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. 740-9362
BrandRS PRO
€0.17
Each (In a Bag of 20)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 169-3709
BrandRS PRO
€0.129
Each (On a Reel of 2000)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 169-3469
BrandRS PRO
€0.229
Each (On a Reel of 1000)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 124-5584
BrandRS PRO
€0.288
Each (In a Pack of 20)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 169-3795
BrandRS PRO
€0.349
Each (On a Reel of 1000)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 124-5581
BrandRS PRO
€0.541
Each (In a Pack of 20)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 169-3442
BrandRS PRO
€0.295
Each (On a Reel of 600)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 169-3446
BrandRS PRO
€0.285
Each (On a Reel of 400)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 124-5607
BrandRS PRO
€0.28
Each (In a Pack of 25)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 741-9265
BrandRS PRO
€0.402
Each (In a Bag of 5)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 169-3717
BrandRS PRO
€0.129
Each (On a Reel of 2000)
units
330 μH 140mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% - -
RS Stock No. 124-5612
BrandRS PRO
€0.416
Each (In a Pack of 25)
units
100 μH 350mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 253mΩ - -
RS Stock No. 763-1428
BrandRS PRO
€0.032
Each (On a Reel of 1000)
units
1.5 nH 700mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 250mΩ AL Ceramic
RS Stock No. 169-3788
BrandRS PRO
€0.226
Each (On a Reel of 2500)
units
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
RS Stock No. 169-3729
BrandRS PRO
€0.226
Each (On a Reel of 1500)
units
3.3 μH 2.5A 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±20% 40mΩ - -
RS Stock No. 169-3719
BrandRS PRO
€0.412
Each (On a Reel of 250)
units
10 μH 4.3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 31mΩ - -
RS Stock No. 169-3474
BrandRS PRO
€0.377
Each (On a Reel of 750)
units
22 μH 2.95A 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 61mΩ - -
RS Stock No. 162-1405
BrandRS PRO
€0.493
Each (On a Reel of 250)
units
22 μH 4.95A - 12mm - 12.5mm 10mm - 12 x 12 x 10mm Yes ±20% 29mΩ - -
RS Stock No. 124-5613
BrandRS PRO
€0.416
Each (In a Pack of 25)
units
220 μH 940mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 500mΩ - -
RS Stock No. 763-1430
BrandRS PRO
€0.032
Each (On a Reel of 1000)
units
3.3 nH 380mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 450mΩ AL Ceramic
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