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. 740-9485
BrandRS PRO
€0.442
Each (In a Bag of 5)
units
10 μH 4.3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 31mΩ - -
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. 124-5620
BrandRS PRO
€0.128
Each (In a Pack of 25)
units
150 μH 950mA 24 12.5mm - 12.5mm 5mm - 12.5 x 12.5 x 5mm Yes - 530mΩ - -
RS Stock No. 124-5601
BrandRS PRO
€0.084
Each (In a Pack of 50)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 800mΩ - Ferrite
RS Stock No. 763-1421
BrandRS PRO
€0.065
Each (On a Reel of 1000)
units
1 μH 170mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 2.5Ω WL05 Ceramic
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. 124-5572
BrandRS PRO
€0.37
Each (In a Pack of 20)
units
±1.5 μH 6.4A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 10mΩ - -
RS Stock No. 740-9619
BrandRS PRO
€0.253
Each (In a Bag of 20)
units
220 μH 400mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 1.2Ω - -
RS Stock No. 741-9246
BrandRS PRO
€0.384
Each (In a Bag of 5)
units
100 μH 650mA 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 358mΩ - -
RS Stock No. 124-5589
BrandRS PRO
€1.069
Each (In a Pack of 10)
units
220 μH 1.72A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 246mΩ - -
RS Stock No. 741-9108
BrandRS PRO
€0.18
Each (In a Bag of 5)
units
56 μH 410mA 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 625mΩ NPIS43D -
RS Stock No. 740-9390
BrandRS PRO
€0.195
Each (In a Bag of 20)
units
12 μH 1.1A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 210mΩ - -
RS Stock No. 169-3779
BrandRS PRO
€0.312
Each (On a Reel of 2500)
units
6.8 μH 1.12A 43 4.8mm - 4.8mm 3mm - 4.8 x 4.8 x 3mm Yes ±20% 109mΩ NPIS43D -
RS Stock No. 740-9684
BrandRS PRO
€0.106
Each (In a Bag of 10)
units
100 μH 720mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 430mΩ - -
RS Stock No. 740-9372
BrandRS PRO
€0.213
Each (In a Bag of 20)
units
4.7 μH 1.9A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 80mΩ - -
RS Stock No. 169-3437
BrandRS PRO
€0.329
Each (On a Reel of 500)
units
±220 μH 800mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 610mΩ - -
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. 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. 740-9375
BrandRS PRO
€0.131
Each (In a Bag of 20)
units
3.3 μH 2A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 70mΩ - -
RS Stock No. 123-4653
BrandRS PRO
€0.30
Each (In a Pack of 10)
units
2.2 μH 8A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 20mΩ - -
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