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. 172-8537
Mfr. Part No.SRR1260-330M
BrandBourns
MYR2.453
Each (On a Reel of 600)
units
33 μH 3A 1260 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% - SRR1260 Ferrite
RS Stock No. 170-3325
Mfr. Part No.VLS3015ET-4R7M
BrandTDK
MYR1.197
Each (On a Reel of 2000)
units
4.7 μH 1.35A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 136mΩ VLS-E Ferrite
RS Stock No. 801-9550
Mfr. Part No.B82432T1104K000
BrandEPCOS
MYR3.80
Each (In a Bag of 5)
units
100 μH 200mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 3.5Ω SIMID Ferrite
RS Stock No. 744-4845
Mfr. Part No.744066680
MYR7.93
Each (In a Bag of 5)
units
68 μH 1.5A 1038 10mm - 10mm 3.8mm - 10 x 10 x 3.8mm Yes ±30% 216mΩ WE-TPC Ferrite
RS Stock No. 727-2274
Mfr. Part No.SRR1280-330M
BrandBourns
MYR3.854
Each (In a Pack of 5)
units
33 μH 3.5A - - - - - - - - ±20% 57mΩ SRR1280 Ferrite
RS Stock No. 813-5744
Mfr. Part No.SRN6028-150M
BrandBourns
MYR1.439
Each (In a Bag of 10)
units
15 μH 1.8A - 6mm - 6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 114mΩ SRN6028 Ferrite
RS Stock No. 172-7073
Mfr. Part No.SRN5040-470M
BrandBourns
MYR0.798
Each (On a Reel of 1000)
units
47 μH 900mA - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% - SRN5040 Ferrite
RS Stock No. 916-4308
Mfr. Part No.VLS3015ET-4R7M
BrandTDK
MYR1.57
Each (In a Pack of 10)
units
4.7 μH 1.35A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 136mΩ VLS-E Ferrite
RS Stock No. 813-5700
Mfr. Part No.SRN5040-470M
BrandBourns
MYR1.714
Each (In a Bag of 10)
units
47 μH 900mA - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% 324mΩ SRN5040 Ferrite
RS Stock No. 172-9597
Mfr. Part No.SRN6028-150M
BrandBourns
MYR1.24
Each (On a Reel of 1000)
units
15 μH 1.8A - 6mm - 6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 114mΩ SRN6028 Ferrite
RS Stock No. 172-8544
Mfr. Part No.SRR1280-330M
BrandBourns
MYR2.424
Each (On a Reel of 400)
units
33 μH 3.5A - - - - - - - - ±20% - SRR1280 Ferrite
RS Stock No. 167-0299
Mfr. Part No.B82432T1104K000
BrandEPCOS
MYR1.915
Each (On a Reel of 2500)
units
100 μH 200mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 3.5Ω SIMID 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. 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. 167-4826
Mfr. Part No.LQM18NN1R5K00D
BrandMurata
MYR0.341
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. 163-9501
Mfr. Part No.36502A3N3JTDG
MYR0.68
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. 692-0610
Mfr. Part No.SRU1028-470Y
BrandBourns
MYR2.82
Each
units
47 μH 1.3A - 10mm - 10mm 2.8mm - 10 x 10 x 2.8mm Yes ±30% 167mΩ SRU1028 Ferrite