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. 171-1186
Mfr. Part No.B82432T1472K000
BrandEPCOS
TWD13.00
Each (On a Reel of 2500)
units
4.7 μH 800mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 220mΩ SIMID Ferrite
RS Stock No. 801-9585
Mfr. Part No.B82432T1472K000
BrandEPCOS
TWD34.60
Each (In a Bag of 5)
units
4.7 μH 800mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 220mΩ SIMID Ferrite
RS Stock No. 496-0580
Mfr. Part No.B82464G4472M000
BrandEPCOS
TWD79.00
Each
units
4.7 μH 4.9A - 10.4mm - 10.4mm 4.8mm - 10.4 x 10.4 x 4.8mm Yes ±20% 15mΩ B82462-G4 Ferrite
RS Stock No. 167-8185
Mfr. Part No.B82464G4472M000
BrandEPCOS
TWD35.60
Each (On a Reel of 750)
units
4.7 μH 4.9A - 10.4mm - 10.4mm 4.8mm - 10.4 x 10.4 x 4.8mm Yes ±20% 15mΩ B82462-G4 Ferrite
RS Stock No. 166-0196
Mfr. Part No.B82442T1225K050
BrandEPCOS
TWD19.50
Each (On a Reel of 1500)
units
2.2 mH 100mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm - - 22.5Ω SIMID Ferrite
RS Stock No. 496-1123
Mfr. Part No.B82498F3331J000
BrandEPCOS
TWD26.20
Each (In a Pack of 5)
units
330 nH 220mA 0805 (2012M) 2.3mm - 1.7mm 1.4mm - 2.3 x 1.7 x 1.4mm - ±5% 1.5Ω SIMID Ceramic
RS Stock No. 496-0940
Mfr. Part No.B82496C3150J000
BrandEPCOS
TWD13.10
Each (In a Pack of 10)
units
15 nH 420mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 400mΩ SIMID Copper Plated Ceramic
RS Stock No. 844-2718
Mfr. Part No.B82464P4154M000
BrandEPCOS
TWD94.30
Each (In a Bag of 3)
units
150 μH 850mA SMD 10.4mm - 10.4mm 4.8mm - 10.4 x 10.4 x 4.8mm Yes ±20% 320mΩ B82464P4 Ferrite
RS Stock No. 162-0218
Mfr. Part No.B82442A1224K000
BrandEPCOS
TWD24.00
Each (On a Reel of 1500)
units
220 μH 170mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm Yes ±10% 2.72Ω SIMID Ferrite
RS Stock No. 167-8468
Mfr. Part No.B82496C3101J000
BrandEPCOS
TWD5.10
Each (On a Reel of 4000)
units
100 nH 200mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 1.8Ω SIMID Copper Plated Ceramic
RS Stock No. 146-2599
Mfr. Part No.B82559A6682A019
BrandEPCOS
TWD112.10
Each (On a Reel of 240)
units
6.8 μH 18.6A - 19.9mm AEC-Q200 20.5mm 8.35mm - 19.9 x 20.5 x 8.35mm Yes ±10% 8.25mΩ B82559A019 Ferrite
RS Stock No. 162-0265
Mfr. Part No.B82422T1103K000
BrandEPCOS
TWD6.20
Each (On a Reel of 2000)
units
10 μH 150mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm Yes ±10% 2.1Ω SIMID Ferrite
RS Stock No. 496-1375
Mfr. Part No.B82442H1335K000
BrandEPCOS
TWD59.40
Each (In a Pack of 5)
units
3.3 mH 55mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm - ±10% 48Ω SIMID Ferrite
RS Stock No. 167-0330
Mfr. Part No.B82422H1683K000
BrandEPCOS
TWD9.00
Each (On a Reel of 2000)
units
68 μH 180mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 3.4Ω SIMID Ferrite
RS Stock No. 146-2600
Mfr. Part No.B82559A7103A019
BrandEPCOS
TWD126.50
Each (On a Reel of 240)
units
10 μH 14.4A - 19.9mm AEC-Q200 20.5mm 8.35mm - 19.9 x 20.5 x 8.35mm Yes ±10% 9.55mΩ B82559A019 Ferrite
RS Stock No. 167-8183
Mfr. Part No.B82464A4223K000
BrandEPCOS
TWD29.80
Each (On a Reel of 750)
units
22 μH 2.1A - 10.4mm - 10.4mm 4.8mm - 10.4 x 10.4 x 4.8mm - ±10% 85mΩ B82462-A4 Ferrite
RS Stock No. 167-0154
Mfr. Part No.B82477R4153M100
BrandEPCOS
TWD60.50
Each (On a Reel of 350)
units
15 μH 5A - 12.5mm - 12.5mm 8.5mm - 12.5 x 12.5 x 8.5mm Yes ±20% 25mΩ B82477-R4 Ferrite
RS Stock No. 496-0990
Mfr. Part No.B82496C3101J000
BrandEPCOS
TWD13.10
Each (In a Pack of 10)
units
100 nH 200mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 1.8Ω SIMID Copper Plated Ceramic
RS Stock No. 496-0653
Mfr. Part No.B82464G4683M000
BrandEPCOS
TWD79.00
Each
units
68 μH 1.3A - 10.4mm - 10.4mm 4.8mm - 10.4 x 10.4 x 4.8mm Yes ±20% 130mΩ B82462-G4 Ferrite
RS Stock No. 496-1274
Mfr. Part No.B82442H1223K000
BrandEPCOS
TWD58.40
Each (In a Pack of 5)
units
22 μH 670mA 2220 (5650M) 5.6mm - 5mm 5mm - 5.6 x 5 x 5mm - ±10% 350mΩ SIMID Ferrite