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. 819-3374
Mfr. Part No.SRP1238A-100M
BrandBourns
€0.492
Each (In a Bag of 5)
units
10 μH 7A 1238 13.5mm AEC-Q200 12.5mm 3.3mm - 13.5 x 12.5 x 3.3mm Yes ±20% 34mΩ SRP1238A Carbonyl Powder
RS Stock No. 173-1371
Mfr. Part No.IHLP2020CZER100M11
BrandVishay
€0.864
Each (On a Reel of 2000)
units
10 μH 2.75A 2020 5.49mm - 5.18mm 3mm - 5.49 x 5.18 x 3mm Yes ±20% 131.9mΩ IHLP Metal Composite
RS Stock No. 163-7987
Mfr. Part No.7447649168
€199.33
1 Reel of 1000
Reel(s)
68 μH 225mA 3225 2.9mm - 2.5mm 2.2mm - 2.9 x 2.5 x 2.2mm - - 8.45Ω WE-GFH Iron
RS Stock No. 166-9740
Mfr. Part No.LQP03TN3N9C02D
BrandMurata
€116.16
1 Reel of 15000
Reel(s)
3.9 nH 400mA 0603 (1608M) 0.6mm - 0.3mm 0.3mm - 0.6 x 0.3 x 0.3mm - ±0.2nH 300mΩ LQP03TN_02 Non-Magnetic Core
RS Stock No. 693-4356
Mfr. Part No.CM453232-4R7KL
BrandBourns
€0.29
Each (In a Pack of 10)
units
4.7 μH 315mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±10% CM45 Ferrite
RS Stock No. 170-3325
Mfr. Part No.VLS3015ET-4R7M
BrandTDK
€271.40
1 Reel of 2000
Reel(s)
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. 111-1024
Mfr. Part No.SLF6028T-101MR42-PF
BrandTDK
€0.332
Each (On a Reel of 1000)
units
100 μH 640mA 6028 6mm - 6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 430mΩ SLF -
RS Stock No. 737-3636
Mfr. Part No.744025100
€1.516
Each (In a Bag of 10)
units
10 μH 1.1A 2828 2.8mm - 2.8mm 2.8mm - 2.8 x 2.8 x 2.8mm Yes ±20% 190mΩ WE-TPC Ferrite
RS Stock No. 743-5197
Mfr. Part No.SRN8040-101M
BrandBourns
€0.507
Each (In a Bag of 10)
units
100 μH 1A 8040 8mm - 8mm 4mm - 8 x 8 x 4mm Yes ±20% 400mΩ SRN8040 Ferrite
RS Stock No. 106-5352
Mfr. Part No.LQP03TN3N9C02D
BrandMurata
€0.012
Each (In a Pack of 200)
units
3.9 nH 400mA 0603 (1608M) 0.6mm - 0.3mm 0.3mm - 0.6 x 0.3 x 0.3mm - ±0.2nH 300mΩ LQP03TN_02 Non-Magnetic Core
RS Stock No. 122-9186
Mfr. Part No.SRU1038-101Y
BrandBourns
€0.554
Each (In a Pack of 10)
units
100 μH 1.3A 7032 10mm - 10mm 3.8mm - 10 x 10 x 3.8mm Yes - 220mΩ SRU1038 Ferrite
RS Stock No. 108-4685
Mfr. Part No.VLCF4018T-470MR34-2
BrandTDK
€281.70
1 Reel of 1000
Reel(s)
47 μH 620mA - 4.3mm - 4mm 1.8mm - 4.3 x 4 x 1.8mm Yes ±20% 760mΩ VLCF -
RS Stock No. 749-8603
Mfr. Part No.ELL3FU100M
BrandPanasonic
€0.388
Each (In a Bag of 5)
units
10 μH 800mA ELL3FU 3mm - 3mm 1.2mm - 3 x 3 x 1.2mm Yes ±20% 300mΩ ELL3FU -
RS Stock No. 166-9798
Mfr. Part No.LQH32PN100MNCL
BrandMurata
€304.72
1 Reel of 2000
Reel(s)
10 μH 1A 3225 3.2mm - 2.5mm 1.55mm - 3.2 x 2.5 x 1.55mm Yes ±20% 295mΩ LQH32PN_NC Ferrite
RS Stock No. 167-8445
Mfr. Part No.B82442H1224K000
BrandEPCOS
€684.40
1 Reel of 1500
Reel(s)
220 μH 240mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm - ±10% 2.72Ω SIMID Ferrite
RS Stock No. 715-7099
Mfr. Part No.50475C
€1.13
Each
units
4.7 mH 400mA - 7mm - 5.9mm 3.6mm - 7 x 5.9 x 3.6mm - -30 → +50% 700mΩ 5000 -
RS Stock No. 106-5317
Mfr. Part No.LQH32PN100MNCL
BrandMurata
€0.382
Each (In a Pack of 20)
units
10 μH 1A 3225 3.2mm - 2.5mm 1.55mm - 3.2 x 2.5 x 1.55mm Yes ±20% 295mΩ LQH32PN_NC Ferrite
RS Stock No. 166-9804
Mfr. Part No.LQW2BAS10NJ00L
BrandMurata
€138.11
1 Reel of 2000
Reel(s)
10 nH 600mA 2015 2.09mm - 1.53mm 1.42mm - 2.09 x 1.53 x 1.42mm - ±5% 100mΩ LQW2BAS_00 Non-Magnetic Core
RS Stock No. 163-4649
Mfr. Part No.7447713102
€1,454.74
1 Reel of 1000
Reel(s)
1 mH 300mA - 10mm - 10mm 3mm - 10 x 10 x 3mm Yes ±20% 4.6Ω WE-PD -
RS Stock No. 172-9827
Mfr. Part No.SRP1238A-100M
BrandBourns
€0.484
Each (On a Reel of 500)
units
10 μH 7A 1238 13.5mm AEC-Q200 12.5mm 3.3mm - 13.5 x 12.5 x 3.3mm Yes ±20% 34mΩ SRP1238A Carbonyl Powder
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