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. 763-1418
BrandRS PRO
PHP2.827
Each (On a Reel of 1000)
units
560 nH 230mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 1.9Ω WL05 Ceramic
RS Stock No. 763-1424
BrandRS PRO
PHP2.249
Each (On a Reel of 1000)
units
1 nH 700mA 0402 (1005M) 1mm - 0.5mm 0.32mm - 1 x .5 x .32mm - ±0.1nH 150mΩ AL Ceramic
RS Stock No. 169-3773
BrandRS PRO
PHP21.41
Each (On a Reel of 400)
units
330 μH 950mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 640mΩ - -
RS Stock No. 124-5600
BrandRS PRO
PHP11.102
Each (In a Pack of 50)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 750mΩ - Ferrite
RS Stock No. 124-5604
BrandRS PRO
PHP14.275
Each (In a Pack of 25)
units
6.8 μH 4.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 27mΩ - -
RS Stock No. 169-3469
BrandRS PRO
PHP13.855
Each (On a Reel of 1000)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 169-3461
BrandRS PRO
PHP10.769
Each (On a Reel of 2000)
units
- 300mA 1206 (3216M) 3.2mm - 1.6mm 2mm - 3.2 x 1.6 x 2mm Yes - 750mΩ - Ferrite
RS Stock No. 169-3756
BrandRS PRO
PHP21.41
Each (On a Reel of 600)
units
68 μH 1.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 120mΩ - -
RS Stock No. 169-3465
BrandRS PRO
PHP13.855
Each (On a Reel of 1000)
units
6.8 μH 4.5A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 27mΩ - -
RS Stock No. 763-1298
BrandRS PRO
PHP2.269
Each (On a Reel of 1000)
units
10 nH 700mA 0603 (1608M) 1.8mm - 1.12mm 1.02mm - 1.8 x 1.12 x 1.02mm - ±5% 130mΩ WL03 Ceramic
RS Stock No. 124-5607
BrandRS PRO
PHP14.275
Each (In a Pack of 25)
units
68 μH 1.42A 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 213mΩ - -
RS Stock No. 741-9016
BrandRS PRO
PHP16.598
Each (In a Bag of 5)
units
330 μH 950mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 640mΩ - -
RS Stock No. 741-8880
BrandRS PRO
PHP19.742
Each (In a Bag of 5)
units
68 μH 1.5A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 120mΩ - -
RS Stock No. 169-3449
BrandRS PRO
PHP47.788
Each (On a Reel of 250)
units
100 μH 2.45A 29 12mm - 12mm 10mm - 12 x 12 x 10mm Yes - 126mΩ - -
RS Stock No. 169-3472
BrandRS PRO
PHP13.855
Each (On a Reel of 1000)
units
330 μH 520mA 0104 10.6mm - 10.5mm 4mm - 10.6 x 10.5 x 4mm Yes - 1.09Ω - -
RS Stock No. 124-5593
BrandRS PRO
PHP13.46
Each (In a Pack of 50)
units
- - 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm Yes - - - Ferrite
RS Stock No. 169-3732
BrandRS PRO
PHP9.226
Each (On a Reel of 1500)
units
56 μH 800mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 400mΩ - -
RS Stock No. 123-4663
BrandRS PRO
PHP60.20
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. 740-9362
BrandRS PRO
PHP162.05
1 Bag of 20
Bag(s)
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 741-9038
BrandRS PRO
PHP20.78
Each (In a Bag of 5)
units
1 mH 550mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 1.82Ω - -
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