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. 173-1488
Mfr. Part No.IHCL4040DZER2R2M5A
BrandVishay
SGD2.00
Each (On a Reel of 500)
units
2.2 μH 8.4A 4040 10.67mm - 10.16mm 4mm - 10.67 x 10.16 x 4mm Yes ±20% 17.5mΩ IHCL Metal Composite
RS Stock No. 163-5106
Mfr. Part No.7447785006
SGD2.44
Each (On a Reel of 1000)
units
6.8 μH 2.3A 6033 5.9mm - 6.2mm 3.3mm - 5.9 x 6.2 x 3.3mm Yes ±25% 100mΩ WE-PD -
RS Stock No. 181-5227
Mfr. Part No.SLF10165T-6R8N4R33PF
BrandTDK
SGD1.529
Each (On a Tape of 20)
units
6.8 μH 4.6A SMD 10.1mm - 10.1mm 6.5mm - 10.1 x 10.1 x 6.5mm Yes ±30% 14mΩ SLF Ferrite
RS Stock No. 715-7096
Mfr. Part No.50225C
SGD1.78
Each
units
2.2 mH 500mA - 7mm - 5.9mm 3.6mm - 7 x 5.9 x 3.6mm - -30 → +50% 400mΩ 5000 -
RS Stock No. 180-8957
Mfr. Part No.SRR6038-470Y
BrandBourns
SGD0.585
Each (On a Reel of 100)
units
47 μH 950mA SMD 6.8mm - 6.8mm 3.8mm - 6.8 x 6.8 x 3.8mm Yes ±30% 155mΩ SRR6038 Ferrite
RS Stock No. 181-9739
Mfr. Part No.SRF1010DA-150M
BrandBourns
SGD1.88
Each (On a Reel of 300)
units
15 μH 4.6A - 12mm AEC-Q200 9.6mm 11.3mm - 12 x 9.6 x 11.3mm Yes ±20% 45.5mΩ SRF1010DA Metal Alloy Powder
RS Stock No. 744-4731
Mfr. Part No.744031330
SGD2.296
Each (In a Bag of 5)
units
33 μH 420mA 3816 3.8mm - 3.8mm 1.65mm - 3.8 x 3.8 x 1.65mm Yes ±30% 660mΩ WE-TPC Ferrite
RS Stock No. 135-5848
Mfr. Part No.SRN3015TA-330M
BrandBourns
SGD0.552
Each (In a Pack of 25)
units
33 μH 450mA - 3mm AEC-Q200 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 800mΩ SRN3015TA Ferrite
RS Stock No. 785-5125
Mfr. Part No.LQW15AN4N3B00D
BrandMurata
SGD0.258
Each (In a Bag of 10)
units
4.3 nH 750mA 0402 (1005M) 1mm - 0.6mm 0.5mm - 1 x 0.6 x 0.5mm - ±0.1nH 70mΩ LQW15A Ferrite
RS Stock No. 547-4759
Mfr. Part No.ACM2520-601-2P-T
BrandTDK
SGD2.00
Each
units
- 300mA 2520 2.5mm - 2mm 1.2mm - 2.5 x 2 x 1.2mm - - 450mΩ ACM -
RS Stock No. 167-4888
Mfr. Part No.LQW15AN6N8G00D
BrandMurata
SGD0.085
Each (On a Reel of 10000)
units
6.8 nH 700mA 0402 (1005M) 1mm - 0.6mm 0.5mm - 1 x 0.6 x 0.5mm - ±2% 90mΩ LQW15A Ferrite
RS Stock No. 104-8455
Mfr. Part No.37392C
SGD2.83
Each (In a Pack of 5)
units
3.9 μH 10A - 14.5mm - 11.5mm 6.8mm - 14.5 x 11.5 x 6.8mm - ±10% 4.2mΩ 3700 -
RS Stock No. 816-4893
Mfr. Part No.744290321
SGD6.91
Each
units
240 nH 3.25A - 14mm - 12.5mm 7.8mm - 14 x 12.5 x 7.8mm Yes ±30% 29mΩ WE-UCF Ferrite
RS Stock No. 124-6638
Mfr. Part No.74439369056
SGD7.32
Each (In a Pack of 2)
units
5.6 μH 11.5A 1090 11.6mm - 10.5mm 7.9mm - 11.6 x 10.5 x 7.9mm Yes ±20% 6.4mΩ WE-XHMI -
RS Stock No. 162-0284
Mfr. Part No.B82472G4472M000
BrandEPCOS
SGD0.762
Each (On a Reel of 1000)
units
4.7 μH 2.3A - 7.3mm - 7.3mm 3.3mm - 7.3 x 7.3 x 3.3mm Yes ±20% 43mΩ B82472-G4 Ferrite
RS Stock No. 748-6690
Mfr. Part No.IHLP1212BZER1R0M11
BrandVishay
SGD2.28
Each (In a Bag of 5)
units
1 μH 5A 1212 3.6mm - 3mm 2mm - 3.6 x 3 x 2mm Yes ±20% 24mΩ IHLP-1212BZ-11 Metal Composite
RS Stock No. 163-5003
Mfr. Part No.744760256A
SGD0.414
Each (On a Reel of 2000)
units
560 nH 450mA 0805 (2012M) 2mm - 1.25mm 1.2mm - 2 x 1.25 x 1.2mm Yes ±5% 1.1Ω WE-RFI Ferrite
RS Stock No. 162-1421
BrandRS PRO
SGD6.229
Each (On a Reel of 200)
units
22 μH 9.5A - 17.85mm - 17.15mm 6.8mm - 17.15 x 17.15 x 6.8mm Yes ±20% 23mΩ - Ferrite
RS Stock No. 740-9410
BrandRS PRO
SGD6.90
1 Bag of 20
Bag(s)
33 μH 700mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 600mΩ - -
RS Stock No. 105-934
Mfr. Part No.LQG15HS1N0S02D
BrandMurata
SGD0.062
Each (In a Bag of 250)
units
1 nH 300mA 0402 (1005M) 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±0.3nH 70mΩ LQG15HS -