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. 169-3705
BrandRS PRO
PHP20.54
Each (On a Reel of 500)
units
10 μH 3.9A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 38mΩ - -
RS Stock No. 169-3698
BrandRS PRO
PHP28.69
Each (On a Reel of 2500)
units
47 μH 500mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 640mΩ - -
RS Stock No. 169-3722
BrandRS PRO
PHP37.41
Each (On a Reel of 250)
units
68 μH 3.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 130mΩ - -
RS Stock No. 740-9603
BrandRS PRO
PHP14.096
Each (In a Bag of 20)
units
120 μH 600mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 750mΩ - -
RS Stock No. 124-5617
BrandRS PRO
PHP26.501
Each (In a Pack of 25)
units
820 μH 500mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.768Ω - -
RS Stock No. 169-3451
BrandRS PRO
PHP47.788
Each (On a Reel of 250)
units
220 μH 1.72A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 246mΩ - -
RS Stock No. 169-3482
BrandRS PRO
PHP16.247
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. 169-3436
BrandRS PRO
PHP21.622
Each (On a Reel of 500)
units
±150 μH 1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 400mΩ - -
RS Stock No. 740-9277
BrandRS PRO
PHP139.59
1 Bag of 5
Bag(s)
220 μH 220mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 3.11Ω - -
RS Stock No. 169-3772
BrandRS PRO
PHP21.41
Each (On a Reel of 400)
units
180 μH 1.3A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 350mΩ - -
RS Stock No. 169-3765
BrandRS PRO
PHP21.41
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. 169-3457
BrandRS PRO
PHP10.807
Each (On a Reel of 2000)
units
- 100mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - 500mΩ - Ferrite
RS Stock No. 104-8411
BrandRS PRO
PHP93.624
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. 162-1404
BrandRS PRO
PHP57.72
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. 741-9000
BrandRS PRO
PHP31.754
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. 169-3478
BrandRS PRO
PHP16.808
Each (On a Reel of 750)
units
680 μH 520mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes - 1.599Ω - -
RS Stock No. 124-5611
BrandRS PRO
PHP26.501
Each (In a Pack of 25)
units
22 μH 2.95A 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 61mΩ - -
RS Stock No. 169-3729
BrandRS PRO
PHP9.226
Each (On a Reel of 1500)
units
3.3 μH 2.5A 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±20% 40mΩ - -
RS Stock No. 763-1392
BrandRS PRO
PHP3.934
Each (On a Reel of 1000)
units
150 nH 400mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 560mΩ WL05 Ceramic
RS Stock No. 124-5586
BrandRS PRO
PHP70.184
Each (In a Pack of 10)
units
47 μH 3.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 63Ω - -
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