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. 617-1495
Mfr. Part No.74477810
MYR10.71
Each
units
10 μH 1.38A - 7.3mm - 7.3mm 3.2mm - 7.3 x 7.3 x 3.2mm Yes ±20% 72mΩ WE-PD Ferrite
RS Stock No. 532-3263
Mfr. Part No.36502A24NJTDG
MYR1.36
Each (In a Pack of 10)
units
24 nH 500mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 220mΩ 3650 -
RS Stock No. 163-5051
Mfr. Part No.744774133
MYR5.747
Each (On a Reel of 1500)
units
33 μH 1.09A 5848 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±15% 230mΩ - -
RS Stock No. 163-9501
Mfr. Part No.36502A3N3JTDG
MYR0.745
Each (On a Reel of 2000)
units
3.3 nH 600mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 80mΩ 3650 -
RS Stock No. 167-4826
Mfr. Part No.LQM18NN1R5K00D
BrandMurata
MYR0.41
Each (On a Reel of 4000)
units
1.5 μH 25mA 1608 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm Yes - 800mΩ LQM18N Ferrite
RS Stock No. 172-7164
Mfr. Part No.SRU1028-470Y
BrandBourns
MYR2.818
Each (On a Reel of 1000)
units
47 μH 1.3A - 10mm - 10mm 2.8mm - 10 x 10 x 2.8mm Yes ±30% - SRU1028 Ferrite
RS Stock No. 532-3156
Mfr. Part No.36502A3N3JTDG
MYR0.736
Each (In a Pack of 10)
units
3.3 nH 600mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 80mΩ 3650 -
RS Stock No. 181-6285
Mfr. Part No.SDR0403-5R6ML
BrandBourns
MYR0.998
Each (On a Reel of 250)
units
5.6 μH 1.6A SMD - - - 3.2mm 4.5mm 4.5 Dia. x 3.2mm - ±20% 100mΩ SDR0403 Ferrite DR
RS Stock No. 770-0962
Mfr. Part No.DR125-330-R
MYR8.446
Each (In a Bag of 5)
units
33 μH 3.84A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 50.5mΩ DR73/74/125/127 Ferrite
RS Stock No. 188-8823
Mfr. Part No.DLW5BSN152SQ2L
BrandMurata
MYR9.419
Each (In a Pack of 10)
units
- 1A 2020 5mm - 5mm 4.5mm - 5 x 5 x 4.5mm - - 100mΩ DLW5AH/5BS Ferrite
RS Stock No. 727-1593
Mfr. Part No.SDR0403-5R6ML
BrandBourns
MYR1.68
Each (In a Pack of 5)
units
5.6 μH 2.4A - 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm - ±20% 100mΩ SDR0403 Ferrite
RS Stock No. 800-8166
Mfr. Part No.7440690068
MYR7.36
Each
units
6.8 μH 1.75A 8015 8mm - 1.35mm 8mm - 8 x 8 x 1.35mm Yes ±20% 110mΩ WE-TPC Ferrite
RS Stock No. 770-1072
Mfr. Part No.DR73-101-R
MYR5.222
Each (In a Bag of 5)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 748-6870
Mfr. Part No.IHLP2020BZER6R8M11
BrandVishay
MYR2.494
Each (In a Bag of 5)
units
6.8 μH 2.8A 2020 5.49mm - 5.18mm 2mm - 5.49 x 5.18 x 2mm Yes ±20% 121mΩ IHLP-2020BZ-11 Metal Composite
RS Stock No. 163-3756
Mfr. Part No.74477420
MYR4.58
Each (On a Reel of 1500)
units
100 μH 570mA - 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 650mΩ WE-PD2 Ferrite
RS Stock No. 169-9648
Mfr. Part No.DR73-101-R
MYR3.687
Each (On a Reel of 1350)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 181-6882
Mfr. Part No.SDR0805-2R5ML
BrandBourns
MYR1.31
Each (On a Reel of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 163-4865
Mfr. Part No.7440690068
MYR4.79
Each (On a Reel of 550)
units
6.8 μH 1.75A 8015 8mm - 1.35mm 8mm - 8 x 8 x 1.35mm Yes ±20% 110mΩ WE-TPC Ferrite
RS Stock No. 108-4741
Mfr. Part No.SLF12555T-100M3R4-PF
BrandTDK
MYR3.046
Each (On a Reel of 500)
units
10 μH 4.3A - 12.5mm - 12.5mm 5.5mm - 12.5 x 12.5 x 5.5mm Yes ±20% 21.5mΩ SLF Ferrite
RS Stock No. 163-3235
Mfr. Part No.744231121
MYR3.501
Each (On a Reel of 2000)
units
- 370mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm - ±25% 300mΩ WE-CNSW SMD Ferrite
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