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. 740-9508
BrandRS PRO
€0.932
Each (In a Bag of 5)
units
100 μH 3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 190mΩ - -
RS Stock No. 169-3767
BrandRS PRO
€0.343
Each (On a Reel of 400)
units
33 μH 3A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 65mΩ - -
RS Stock No. 124-5585
BrandRS PRO
€0.361
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. 169-3449
BrandRS PRO
€1.124
Each (On a Reel of 250)
units
100 μH 2.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 126mΩ - -
RS Stock No. 763-1386
BrandRS PRO
€0.06
Each (On a Reel of 1000)
units
82 nH 400mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 420mΩ WL05 Ceramic
RS Stock No. 741-9117
BrandRS PRO
€0.154
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. 162-1407
BrandRS PRO
€0.364
Each (On a Reel of 250)
units
68 μH 2.85A - 12mm - 12.5mm 10mm - 12 x 12 x 10mm Yes ±20% 93mΩ - -
RS Stock No. 741-9072
BrandRS PRO
€0.154
Each (In a Bag of 5)
units
12 μH 840mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 132mΩ NPIS43D -
RS Stock No. 741-9044
BrandRS PRO
€0.296
Each (In a Bag of 5)
units
2.2 μH 2.04A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 31mΩ NPIS43D -
RS Stock No. 740-9693
BrandRS PRO
€0.316
Each (In a Bag of 10)
units
220 μH 490mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 960mΩ - -
RS Stock No. 740-9662
BrandRS PRO
€0.099
Each (In a Bag of 10)
units
33 μH 1.2A 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±20% 130mΩ - -
RS Stock No. 104-8411
BrandRS PRO
€1.058
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. 104-8413
BrandRS PRO
€1.435
Each (In a Pack of 2)
units
220 μH 940mA - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 298mΩ LCP -
RS Stock No. 169-3717
BrandRS PRO
€0.128
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. 124-5576
BrandRS PRO
€0.37
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. 169-3468
BrandRS PRO
€0.34
Each (On a Reel of 1000)
units
15 μH 3.1A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 80mΩ - -
RS Stock No. 124-5582
BrandRS PRO
€0.361
Each (In a Pack of 20)
units
1 μH 12A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 6mΩ - -
RS Stock No. 169-3703
BrandRS PRO
€0.176
Each (On a Reel of 500)
units
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 169-3774
BrandRS PRO
€0.271
Each (On a Reel of 400)
units
680 μH 670mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.46Ω - -
RS Stock No. 763-1392
BrandRS PRO
€0.06
Each (On a Reel of 1000)
units
150 nH 400mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 560mΩ WL05 Ceramic
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