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. 169-9642
Mfr. Part No.DR127-6R8-R
MYR4.52
Each (On a Reel of 350)
units
6.8 μH 13.3A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 11.6mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1050
Mfr. Part No.DR127-6R8-R
MYR8.286
Each (In a Bag of 5)
units
6.8 μH 13.3A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 11.6mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-0962
Mfr. Part No.DR125-330-R
MYR3.804
Each (In a Bag of 5)
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. 169-9621
Mfr. Part No.DR125-330-R
MYR3.972
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. 770-1072
Mfr. Part No.DR73-101-R
MYR5.222
Each (In a Bag of 5)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9686
Mfr. Part No.DRA125-820-R
MYR5.273
Each (On a Reel of 600)
units
82 μH 2.406A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 135mΩ DRA Ferrite
RS Stock No. 169-9648
Mfr. Part No.DR73-101-R
MYR3.687
Each (On a Reel of 1350)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1725
Mfr. Part No.DRA125-820-R
MYR8.084
Each (In a Bag of 5)
units
82 μH 2.406A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 135mΩ DRA Ferrite
RS Stock No. 169-9644
Mfr. Part No.DR127-681-R
MYR4.52
Each (On a Reel of 350)
units
680 μH 1.39A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.08Ω DR73/74/125/127 Ferrite
RS Stock No. 770-1094
Mfr. Part No.DR73-220-R
MYR5.084
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% 107mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-0362
Mfr. Part No.DRQ73-101-R
MYR4.622
Each (In a Bag of 5)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 2.11Ω DRQ Ferrite
RS Stock No. 169-9639
Mfr. Part No.DR127-3R3-R
MYR4.52
Each (On a Reel of 350)
units
3.3 μH 21.5A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 5.67mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9706
Mfr. Part No.DRA73-221-R
MYR4.741
Each (On a Reel of 1350)
units
220 μH 510mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 1.23Ω DRA Ferrite
RS Stock No. 169-9572
Mfr. Part No.DRQ73-101-R
MYR4.214
Each (On a Reel of 1350)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 2.11Ω DRQ Ferrite
RS Stock No. 770-1056
Mfr. Part No.DR127-681-R
MYR7.208
Each (In a Bag of 5)
units
680 μH 1.39A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.08Ω DR73/74/125/127 Ferrite
RS Stock No. 770-1038
Mfr. Part No.DR127-3R3-R
MYR4.22
Each (In a Bag of 5)
units
3.3 μH 21.5A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 5.67mΩ DR73/74/125/127 Ferrite
RS Stock No. 169-9650
Mfr. Part No.DR73-220-R
MYR3.687
Each (On a Reel of 1350)
units
22 μH 1.67A 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 107mΩ DR73/74/125/127 Ferrite
RS Stock No. 770-1845
Mfr. Part No.DRA73-221-R
MYR4.69
Each (In a Bag of 5)
units
220 μH 510mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 1.23Ω DRA Ferrite
RS Stock No. 169-9586
Mfr. Part No.FP3-4R7-R
MYR5.215
Each (On a Reel of 1700)
units
4.7 μH 4.2A FP3 7.25mm - 6.7mm 3mm - 7.25 x 6.7 x 3mm - ±15% 40mΩ Flat-Pac 3 Composite Iron Powder
RS Stock No. 169-9587
Mfr. Part No.FP1007R1-R30-R
MYR4.972
Each (On a Reel of 700)
units
216 nH 32A 1007 10.2mm - 7.8mm 6.8mm - 10.2 x 7.8 x 6.8mm - ±10% 290µΩ FP1007 Ferrite