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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Omschrijving Prijs Inductance Maximum DC Current Package/Case Length Automotive Standard Depth Height Diameter Dimensions Shielded Tolerance Maximum DC Resistance Series Core Material
RS-stocknr. 172-8527
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FabrikantBourns
€ 0,361
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- 200mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±25% 1.2Ω WE-CNSW SMD Ferrite
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€ 0,395
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RS-stocknr. 181-8186
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FabrikantBourns
€ 0,302
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- - - - - - - - - - - - - -
RS-stocknr. 125-3194
FabrikantnummerLQM21FN100M80L
FabrikantMurata
€ 0,044
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FabrikantWurth Elektronik
€ 1,31
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1 mH 360mA 8040 8mm - 8mm 4.2mm - 8 x 8 x 4.2mm Yes - 2.87Ω WE-LQS -
RS-stocknr. 744-4905
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FabrikantWurth Elektronik
€ 1,91
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RS-stocknr. 923-6194
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FabrikantWurth Elektronik
€ 1,694
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FabrikantnummerSDR0403-270KL
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€ 0,266
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RS-stocknr. 669-0176
Fabrikantnummer744029004
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€ 1,432
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4.7 μH 1.2A 2816 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 200mΩ WE-TPC Ferrite
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Fabrikantnummer74404042150
FabrikantWurth Elektronik
€ 1,122
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15 μH 850mA 4018 4mm - 4mm 1.8mm - 4 x 4 x 1.8mm Yes ±20% 210mΩ WE-LQS -
RS-stocknr. 163-3574
Fabrikantnummer744029004
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€ 0,884
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4.7 μH 1.2A 2816 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 200mΩ WE-TPC Ferrite
RS-stocknr. 162-1442
FabrikantnummerB82422A1103K100
FabrikantEPCOS
€ 0,151
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10 μH 180mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 1.6Ω SIMID Ferrite
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RS-stocknr. 744-4867
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€ 2,96
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€ 0,036
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RS-stocknr. 367-4626
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€ 0,384
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€ 1,272
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- 200mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±25% 1.2Ω WE-CNSW SMD Ferrite
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FabrikantMurata
€ 0,167
Each (In a Bag of 25)
Aantal stuks
10 μH 100mA 0805 (2012M) 2mm - 1.25mm 1.25mm - 2 x 1.25 x 1.25mm - ±20% 390mΩ LQM21F Ferrite