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. 173-0647
Mfr. Part No.IHLP6767GZER3R3M01
BrandVishay
SGD4.047
Each (On a Reel of 200)
units
3.3 μH 28A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 3.88mΩ IHLP Metal Composite
RS Stock No. 123-3158
Mfr. Part No.SPM4020T-1R5M-LR
BrandTDK
SGD1.73
Each (In a Pack of 10)
units
1.5 μH 4.7A 4020 4.4mm - 4.1mm 2mm - 4.4 x 4.1 x 2mm Yes - 39.9mΩ SPM-LR Metal
RS Stock No. 469-2833
Mfr. Part No.LQH31MN1R0K03L
BrandMurata
SGD1.143
Each (In a Pack of 20)
units
1 μH 175mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±10% 490mΩ LQH31MN -
RS Stock No. 167-5877
Mfr. Part No.LQH31CN100K03L
BrandMurata
SGD0.403
Each (On a Reel of 2000)
units
10 μH 230mA 1206 (3216M) - - - - - 3.2 x 1.6 x 1.8mm - ±10% 1.3Ω LQH31C -
RS Stock No. 145-3499
Mfr. Part No.DFE201610E-2R2M=P2
BrandMurata
SGD0.544
Each (In a Pack of 20)
units
2.2 μH 2.4A 2016 2mm - 1.6mm 1mm - 2 x 1.6 x 1mm Yes ±20% 140mΩ DFE201610E Metal Alloy
RS Stock No. 135-4798
Mfr. Part No.74404086103
SGD1.74
Each (In a Pack of 5)
units
10 mH 130mA 8065 8mm - 8mm 6.5mm - 8 x 8 x 6.5mm Yes ±20% 22.8Ω WE-LQS -
RS Stock No. 770-9410
Mfr. Part No.ETQP5M4R7YFC
BrandPanasonic
SGD2.58
Each
units
4.7 μH 13.1A PCC-M 10.7mm - 10mm 5.4mm - 10.7 x 10 x 5.4mm - ±20% 11.3mΩ ETQP5M Metal Composite
RS Stock No. 163-3625
Mfr. Part No.744066221
SGD1.858
Each (On a Reel of 800)
units
220 μH 750mA 1038 10mm - 10mm 3.8mm - 10 x 10 x 3.8mm Yes ±30% 740mΩ WE-TPC Ferrite
RS Stock No. 747-4877
Mfr. Part No.LQH44PN470MJ0L
BrandMurata
SGD0.59
Each (In a Bag of 10)
units
47 μH 380mA 1515 4mm - 4mm 1.1mm - 4 x 4 x 1.1mm Yes ±20% 1.014Ω LQH44P_P0 -
RS Stock No. 173-3822
Mfr. Part No.IHLP5050FDER3R3M01
BrandVishay
SGD3.322
Each (On a Reel of 250)
units
3.3 μH 18A 5050 13.2mm - 12.9mm 6.5mm - 13.2 x 12.9 x 6.5mm Yes ±20% 6.8mΩ IHLP Metal Composite
RS Stock No. 333-8673
Mfr. Part No.74477620
SGD3.67
Each
units
100 μH 1.02A - 9mm - 10mm 5.4mm - 9 x 10 x 5.4mm No ±10% 350mΩ WE-PD2 Ferrite
RS Stock No. 185-7703
Mfr. Part No.NLFV32T-680K-EF
BrandTDK
SGD0.211
Each (On a Reel of 2000)
units
68 μH 70mA SMD 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm Yes ±10% 1.3Ω NLFV-EF Ferrite
RS Stock No. 163-7809
Mfr. Part No.74404042331
SGD0.879
Each (On a Reel of 3000)
units
330 μH 200mA 4018 4mm - 4mm 1.8mm - 4 x 4 x 1.8mm Yes - 5.3Ω WE-LQS -
RS Stock No. 785-9212
Mfr. Part No.LQP18MN39NG02D
BrandMurata
SGD0.442
Each (In a Bag of 10)
units
39 nH 100mA 0603 (1608M) 1.6mm - 0.8mm 0.5mm - 1.6 x 0.8 x 0.5mm - ±2% 2.8Ω LQW18F Ferrite
RS Stock No. 162-0218
Mfr. Part No.B82442A1224K000
BrandEPCOS
SGD1.02
Each (On a Reel of 1500)
units
220 μH 170mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm Yes ±10% 2.72Ω SIMID Ferrite
RS Stock No. 163-5108
Mfr. Part No.7447785122
SGD2.44
Each (On a Reel of 1000)
units
22 μH 1.35A 6033 5.9mm - 6.2mm 3.3mm - 5.9 x 6.2 x 3.3mm Yes ±25% 250mΩ - -
RS Stock No. 124-7824
Mfr. Part No.CLF7045NIT-151M-D
BrandTDK
SGD1.54
Each (In a Pack of 10)
units
150 μH 690 (Saturation) mA, 950 (Temperature) mA - 7.4mm - 7mm 4.5mm - 7.4 x 7 x 4.5mm Yes ±20% 430mΩ CLF-NI-D Ferrite
RS Stock No. 163-3597
Mfr. Part No.744053002
SGD1.386
Each (On a Reel of 400)
units
2.6 μH 3mA 5828 5.8mm - 5.8mm 2.8mm - 5.8 x 5.8 x 2.8mm Yes ±30% 30mΩ WE-TPC Ferrite
RS Stock No. 614-2863
Mfr. Part No.VLCF5020T-220MR75-1
BrandTDK
SGD1.324
Each (In a Pack of 5)
units
22 μH 1A - 5.3mm - 5mm 2mm - 5.3 x 5 x 2mm Yes ±20% 496mΩ VLCF -
RS Stock No. 899-7233
Mfr. Part No.744766910
SGD0.58
Each (In a Bag of 10)
units
10 μH 825mA 4532 4.2mm - 3.2mm 3.2mm - 4.2 x 3.2 x 3.2mm - - 420mΩ WE-GFH Iron