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. 169-3745
BrandRS PRO
R 3.85
Each (On a Reel of 1000)
units
220 μH 490mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 960mΩ - -
RS stock no. 740-9693
BrandRS PRO
R 6.56
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. 124-5586
BrandRS PRO
R 21.473
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. 169-3448
BrandRS PRO
R 12.411
Each (On a Reel of 250)
units
47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS stock no. 124-5612
BrandRS PRO
R 8.051
Each (In a Pack of 25)
units
100 μH 350mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 253mΩ - -
RS stock no. 169-3444
BrandRS PRO
R 6.879
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 - -
RS stock no. 167-8495
Mfr. Part No.B82462G4224M000
BrandEPCOS
R 12.102
Each (On a Reel of 2500)
units
220 μH 350mA - 6.3mm - 6.3mm 3mm - 6.3 x 6.3 x 3mm Yes ±20% 1.35Ω B82462-G4 Ferrite
RS stock no. 495-8212
Mfr. Part No.B82462G4224M000
BrandEPCOS
R 28.014
Each (In a Pack of 5)
units
220 μH 350mA - 6.3mm - 6.3mm 3mm - 6.3 x 6.3 x 3mm Yes ±20% 1.35Ω B82462-G4 Ferrite
RS stock no. 169-3477
BrandRS PRO
R 3.891
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. 124-5583
BrandRS PRO
R 8.054
Each (In a Pack of 20)
units
2.2 μH 8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 11.5mΩ - -
RS stock no. 169-3475
BrandRS PRO
R 7.274
Each (On a Reel of 750)
units
100 μH 350mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 253mΩ - -
RS stock no. 124-5615
BrandRS PRO
R 4.633
Each (In a Pack of 25)
units
330 μH 750mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 812mΩ - -
RS stock no. 727-2079
Mfr. Part No.SRR6028-100Y
BrandBourns
R 10.366
Each (In a Pack of 5)
units
10 μH 2A 6028 6.8mm - 6.8mm 2.8mm - 6.8 x 6.8 x 2.8mm Yes ±30% 65mΩ SRR6028 Ferrite
RS stock no. 172-9664
Mfr. Part No.SRR6028-100Y
BrandBourns
R 6.021
Each (On a Reel of 500)
units
10 μH 2A 6028 6.8mm - 6.8mm 2.8mm - 6.8 x 6.8 x 2.8mm Yes ±30% 65mΩ SRR6028 Ferrite
RS stock no. 124-1890
Mfr. Part No.7447709101
R 48.854
Each (In a Pack of 5)
units
100 μH 2.5A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 110mΩ WE-PD -
RS stock no. 172-8325
Mfr. Part No.SRN4012T-4R7M
BrandBourns
R 1.952
Each (On a Reel of 4500)
units
4.7 μH 1.5A 4012 4mm - 4mm 1.2mm - 4 x 4 x 1.2mm Yes ±20% - SRN4012T Ferrite
RS stock no. 741-8880
BrandRS PRO
R 7.982
Each (In a Bag of 5)
units
68 μH 1.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 120mΩ - -
RS stock no. 850-7445
Mfr. Part No.SRN4012T-4R7M
BrandBourns
R 6.035
Each (In a Bag of 10)
units
4.7 μH 1.5A 4012 4mm - 4mm 1.2mm - 4 x 4 x 1.2mm Yes ±20% 95mΩ SRN4012T Ferrite
RS stock no. 167-5793
Mfr. Part No.LQH44PN100MP0L
BrandMurata
R 2.917
Each (On a Reel of 1000)
units
10 μH 1.17A 1515 4mm - 3.5mm 1.65mm - 4 x 3.5 x 1.65mm Yes ±20% 160mΩ LQH44P_P0 -
RS stock no. 173-1380
Mfr. Part No.IHLP2525CZER100M11
BrandVishay
R 10.166
Each (On a Reel of 2000)
units
10 μH 4A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 71.2mΩ IHLP Metal Composite