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. 124-5577
BrandRS PRO
€0.37
Each (In a Pack of 20)
units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
RS Stock No. 741-8852
BrandRS PRO
€0.342
Each (In a Bag of 5)
units
12 μH 3.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 27mΩ - -
RS Stock No. 741-9155
BrandRS PRO
€0.454
Each (In a Bag of 5)
units
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
RS Stock No. 169-3769
BrandRS PRO
€0.308
Each (On a Reel of 400)
units
68 μH 2.1A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 140mΩ - -
RS Stock No. 740-9704
BrandRS PRO
€0.106
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. 169-3800
BrandRS PRO
€0.215
Each (On a Reel of 1000)
units
33 μH 2.2A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes ±20% 93mΩ - -
RS Stock No. 169-3754
BrandRS PRO
€0.503
Each (On a Reel of 600)
units
56 μH 1.7A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 110mΩ - -
RS Stock No. 169-3747
BrandRS PRO
€0.108
Each (On a Reel of 1000)
units
470 μH 340mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 1.96Ω - -
RS Stock No. 740-9312
BrandRS PRO
€0.532
Each (In a Bag of 10)
units
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 169-3696
BrandRS PRO
€0.669
Each (On a Reel of 2500)
units
100 μH 310mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 1.27Ω - -
RS Stock No. 741-9072
BrandRS PRO
€0.16
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. 169-3766
BrandRS PRO
€0.343
Each (On a Reel of 400)
units
47 μH 2.5A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 100mΩ - -
RS Stock No. 741-9060
BrandRS PRO
€0.18
Each (In a Bag of 5)
units
8.2 μH 1.04A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 118mΩ NPIS43D -
RS Stock No. 740-9407
BrandRS PRO
€0.215
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. 173-0203
BrandRS PRO
€0.91
Each (In a Box of 300)
units
150 μH 880mA - 12mm - 12mm 7mm - 12 x 12 x 7mm - ±15% 307mΩ LCP -
RS Stock No. 162-1404
BrandRS PRO
€0.731
Each (On a Reel of 400)
units
10 μH 10A - 13.4mm - 12.5mm 6.8mm - 13.4 x 12.5 x 6.8mm Yes ±20% 16.8mΩ - Ferrite
RS Stock No. 169-3720
BrandRS PRO
€0.30
Each (On a Reel of 250)
units
33 μH 5.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 66mΩ - -
RS Stock No. 169-3424
BrandRS PRO
€0.216
Each (On a Reel of 1000)
units
10 μH 1.84A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 49mΩ - -
RS Stock No. 741-8950
BrandRS PRO
€0.346
Each (In a Bag of 5)
units
15 μH 4.5A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 27mΩ - -
RS Stock No. 169-3785
BrandRS PRO
€0.151
Each (On a Reel of 2500)
units
120 μH 270mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 1.27Ω NPIS43D -
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