469
BrandRS PRO
€0.222
Each (On a Reel of 1000)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 169-3442
BrandRS PRO
€0.503
Each (On a Reel of 600)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 169-3446
BrandRS PRO
€0.152
Each (On a Reel of 400)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 124-5581
BrandRS PRO
€0.554
Each (In a Pack of 20)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 123-4655
BrandRS PRO
€0.76
Each (In a Pack of 2)
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. 123-4656
BrandRS PRO
€0.296
Each (In a Pack of 20)
units
10 μH 300mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 572mΩ - -
RS Stock No. 123-4663
BrandRS PRO
€0.364
Each (In a Pack of 10)
units
68 μH 2.85A - 12mm - 12.5mm 10mm - 12 x 12 x 10mm Yes ±20% 93mΩ - -
RS Stock No. 169-3451
BrandRS PRO
€0.686
Each (On a Reel of 250)
units
220 μH 1.72A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 246mΩ - -
RS Stock No. 169-3736
BrandRS PRO
€0.227
Each (On a Reel of 1500)
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. 169-3465
BrandRS PRO
€0.222
Each (On a Reel of 1000)
units
6.8 μH 4.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 27mΩ - -
RS Stock No. 169-3452
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 - 200mΩ - Ferrite
RS Stock No. 124-5572
BrandRS PRO
€0.37
Each (In a Pack of 20)
units
±1.5 μH 6.4A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 10mΩ - -
RS Stock No. 763-1308
BrandRS PRO
€0.079
Each (On a Reel of 1000)
units
12 nH 700mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 130mΩ WL03 Ceramic
RS Stock No. 742-3457
BrandRS PRO
€1.07
Each (In a Bag of 5)
units
4.7 μH 27A 145C 13.45mm - 12.6mm 4.65mm - 13.45 x 12.6 x 4.65mm Yes ±20% 15mΩ NPIM145C Ferrite
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