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. 748-6915
Mfr. Part No.IHLP2020CZER4R7M01
BrandVishay
HK$16.83
Each (In a Bag of 5)
units
4.7 μH 3.5A 2020 5.49mm - 5.18mm 3mm - 5.49 x 5.18 x 3mm Yes ±20% 77.5mΩ IHLP-2020AB-01 Metal Composite
RS Stock No. 748-7631
Mfr. Part No.IHLP6767GZER101M11
BrandVishay
HK$50.14
Each
units
100 μH 5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 110mΩ IHLP-6767GZ-11 Metal Composite
RS Stock No. 173-0462
Mfr. Part No.IHLP2020CZER4R7M01
BrandVishay
HK$6.11
Each (On a Reel of 2000)
units
4.7 μH 3.5A 2020 5.49mm - 5.18mm 3mm - 5.49 x 5.18 x 3mm Yes ±20% 77.5mΩ IHLP Metal Composite
RS Stock No. 173-3886
Mfr. Part No.IHLP6767GZER101M11
BrandVishay
HK$26.083
Each (On a Reel of 200)
units
100 μH 5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 110mΩ IHLP Metal Composite
RS Stock No. 173-0649
Mfr. Part No.IHLP6767GZER150M01
BrandVishay
HK$25.67
Each (On a Reel of 200)
units
15 μH 12.5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 19.9mΩ IHLP Metal Composite
RS Stock No. 748-7564
Mfr. Part No.IHLP6767GZER150M01
BrandVishay
HK$51.64
Each
units
15 μH 12.5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 19.9mΩ IHLP-6767GZ-01 Metal Composite
RS Stock No. 173-2772
Mfr. Part No.IHLP4040DZER101M11
BrandVishay
HK$11.30
Each (On a Reel of 500)
units
100 μH 2.5A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% 270mΩ IHLP Metal Composite
RS Stock No. 748-7274
Mfr. Part No.IHLP4040DZER101M11
BrandVishay
HK$29.53
Each (In a Bag of 5)
units
100 μH 2.5A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% 270mΩ IHLP-4040DZ-11 Metal Composite
RS Stock No. 173-3884
Mfr. Part No.IHLP6767GZER470M11
BrandVishay
HK$24.96
Each (On a Reel of 200)
units
47 μH 8.7A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 42.7mΩ IHLP Metal Composite
RS Stock No. 173-3712
Mfr. Part No.IHLP2525CZER220M11
BrandVishay
HK$5.64
Each (On a Reel of 2000)
units
22 μH 2.9A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 135mΩ IHLP Metal Composite
RS Stock No. 748-7621
Mfr. Part No.IHLP6767GZER470M11
BrandVishay
HK$50.14
Each
units
47 μH 8.7A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 42.7mΩ IHLP-6767GZ-11 Metal Composite
RS Stock No. 748-7628
Mfr. Part No.IHLP6767GZER330M11
BrandVishay
HK$51.64
Each
units
33 μH 10.7A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 37mΩ IHLP-6767GZ-11 Metal Composite
RS Stock No. 173-1445
Mfr. Part No.IHLP4040DZERR56M01
BrandVishay
HK$9.854
Each (On a Reel of 500)
units
560 nH 27.5A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% 1.8mΩ IHLP Metal Composite
RS Stock No. 748-7132
Mfr. Part No.IHLP2525CZER220M11
BrandVishay
HK$14.986
Each (In a Bag of 5)
units
22 μH 2.9A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 135mΩ IHLP Metal Composite
RS Stock No. 173-1401
Mfr. Part No.IHLP1616ABER2R2M11
BrandVishay
HK$6.43
Each (On a Reel of 4000)
units
2.2 μH 2.75A 1616 4.45mm - 4.06mm 1.2mm - 4.45 x 4.06 x 1.2mm Yes ±20% 83.5mΩ IHLP Metal Composite
RS Stock No. 173-3885
Mfr. Part No.IHLP6767GZER330M11
BrandVishay
HK$26.083
Each (On a Reel of 200)
units
33 μH 10.7A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 37mΩ IHLP Metal Composite
RS Stock No. 173-1423
Mfr. Part No.IHLP1212BZER2R2M11
BrandVishay
HK$5.633
Each (On a Reel of 3000)
units
2.2 μH 3A 1212 3.6mm - 3mm 2mm - 3.6 x 3 x 2mm Yes ±20% 46mΩ IHLP Metal Composite
RS Stock No. 748-7265
Mfr. Part No.IHLP4040DZER470M11
BrandVishay
HK$25.914
Each (In a Bag of 5)
units
47 μH 3.3A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% 145mΩ IHLP Metal Composite
RS Stock No. 172-7730
Mfr. Part No.IHLP4040DZER470M11
BrandVishay
HK$11.721
Each (On a Reel of 500)
units
47 μH 3.3A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% - IHLP Metal Composite
RS Stock No. 748-7552
Mfr. Part No.IHLP6767GZER8R2M01
BrandVishay
HK$53.65
Each
units
8.2 μH 18A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 10.66mΩ IHLP-6767GZ-01 Metal Composite