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. 123-4653
BrandRS PRO
$1.022
Each (In a Pack of 10)
units
2.2 μH 8A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 20mΩ - Ferrite
RS Stock No. 741-9202
BrandRS PRO
$0.422
Each (In a Bag of 5)
units
10 μH 2A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 38mΩ NPIS64D -
RS Stock No. 740-9659
BrandRS PRO
$0.26
Each (In a Bag of 10)
units
22 μH 1.5A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 110mΩ - -
RS Stock No. 169-3790
BrandRS PRO
$0.642
Each (On a Reel of 1000)
units
10 μH 2A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 38mΩ NPIS64D -
RS Stock No. 763-1314
BrandRS PRO
$0.076
Each (On a Reel of 1000)
units
27 nH 600mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 220mΩ WL03 Ceramic
RS Stock No. 124-5576
BrandRS PRO
$0.506
Each (In a Pack of 20)
units
±220 μH 800mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 610mΩ - -
RS Stock No. 740-9407
BrandRS PRO
$0.362
Each (In a Bag of 20)
units
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 741-9038
BrandRS PRO
$0.904
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. 104-8411
BrandRS PRO
$3.168
Each (In a Pack of 5)
units
22 μH 3A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 38mΩ LCP -
RS Stock No. 124-5615
BrandRS PRO
$0.446
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. 124-5572
BrandRS PRO
$0.506
Each (In a Pack of 20)
units
±1.5 μH 6.4A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 10mΩ - -
RS Stock No. 169-3715
BrandRS PRO
$488.25
Each (On a Reel of 2000)
units
22 μH 800mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 350mΩ - -
RS Stock No. 169-3776
BrandRS PRO
$0.671
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. 169-3739
BrandRS PRO
$0.36
Each (On a Reel of 1000)
units
22 μH 1.5A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 110mΩ - -
RS Stock No. 740-9704
BrandRS PRO
$0.449
Each (In a Bag of 10)
units
470 μH 340mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 1.96Ω - -
RS Stock No. 169-3480
BrandRS PRO
$0.50
Each (On a Reel of 750)
units
1 mH 480mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.989Ω - -
RS Stock No. 169-3436
BrandRS PRO
$0.643
Each (On a Reel of 500)
units
±150 μH 1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 400mΩ - -
RS Stock No. 169-3418
BrandRS PRO
$1.036
Each (On a Reel of 1000)
units
2.2 μH 8A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 20mΩ - Ferrite
RS Stock No. 741-8880
BrandRS PRO
$0.58
Each (In a Bag of 5)
units
68 μH 1.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 120mΩ - -
RS Stock No. 124-5607
BrandRS PRO
$0.39
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 - -
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