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. 741-9066
BrandRS PRO
$0.556
Each (In a Bag of 5)
units
6.8 μH 1.12A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 109mΩ NPIS43D -
RS Stock No. 124-5584
BrandRS PRO
$0.613
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. 169-3420
BrandRS PRO
$887.73
Each (On a Reel of 2000)
units
10 μH 300mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 572mΩ - -
RS Stock No. 740-9505
BrandRS PRO
$1.44
Each (In a Bag of 5)
units
68 μH 3.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 130mΩ - -
RS Stock No. 169-3711
BrandRS PRO
$488.25
Each (On a Reel of 2000)
units
4.7 μH 1.9A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 80mΩ - -
RS Stock No. 169-3734
BrandRS PRO
$433.51
Each (On a Reel of 1500)
units
120 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 750mΩ - -
RS Stock No. 124-5570
BrandRS PRO
$0.834
Each (In a Pack of 10)
units
±22 μH 800mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm - - 370mΩ - -
RS Stock No. 169-3706
BrandRS PRO
$0.643
Each (On a Reel of 500)
units
33 μH 2.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 100mΩ - -
RS Stock No. 169-3764
BrandRS PRO
$0.671
Each (On a Reel of 400)
units
15 μH 4.5A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 27mΩ - -
RS Stock No. 169-3780
BrandRS PRO
$0.61
Each (On a Reel of 2500)
units
12 μH 840mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 132mΩ NPIS43D -
RS Stock No. 169-3456
BrandRS PRO
$643.11
Each (On a Reel of 2000)
units
- 300mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 400mΩ - Ferrite
RS Stock No. 741-9117
BrandRS PRO
$0.50
Each (In a Bag of 5)
units
120 μH 270mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 1.27Ω NPIS43D -
RS Stock No. 169-3478
BrandRS PRO
$0.50
Each (On a Reel of 750)
units
680 μH 520mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.599Ω - -
RS Stock No. 173-0205
BrandRS PRO
$30.626
Each (In a Box of 300)
units
220 μH 940mA - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 298mΩ LCP -
RS Stock No. 169-3759
BrandRS PRO
$0.671
Each (On a Reel of 600)
units
220 μH 800mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 400mΩ - -
RS Stock No. 124-5585
BrandRS PRO
$0.613
Each (In a Pack of 20)
units
560 μH 730mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 1.07Ω - -
RS Stock No. 124-5593
BrandRS PRO
$0.329
Each (In a Pack of 50)
units
- - 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - - - Ferrite
RS Stock No. 169-3417
BrandRS PRO
$1.036
Each (On a Reel of 1000)
units
1 μH 11A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 10mΩ - Ferrite
RS Stock No. 740-9331
BrandRS PRO
$0.525
Each (In a Bag of 10)
units
100 μH 1.3A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 280mΩ - -
RS Stock No. 740-9325
BrandRS PRO
$0.621
Each (In a Bag of 10)
units
33 μH 2.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 100mΩ - -
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