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. 169-3765
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. 124-5598
BrandRS PRO
€0.194
Each (In a Pack of 50)
units
- - 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - - - Ferrite
RS Stock No. 741-9189
BrandRS PRO
€0.168
Each (In a Bag of 5)
units
100 μH 420mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 520mΩ NPIS53D -
RS Stock No. 763-1440
BrandRS PRO
€0.013
Each (On a Reel of 1000)
units
22 nH 300mA 0402 (1005M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 800mΩ CL Ceramic
RS Stock No. 104-8411
BrandRS PRO
€1.058
Each (In a Pack of 5)
units
22 μH 3A - 12mm - 12mm 9.1mm - 12 x 12 x 9.1mm - ±15% 38mΩ LCP -
RS Stock No. 124-5599
BrandRS PRO
€0.241
Each (In a Pack of 50)
units
- 400mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 300mΩ - Ferrite
RS Stock No. 169-3774
BrandRS PRO
€0.271
Each (On a Reel of 400)
units
680 μH 670mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.46Ω - -
RS Stock No. 741-9202
BrandRS PRO
€0.348
Each (In a Bag of 5)
units
10 μH 2A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 38mΩ NPIS64D -
RS Stock No. 169-3706
BrandRS PRO
€0.329
Each (On a Reel of 500)
units
33 μH 2.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 100mΩ - -
RS Stock No. 169-3745
BrandRS PRO
€184.04
1 Reel of 1000
Reel(s)
220 μH 490mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 960mΩ - -
RS Stock No. 124-5585
BrandRS PRO
€0.361
Each (In a Pack of 20)
units
560 μH 730mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 1.07Ω - -
RS Stock No. 169-3742
BrandRS PRO
€184.04
1 Reel of 1000
Reel(s)
68 μH 850mA 75 7.8mm - 7mm 5mm - 7.8 x 7 x 5mm No ±10% 280mΩ - -
RS Stock No. 741-8919
BrandRS PRO
€0.16
Each (In a Bag of 5)
units
390 μH 650mA 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 690mΩ - -
RS Stock No. 169-3788
BrandRS PRO
€711.54
1 Reel of 2500
Reel(s)
22 μH 900mA 53 5.6mm - 5.6mm 3mm - 5.6 x 5.6 x 3mm Yes ±20% 122mΩ NPIS53D -
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. 123-4652
BrandRS PRO
€0.867
Each (In a Pack of 10)
units
1 μH 11A - 7.3mm - 6.6mm 2.8mm - 7.3 x 6.6 x 2.8mm Yes ±20% 10mΩ - Ferrite
RS Stock No. 763-1364
BrandRS PRO
€0.062
Each (On a Reel of 1000)
units
27 nH 500mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 250mΩ WL05 Ceramic
RS Stock No. 123-4663
BrandRS PRO
€0.396
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. 763-1443
BrandRS PRO
€0.031
Each (On a Reel of 1000)
units
8.2 nH 220mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 1.25Ω AL Ceramic
RS Stock No. 741-9224
BrandRS PRO
€0.378
Each (In a Bag of 5)
units
33 μH 1.1A 64 6.6mm - 6.6mm 4mm - 6.6 x 6.6 x 4mm Yes ±20% 124mΩ - -
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