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. 169-3479
BrandRS PRO
€0.375
Each (On a Reel of 750)
units
820 μH 500mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.768Ω - -
RS Stock No. 763-1311
BrandRS PRO
€0.062
Each (On a Reel of 1000)
units
39 nH 600mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 250mΩ WL03 Ceramic
RS Stock No. 741-9000
BrandRS PRO
€0.484
Each (In a Bag of 5)
units
220 μH 1.16A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 390mΩ - -
RS Stock No. 169-3443
BrandRS PRO
€0.343
Each (On a Reel of 400)
units
1 μH 12A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 6mΩ - -
RS Stock No. 123-4663
BrandRS PRO
€0.364
Each (In a Pack of 10)
units
68 μH 2.85A - 12mm - 12.5mm 10mm - 12 x 12 x 10mm Yes ±20% 93mΩ - -
RS Stock No. 740-9520
BrandRS PRO
€0.888
Each (In a Bag of 5)
units
1 mH 1A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 1.8Ω - -
RS Stock No. 169-3765
BrandRS PRO
€0.30
Each (On a Reel of 400)
units
22 μH 3.6A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 43mΩ - -
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. 162-1411
BrandRS PRO
€0.117
Each (On a Reel of 2000)
units
47 μH 600mA 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 800mΩ - -
RS Stock No. 169-3719
BrandRS PRO
€0.399
Each (On a Reel of 250)
units
10 μH 4.3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 31mΩ - -
RS Stock No. 169-3482
BrandRS PRO
€0.123
Each (On a Reel of 600)
units
150 μH 950mA 24 12.5mm - 12.5mm 5mm - 12.5 x 12.5 x 5mm Yes - 530mΩ - -
RS Stock No. 169-3462
BrandRS PRO
€0.08
Each (On a Reel of 2000)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 800mΩ - Ferrite
RS Stock No. 740-9265
BrandRS PRO
€0.742
Each (In a Bag of 5)
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. 169-3758
BrandRS PRO
€0.343
Each (On a Reel of 600)
units
100 μH 1.3A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 160mΩ - -
RS Stock No. 123-4654
BrandRS PRO
€0.894
Each (In a Pack of 10)
units
4.7 μH 5.5A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 40mΩ - Ferrite
RS Stock No. 763-1370
BrandRS PRO
€0.079
Each (On a Reel of 1000)
units
47 nH 500mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 310mΩ WL05 Ceramic
RS Stock No. 169-3694
BrandRS PRO
€0.251
Each (On a Reel of 2500)
units
1.5 μH 2.8A 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 50mΩ - -
RS Stock No. 741-8922
BrandRS PRO
€0.554
Each (In a Bag of 5)
units
1 mH 400mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 1.53Ω - -
RS Stock No. 741-9145
BrandRS PRO
€0.178
Each (In a Bag of 5)
units
10 μH 1.3A 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 65mΩ NPIS53D -
RS Stock No. 169-3745
BrandRS PRO
€0.184
Each (On a Reel of 1000)
units
220 μH 490mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 960mΩ - -
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