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. 169-9688
Mfr. Part No.DRA127-100-R
kr 10,887
Each (On a Reel of 350)
Units
10 μH 11.2A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 17mΩ DRA Ferrite
RS Stock No. 770-1735
Mfr. Part No.DRA127-100-R
kr 11,386
Each (In a Bag of 5)
Units
10 μH 11.2A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 17mΩ DRA Ferrite
RS Stock No. 770-1034
Mfr. Part No.DR127-331-R
kr 10,986
Each (In a Bag of 5)
Units
330 μH 2.01A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 574mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9638
Mfr. Part No.DR127-331-R
kr 8,554
Each (On a Reel of 350)
Units
330 μH 2.01A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 574mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1003
Mfr. Part No.DR127-101-R
kr 10,448
Each (In a Bag of 5)
Units
100 μH 3.64A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 163mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1025
Mfr. Part No.DR127-220-R
kr 10,986
Each (In a Bag of 5)
Units
22 μH 7.57A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 39.1mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9635
Mfr. Part No.DR127-220-R
kr 8,554
Each (On a Reel of 350)
Units
22 μH 7.57A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 39.1mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9640
Mfr. Part No.DR127-4R7-R
kr 8,554
Each (On a Reel of 350)
Units
4.7 μH 16.5A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 9.17mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1044
Mfr. Part No.DR127-4R7-R
kr 8,774
Each (In a Bag of 5)
Units
4.7 μH 16.5A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 9.17mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9631
Mfr. Part No.DR127-101-R
kr 8,554
Each (On a Reel of 350)
Units
100 μH 3.64A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 163mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-0845
Mfr. Part No.DR1050-180-R
kr 8,216
Each (In a Bag of 5)
Units
18 μH 3.3A 1050 10.3mm - 10.5mm 5mm - 10.3 x 10.5 x 5mm Yes ±30% 41mΩ DR1050 Ferrite
RS Stock No. 770-2598
Mfr. Part No.HCF1305-1R0-R
kr 17,088
Each (In a Bag of 5)
Units
1 μH 24A 1305 12.5mm - 12.5mm 5mm - 12.5 x 12.5 x 5mm - ±20% 1.9mΩ HCF1305 Ferrite
RS Stock No. 770-1145
Mfr. Part No.DR74-151-R
kr 7,578
Each (In a Bag of 5)
Units
150 μH 810mA 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 591mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-0978
Mfr. Part No.DR125-470-R
kr 7,816
Each (In a Bag of 5)
Units
47 μH 3.24A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 74mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-0372
Mfr. Part No.DRQ73-220-R
kr 7,578
Each (In a Bag of 5)
Units
22 μH 1.67A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 429mΩ DRQ Ferrite
RS Stock No. 770-1135
Mfr. Part No.DR74-100-R
kr 7,578
Each (In a Bag of 5)
Units
10 μH 3.17A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 48.9mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1729
Mfr. Part No.DRA125-821-R
kr 5,376
Each (In a Bag of 5)
Units
820 μH 758mA 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 1.36Ω DRA Ferrite
RS Stock No. 169-9677
Mfr. Part No.DRA124-680-R
kr 11,90
Each (On a Reel of 750)
Units
68 μH 2.369A 0124 12.5mm - 12.5mm 4.5mm - 12.5 x 12.5 x 4.5mm Yes ±20% 201mΩ DRA Ferrite
RS Stock No. 770-1836
Mfr. Part No.DRA73-220-R
kr 16,57
Each (In a Bag of 5)
Units
22 μH 1.64A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 141mΩ DRA Ferrite
RS Stock No. 770-1930
Mfr. Part No.DRA74-3R3-R
kr 14,756
Each (In a Bag of 5)
Units
3.3 μH 5.41A 74 7.6mm - 7.6mm 4.35mm - 7.6 x 7.6 x 4.35mm Yes ±20% 16mΩ DRA Ferrite