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. 741-9038
BrandRS PRO
MYR2.268
Each (In a Bag of 5)
units
1 mH 550mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.82Ω - -
RS Stock No. 169-3776
BrandRS PRO
MYR2.026
Each (On a Reel of 400)
units
1 mH 550mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.82Ω - -
RS Stock No. 169-3700
BrandRS PRO
MYR2.598
Each (On a Reel of 2500)
units
470 μH 160mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 6.78Ω - -
RS Stock No. 124-5615
BrandRS PRO
MYR1.769
Each (In a Pack of 25)
units
330 μH 750mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 812mΩ - -
RS Stock No. 169-3477
BrandRS PRO
MYR1.522
Each (On a Reel of 750)
units
330 μH 750mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 812mΩ - -
RS Stock No. 169-3737
BrandRS PRO
MYR0.873
Each (On a Reel of 1500)
units
220 μH 400mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 1.2Ω - -
RS Stock No. 740-9619
BrandRS PRO
MYR1.491
Each (In a Bag of 20)
units
220 μH 400mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 1.2Ω - -
RS Stock No. 740-9353
BrandRS PRO
MYR30.62
1 Bag of 10
Bag(s)
1 mH 300mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% - -
RS Stock No. 740-9280
BrandRS PRO
MYR21.34
1 Bag of 5
Bag(s)
470 μH 160mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 6.78Ω - -
RS Stock No. 162-1418
BrandRS PRO
MYR2.777
Each (On a Reel of 500)
units
1 mH 300mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% - -
RS Stock No. 740-9407
BrandRS PRO
MYR25.35
1 Bag of 20
Bag(s)
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 169-3694
BrandRS PRO
MYR2.598
Each (On a Reel of 2500)
units
1.5 μH 2.8A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 50mΩ - -
RS Stock No. 763-1342
BrandRS PRO
MYR0.351
Each (On a Reel of 1000)
units
180 nH 250mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 1.4Ω WL03 Ceramic
RS Stock No. 740-9410
BrandRS PRO
MYR21.68
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. 740-9312
BrandRS PRO
MYR30.62
1 Bag of 10
Bag(s)
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 169-3422
BrandRS PRO
MYR2.975
Each (On a Reel of 1000)
units
100 μH 600mA - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 610mΩ - -
RS Stock No. 169-3709
BrandRS PRO
MYR0.743
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. 169-3454
BrandRS PRO
MYR0.979
Each (On a Reel of 2000)
units
- - 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - - - Ferrite
RS Stock No. 124-5587
BrandRS PRO
MYR5.323
Each (In a Pack of 10)
units
100 μH 2.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 126mΩ - -
RS Stock No. 169-3736
BrandRS PRO
MYR1.303
Each (On a Reel of 1500)
units
100 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 700mΩ - -
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