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. 170-3318
Mfr. Part No.VLF302515MT-2R2M
BrandTDK
$1.061
Each (On a Reel of 2000)
units
2.2 μH 2.71A 302515 3mm - 2.5mm 1.5mm - 3 x 2.5 x 1.5mm Yes ±20% 50mΩ VLF-M Ferrite
RS Stock No. 916-4289
Mfr. Part No.VLF302515MT-2R2M
BrandTDK
$2.674
Each (In a Pack of 5)
units
2.2 μH 2.71A 302515 3mm - 2.5mm 1.5mm - 3 x 2.5 x 1.5mm Yes ±20% 50mΩ VLF-M Ferrite
RS Stock No. 741-2986
Mfr. Part No.SLF7032T-102MR13-2PF
BrandTDK
$1.623
Each (In a Bag of 10)
units
1 mH 130mA - - - - - - - - ±20% 4.78Ω SLF -
RS Stock No. 604-4703
Mfr. Part No.SLF7030T-101MR35-PF
BrandTDK
$1.862
Each (In a Pack of 10)
units
100 μH 350mA - 7mm - 7mm 3mm - 7 x 7 x 3mm Yes ±20% 450mΩ - -
RS Stock No. 604-4163
Mfr. Part No.SLF12555T-681MR43-PF
BrandTDK
$2.31
Each (In a Pack of 5)
units
680 μH 430mA - 12.5mm - 12.5mm 5.5mm - 12.5 x 12.5 x 5.5mm Yes ±20% 760mΩ - -
RS Stock No. 916-4239
Mfr. Part No.SLF7045T-102MR14-PF
BrandTDK
$1.39
Each (In a Pack of 10)
units
1 mH 250mA 7045 7mm - 7mm 4.5mm - 7 x 7 x 4.5mm Yes ±20% - SLF Ferrite
RS Stock No. 170-3302
Mfr. Part No.SLF7045T-102MR14-PF
BrandTDK
$0.741
Each (On a Reel of 1000)
units
1 mH 250mA 7045 7mm - 7mm 4.5mm - 7 x 7 x 4.5mm Yes ±20% - SLF Ferrite
RS Stock No. 108-4707
Mfr. Part No.SLF7032T-100M1R4-2PF
BrandTDK
$0.691
Each (On a Reel of 1000)
units
10 μH 1.4A - - - - - - - - ±20% 53mΩ SLF -
RS Stock No. 111-0878
Mfr. Part No.RLF12560T-100M7R5-PF
BrandTDK
$2.07
Each (On a Reel of 500)
units
10 μH 7.8A 12560 12.8mm - 12.5mm 6mm - 12.8 x 12.5 x 6mm Yes ±20% 12.4mΩ RLF12560 -
RS Stock No. 108-4659
Mfr. Part No.ACM2012-900-2P-T
BrandTDK
$0.366
Each (On a Reel of 2000)
units
- 400mA 2012 2mm - 1.2mm 1.3mm - 2 x 1.2 x 1.3mm - - 190mΩ ACM Ferrite
RS Stock No. 604-2628
Mfr. Part No.NL453232T-100J-PF
BrandTDK
$0.612
Each (In a Pack of 10)
units
10 μH 250mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±5% 1.6Ω - -
RS Stock No. 170-3296
Mfr. Part No.SLF6045T-150M1R3-3PF
BrandTDK
$0.714
Each (On a Reel of 1000)
units
15 μH 2.2A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes - 59.5mΩ SLF Ferrite
RS Stock No. 124-7779
Mfr. Part No.CLF12577NIT-330M-D
BrandTDK
$4.038
Each (In a Pack of 5)
units
33 μH 3.6 (Temperature) A, 3.65 (Saturation) A - 12.8mm - 12.5mm 7.7mm - 12.8 x 12.5 x 7.7mm Yes ±20% 52mΩ CLF-NI-D Ferrite
RS Stock No. 170-3220
Mfr. Part No.CLF12577NIT-330M-D
BrandTDK
$1.701
Each (On a Reel of 500)
units
33 μH 3.6 (Temperature) A, 3.65 (Saturation) A - 12.8mm - 12.5mm 7.7mm - 12.8 x 12.5 x 7.7mm Yes ±20% 52mΩ CLF-NI-D Ferrite
RS Stock No. 831-9245
Mfr. Part No.ACM2012-900-2P-T002
BrandTDK
$0.624
Each (In a Bag of 5)
units
- 400mA 2012 2mm - 1.2mm 1.3mm - 2 x 1.2 x 1.3mm Yes - 190mΩ ACM -
RS Stock No. 109-5016
Mfr. Part No.ACM2012-900-2P-T002
BrandTDK
$0.299
Each (On a Reel of 2000)
units
- 400mA 2012 2mm - 1.2mm 1.3mm - 2 x 1.2 x 1.3mm Yes - 190mΩ ACM -
RS Stock No. 605-9266
Mfr. Part No.ACM2012-900-2P
BrandTDK
$1.162
Each (In a Pack of 5)
units
- 400mA 2012 2mm - 1.2mm 1.3mm - 2 x 1.2 x 1.3mm - - 190mΩ - Ferrite
RS Stock No. 741-2974
Mfr. Part No.SLF7032T-100M1R4-2PF
BrandTDK
$1.364
Each (In a Bag of 10)
units
10 μH 1.4A - - - - - - - - ±20% 53mΩ SLF -
RS Stock No. 547-4715
Mfr. Part No.ACM2012-900-2P-T
BrandTDK
$0.74
Each
units
- 400mA 2012 2mm - 1.2mm 1.3mm - 2 x 1.2 x 1.3mm - - 190mΩ ACM Ferrite
RS Stock No. 124-7772
Mfr. Part No.CLF12577NIT-150M-D
BrandTDK
$3.36
Each (In a Pack of 5)
units
15 μH 5.1 (Temperature) A, 5.85 (Saturation) A - 12.8mm - 12.5mm 7.7mm - 12.8 x 12.5 x 7.7mm Yes ±20% 24mΩ CLF-NI-D Ferrite