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. 617-0896
Fabrikantnummer744031004
FabrikantWurth Elektronik
€ 1,35
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4.7 μH 1.2A 3816 3.8mm - 3.8mm 1.65mm - 3.8 x 3.8 x 1.65mm Yes ±30% 105mΩ WE-TPC Ferrite
RS-stocknr. 166-9644
FabrikantnummerLQH43PN4R7M26L
FabrikantMurata
€ 0,176
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4.7 μH 1.4A 4532 4.5mm - 3.2mm 2.6mm - 4.5 x 3.2 x 2.6mm Yes ±20% 75mΩ LQH43PN_26 Ferrite
RS-stocknr. 500-3212
Fabrikantnummer744253200
FabrikantWurth Elektronik
€ 2,214
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20 μH 500mA - 9.2mm - 6.6mm 2.5mm - 9.2 x 6.6 x 2.5mm - -30 → +50% 160mΩ WE-SL3 Ferrite
RS-stocknr. 169-3448
FabrikantRS PRO
€ 1,124
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47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS-stocknr. 879-0754
FabrikantnummerLQH2HPZR47NJRL
FabrikantMurata
€ 0,383
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470 nH 3.5A 2520 2.5mm - 2mm 1.1mm - 2.5 x 2 x 1.1mm Yes - 30mΩ LQH Ferrite
RS-stocknr. 124-1847
Fabrikantnummer744232090
FabrikantWurth Elektronik
€ 1,029
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- 370mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±25% 300mΩ WE-CNSW SMD Ferrite
RS-stocknr. 496-1347
FabrikantnummerB82442H1105K000
FabrikantEPCOS
€ 1,128
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1 mH 120mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm - ±10% 12Ω SIMID Ferrite
RS-stocknr. 744-4949
Fabrikantnummer744777004
FabrikantWurth Elektronik
€ 2,144
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4.7 μH 4A 7345 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 40mΩ WE-PD Ferrite
RS-stocknr. 692-4867
FabrikantnummerSRU5028-100Y
FabrikantBourns
€ 0,59
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10 μH 1.8A - 5.2mm - 5.2mm 2.8mm - 5.2 x 5.2 x 2.8mm Yes ±30% 63mΩ SRU5028 Ferrite
RS-stocknr. 172-8567
FabrikantnummerSRF0905-500Y
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€ 0,494
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50 μH 800mA 0905 9.2mm - 6mm 5mm - 9.2 x 6 x 5mm - ±30% - SRF0905 Ferrite
RS-stocknr. 163-4668
Fabrikantnummer7447714330
FabrikantWurth Elektronik
€ 1,166
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33 μH 2.5A - 10mm - 10mm 5mm - 10 x 10 x 5mm Yes ±20% 79mΩ WE-PD -
RS-stocknr. 874-9706
FabrikantnummerDR331-475BE
FabrikantBourns
€ 0,696
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4.7 mH 200mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - 700mΩ DR331 Ferrite
RS-stocknr. 124-5586
FabrikantRS PRO
€ 1,093
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47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
RS-stocknr. 801-9721
FabrikantnummerB82498B3471J000
FabrikantEPCOS
€ 1,20
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470 nH 115mA 0805 (2012M) 2.2mm - 1.45mm 1.4mm - 2.2 x 1.45 x 1.4mm Yes ±5% 2.4Ω SIMID Ceramic
RS-stocknr. 725-4923
FabrikantnummerLQG15HS27NJ02D
FabrikantMurata
€ 0,053
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27 nH 300mA 0402 (1005M) 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±5% 460mΩ LQG15HS -
RS-stocknr. 144-9828
Fabrikantnummer744031004
FabrikantWurth Elektronik
€ 0,692
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4.7 μH 1.2A 3816 3.8mm - 3.8mm 1.65mm - 3.8 x 3.8 x 1.65mm Yes ±30% 105mΩ WE-TPC Ferrite
RS-stocknr. 741-3365
FabrikantnummerSLF12575T-680M2R0-PF
FabrikantTDK
€ 1,343
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68 μH 2.4A 12575 12.5mm - 12.5mm 7.5mm - 12.5 x 12.5 x 7.5mm Yes ±20% 78mΩ SLF -
RS-stocknr. 172-8528
FabrikantnummerDR331-475BE
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€ 0,37
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Aantal stuks
4.7 mH 200mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - - DR331 Ferrite
RS-stocknr. 124-1890
Fabrikantnummer7447709101
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100 μH 2.5A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 110mΩ WE-PD -
RS-stocknr. 167-5688
FabrikantnummerLQG15HS27NJ02D
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