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. 801-9560
Mfr. Part No.B82432T1223K000
BrandEPCOS
£0.764
Each (In a Bag of 5)
Units
22 μH 450mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 700mΩ SIMID Ferrite
RS Stock No. 167-0302
Mfr. Part No.B82432T1223K000
BrandEPCOS
£0.274
Each (On a Reel of 2500)
Units
22 μH 450mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 700mΩ SIMID Ferrite
RS Stock No. 134-9481
Mfr. Part No.B82787C0513H002
BrandEPCOS
£0.47
Each (On a Reel of 2500)
Units
51 μH 200mA SMD 4.5mm - 3.2mm 2.8mm - 4.5 x 3.2 x 2.8mm - -30 → +50% ACT45B Ferrite
RS Stock No. 774-0544
Mfr. Part No.B82787C0513H002
BrandEPCOS
£1.21
Each
Units
51 μH 200mA SMD 4.5mm - 3.2mm 2.8mm - 4.5 x 3.2 x 2.8mm - -30 → +50% ACT45B Ferrite
RS Stock No. 191-0122
Mfr. Part No.B82422A1103K100
BrandEPCOS
£0.402
Each (In a Pack of 5)
Units
10 μH 180mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 1.6Ω SIMID Ferrite
RS Stock No. 162-1442
Mfr. Part No.B82422A1103K100
BrandEPCOS
£0.141
Each (On a Reel of 2000)
Units
10 μH 180mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 1.6Ω SIMID Ferrite
RS Stock No. 706-2866
Mfr. Part No.B82422H1103K000
BrandEPCOS
£0.524
Each (In a Pack of 10)
Units
10 μH 500mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 460mΩ SIMID Ferrite
RS Stock No. 134-9477
Mfr. Part No.B82422H1103K000
BrandEPCOS
£0.20
Each (On a Reel of 2000)
Units
10 μH 500mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 460mΩ SIMID Ferrite
RS Stock No. 167-0309
Mfr. Part No.B82432T1473K000
BrandEPCOS
£0.254
Each (On a Reel of 2500)
Units
47 μH 350mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 1.35Ω SIMID Ferrite
RS Stock No. 801-9588
Mfr. Part No.B82432T1473K000
BrandEPCOS
£0.306
Each (In a Bag of 5)
Units
47 μH 350mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 1.35Ω SIMID Ferrite
RS Stock No. 801-9507
Mfr. Part No.B82422T1103K000
BrandEPCOS
£0.349
Each (In a Bag of 10)
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. 191-0289
Mfr. Part No.B82422A1102K100
BrandEPCOS
£0.402
Each (In a Pack of 5)
Units
1 μH 380mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 340mΩ SIMID Ferrite
RS Stock No. 162-0265
Mfr. Part No.B82422T1103K000
BrandEPCOS
£0.123
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. 170-2832
Mfr. Part No.B82422A1102K100
BrandEPCOS
£0.137
Each (On a Reel of 2000)
Units
1 μH 380mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 340mΩ SIMID Ferrite
RS Stock No. 496-1189
Mfr. Part No.B82498F1222J000
BrandEPCOS
£0.626
Each (In a Pack of 10)
Units
2.2 μH 130mA 0805 (2012M) 2.3mm - 1.7mm 1.4mm - 2.3 x 1.7 x 1.4mm - ±5% 1.6Ω SIMID Ferrite
RS Stock No. 162-0309
Mfr. Part No.B82498F1222J000
BrandEPCOS
£0.245
Each (On a Reel of 3000)
Units
2.2 μH 130mA 0805 (2012M) 2.3mm - 1.7mm 1.4mm - 2.3 x 1.7 x 1.4mm - ±5% 1.6Ω SIMID Ferrite
RS Stock No. 801-9557
Mfr. Part No.B82432T1103K000
BrandEPCOS
£0.764
Each (In a Bag of 5)
Units
10 μH 650mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 350mΩ SIMID Ferrite
RS Stock No. 801-9715
Mfr. Part No.B82498B3330J000
BrandEPCOS
£0.28
Each (In a Bag of 5)
Units
33 nH 520mA 0805 (2012M) 2.2mm - 1.45mm 1.4mm - 2.2 x 1.45 x 1.4mm Yes ±5% 120mΩ SIMID Ceramic
RS Stock No. 167-0301
Mfr. Part No.B82432T1103K000
BrandEPCOS
£0.274
Each (On a Reel of 2500)
Units
10 μH 650mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 350mΩ SIMID Ferrite
RS Stock No. 801-9702
Mfr. Part No.B82498B3220J000
BrandEPCOS
£0.304
Each (In a Bag of 5)
Units
22 nH 600mA 0805 (2012M) 2.2mm - 1.45mm 1.4mm - 2.2 x 1.45 x 1.4mm Yes ±5% 90mΩ SIMID Ceramic