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. 172-9610
Mfr. Part No.SDR0403-5R6ML
BrandBourns
MYR1.465
Each (On a Reel of 2000)
units
5.6 μH 1.6A SMD 4.5mm - 4mm 3.2mm 4.5mm 4.5 Dia. x 3.2mm - ±20% 100mΩ SDR0403 Ferrite DR
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. 163-3770
Mfr. Part No.74477810
MYR6.783
Each (On a Reel of 1000)
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. 798-1767
Mfr. Part No.744774133
MYR7.20
Each
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. 727-1593
Mfr. Part No.SDR0403-5R6ML
BrandBourns
MYR2.048
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. 169-9621
Mfr. Part No.DR125-330-R
MYR3.035
Each (On a Reel of 600)
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. 871-2076
Mfr. Part No.LQM18NN1R5K00D
BrandMurata
MYR0.876
Each (In a Bag of 25)
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. 181-6285
Mfr. Part No.SDR0403-5R6ML
BrandBourns
MYR1.25
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. 532-3263
Mfr. Part No.36502A24NJTDG
MYR2.483
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. 169-2766
Mfr. Part No.LQG15HS12NJ02D
BrandMurata
MYR0.083
Each (On a Reel of 10000)
units
12 nH 300mA 1005 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±5% 280mΩ LQG15HS Non-Magnetic Ceramic
RS Stock No. 725-4829
Mfr. Part No.LQG15HN10NJ02D
BrandMurata
MYR0.267
Each (In a Pack of 10)
units
10 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 350mΩ LQG15H -
RS Stock No. 170-3284
Mfr. Part No.NL453232T-470J-PF
BrandTDK
MYR0.924
Each (On a Reel of 500)
units
47 μH 140mA 4532 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - - NL Ferrite
RS Stock No. 168-0293
Mfr. Part No.36502CR36JTDG
MYR0.961
Each (In a Box of 100)
units
360 nH 470mA 1008 2.92mm - 2.79mm 2.1mm - 2.92 x 2.79 x 2.1mm - ±5% 1.1Ω 3650 -
RS Stock No. 167-5687
Mfr. Part No.LQG15HS18NJ02D
BrandMurata
MYR0.078
Each (On a Reel of 10000)
units
18 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 360mΩ LQG15H -
RS Stock No. 172-9678
Mfr. Part No.SRR7032-471M
BrandBourns
MYR2.141
Each (On a Reel of 1500)
units
470 μH 200mA 7032 7mm - 7mm 3.2mm - 7 x 7 x 3.2mm Yes ±20% 2.4Ω SRR7032 Ferrite
RS Stock No. 163-7441
Mfr. Part No.74438336010
MYR3.794
Each (On a Reel of 1000)
units
1 μH 4A 3020 3mm - 3mm 2mm - 3 x 3 x 2mm Yes ±20% 32mΩ WE-MAPI Magnetic Iron Alloy
RS Stock No. 172-9772
Mfr. Part No.SRR1210-680M
BrandBourns
MYR2.39
Each (On a Reel of 250)
units
68 μH 3A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 102mΩ SRR1210 Ferrite
RS Stock No. 692-7728
Mfr. Part No.CM322522-2R2KL
BrandBourns
MYR1.06
Each (In a Pack of 10)
units
2.2 μH 190mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 950mΩ CM32 Ferrite
RS Stock No. 748-7423
Mfr. Part No.IHLP5050FDER1R0M01
BrandVishay
MYR21.82
Each
units
1 μH 32A 5050 13.2mm - 12.9mm 6.5mm - 13.2 x 12.9 x 6.5mm Yes ±20% 2mΩ IHLP Metal Composite
RS Stock No. 167-4938
Mfr. Part No.LQH5BPN100MT0L
BrandMurata
MYR0.963
Each (On a Reel of 500)
units
10 μH 1.6 (Temperature Rise) A, 2 (Inductance Change) A 5050 5mm - 5mm 2mm - 5 x 5 x 2mm Yes - 106mΩ LQH5BPN Ferrite