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. 169-3709
BrandRS PRO
€0.128
Each (On a Reel of 2000)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 741-9265
BrandRS PRO
€0.166
Each (In a Bag of 5)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 169-3795
BrandRS PRO
€0.161
Each (On a Reel of 1000)
units
270 μH 400mA 64 7mm - 7mm 4mm - 7 x 7 x 4mm Yes ±20% 1.29Ω - -
RS Stock No. 124-5607
BrandRS PRO
€0.272
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. 740-9362
BrandRS PRO
€0.165
Each (In a Bag of 20)
units
2.2 μH 2.6A 43 4.5mm - 4mm 3.2mm - 4.5 x 4 x 3.2mm No ±20% 60mΩ - -
RS Stock No. 169-3469
BrandRS PRO
€0.222
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. 124-5581
BrandRS PRO
€0.18
Each (In a Pack of 20)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 124-5584
BrandRS PRO
€0.165
Each (In a Pack of 20)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 169-3446
BrandRS PRO
€0.161
Each (On a Reel of 400)
units
4.7 μH 6.8A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes - 15.8mΩ - -
RS Stock No. 169-3442
BrandRS PRO
€0.176
Each (On a Reel of 600)
units
150 μH 1A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes - 230mΩ - -
RS Stock No. 763-1443
BrandRS PRO
€0.018
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. 741-8880
BrandRS PRO
€0.384
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. 124-5577
BrandRS PRO
€0.37
Each (In a Pack of 20)
units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
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. 169-3482
BrandRS PRO
€0.125
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. 104-8410
BrandRS PRO
€0.945
Each (In a Pack of 2)
units
150 μH 880mA - 12mm - 12mm 7mm - 12 x 12 x 7mm - ±15% 307mΩ LCP -
RS Stock No. 169-3769
BrandRS PRO
€0.308
Each (On a Reel of 400)
units
68 μH 2.1A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 140mΩ - -
RS Stock No. 740-9491
BrandRS PRO
€0.276
Each (In a Bag of 5)
units
33 μH 5.5A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 66mΩ - -
RS Stock No. 741-8984
BrandRS PRO
€0.342
Each (In a Bag of 5)
units
68 μH 2.1A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 140mΩ - -
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