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. 167-5729
Mfr. Part No.LQW18AN6N8C00D
BrandMurata
SGD0.082
Each (On a Reel of 4000)
units
6.8 nH 750mA 0603 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±0.2nH 82mΩ LQW18A -
RS Stock No. 782-3879
Mfr. Part No.7687714681
SGD4.12
Each
units
680 μH 550mA 1060 10mm - 10mm 6mm - 10 x 10 x 6mm Yes ±20% 2.25Ω WE-PDHV -
RS Stock No. 763-1412
BrandRS PRO
SGD0.113
Each (On a Reel of 1000)
units
820 nH 180mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 2.35Ω WL05 Ceramic
New
RS Stock No. 217-7308
Mfr. Part No.744383660082
SGD2.93
Each (On a Tape of 5)
units
0.82 μH 8.8A - 5.4mm - 5.4mm - - - No 20% - WE-MAPI SMT -
RS Stock No. 163-5159
Mfr. Part No.768775312
SGD2.29
Each (On a Reel of 500)
units
1.2 mH 280mA 7850 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 4.5Ω WE-PD2 -
RS Stock No. 181-5323
Mfr. Part No.VLS201610CX-R24M-1
BrandTDK
SGD0.43
Each (On a Reel of 250)
units
240 nH 4.35A SMD 2mm - 1.6mm 1mm - 2 x 1.6 x 1mm Yes ±20% 40mΩ VLS-CX-1 Ferrite
RS Stock No. 170-3205
Mfr. Part No.CLF10060NIT-3R3N-D
BrandTDK
SGD1.16
Each (On a Reel of 500)
units
3.3 μH 5.8 (Saturation) A, 8.1 (Temperature) A - 10.1mm - 10mm 6mm - 10.1 x 10 x 6mm Yes ±30% 8.5mΩ CLF-NI-D Ferrite
RS Stock No. 620-7415
Mfr. Part No.ETQP4LR36WFC
BrandPanasonic
SGD4.92
Each
units
360 nH 24A - 11.5mm - 10mm 4mm - 11.5 x 10 x 4mm - ±20% 1.1mΩ PCC-M104L Metal Composite
RS Stock No. 916-4251
Mfr. Part No.SPM6530T-3R3M
BrandTDK
SGD2.244
Each (In a Pack of 5)
units
3.3 μH 7.3A 6530 7.1mm - 6.5mm 3mm - 7.1 x 6.5 x 3mm Yes - 29.7mΩ SPM Metallic Magnetic
RS Stock No. 163-4087
Mfr. Part No.7443630700
SGD7.46
Each (On a Reel of 100)
units
7 μH 30A 2013 21.5mm - 21mm 14mm - 21.5 x 21 x 14mm Yes ±15% 5.61mΩ WE-HCF Ferrite
RS Stock No. 163-5458
Mfr. Part No.74404063022
SGD1.03
Each (On a Reel of 2000)
units
2.2 μH 3.75A 6028 6mm - 6mm 2.8mm - 6 x 6 x 2.8mm Yes ±30% 20mΩ WE-LQS -
RS Stock No. 169-9621
Mfr. Part No.DR125-330-R
SGD1.137
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. 770-1826
Mfr. Part No.DRA73-150-R
SGD3.744
Each (In a Bag of 5)
units
15 μH 2A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 94mΩ DRA Ferrite
RS Stock No. 786-6731
Mfr. Part No.LQH2MCN220M52L
BrandMurata
SGD0.563
Each (In a Bag of 10)
units
22 μH 130mA 0806 2mm - 1.6mm 0.65mm - 2 x 1.6 x 0.65mm - ±20% 7.15Ω LQH2MC_52 Ferrite
RS Stock No. 185-7946
Mfr. Part No.B82559A3152A016
BrandEPCOS
SGD3.46
Each (On a Reel of 240)
units
1.5 μH 37A SMD 17.3mm AEC-Q200 18.7mm 7.7mm - 17.3 x 18.7 x 7.7mm Yes ±10% 1.6mΩ B82559A016 Ferrite
RS Stock No. 812-0708
Mfr. Part No.3613C101K
SGD0.811
Each (In a Bag of 10)
units
100 μH 110mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 3613C Ferrite
RS Stock No. 180-9198
Mfr. Part No.TPI128080L230N
BrandKEMET
SGD5.625
Each (On a Reel of 700)
units
230 nH 64A SMD 12mm - 8mm 8.2mm - 12 x 8 x 8.2mm - ±10% 290µΩ TPI Ferrite
RS Stock No. 825-1868
Mfr. Part No.SRP4012TA-R36M
BrandBourns
SGD1.652
Each (In a Bag of 5)
units
360 nH 6.5A 4012 4.45mm AEC-Q200 4.06mm 1mm - 4.45 x 4.06 x 1mm Yes ±20% 18mΩ SRP4012TA Carbonyl Powder
RS Stock No. 181-4864
Mfr. Part No.VLS201610CX-100M-1
BrandTDK
SGD0.243
Each (On a Reel of 2000)
units
10 μH 620mA SMD 2mm - 1.6mm 1mm - 2 x 1.6 x 1mm Yes ±20% 730mΩ VLS-CX-1 Ferrite
RS Stock No. 741-9000
BrandRS PRO
SGD0.896
Each (In a Bag of 5)
units
220 μH 1.16A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 390mΩ - -