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. 740-9693
BrandRS PRO
R 3.60
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. 169-3745
BrandRS PRO
R 3.203
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. 209-077
Mfr. Part No.BNX002-01
BrandMurata
R 123.57
Each
units
- 10A - 12mm - 11mm 13mm - 12 x 11 x 13mm - - 100MΩ BNX002 -
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. 124-5586
BrandRS PRO
R 18.286
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. 124-5615
BrandRS PRO
R 5.148
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. 169-3475
BrandRS PRO
R 2.281
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. 124-5612
BrandRS PRO
R 2.336
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. 167-8495
Mfr. Part No.B82462G4224M000
BrandEPCOS
R 10.388
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 16.33
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. 169-3444
BrandRS PRO
R 5.904
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. 124-5583
BrandRS PRO
R 6.89
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. 169-3477
BrandRS PRO
R 4.403
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. 727-2079
Mfr. Part No.SRR6028-100Y
BrandBourns
R 7.866
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. 124-1890
Mfr. Part No.7447709101
R 41.354
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. 172-9664
Mfr. Part No.SRR6028-100Y
BrandBourns
R 5.08
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. 173-1380
Mfr. Part No.IHLP2525CZER100M11
BrandVishay
R 8.646
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
RS stock no. 172-8325
Mfr. Part No.SRN4012T-4R7M
BrandBourns
R 1.732
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. 169-3773
BrandRS PRO
R 7.592
Each (On a Reel of 400)
units
330 μH 950mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 640mΩ - -
RS stock no. 167-5793
Mfr. Part No.LQH44PN100MP0L
BrandMurata
R 2.459
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 -