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. 108-4666
Mfr. Part No.NLV32T-1R0J-PF
BrandTDK
SGD0.123
Each (On a Reel of 2000)
units
1 μH 400mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 700mΩ NLV-PF -
RS Stock No. 548-2772
Mfr. Part No.NLV32T-1R0J-PF
BrandTDK
SGD0.231
Each (In a Pack of 25)
units
1 μH 400mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 700mΩ NLV-PF -
RS Stock No. 916-4169
Mfr. Part No.ACT45B-220-2P-TL
BrandTDK
SGD1.718
Each (In a Pack of 5)
units
22 μH - 1812 (4532M) 4.5mm - 3.2mm 2.8mm - 4.5 x 3.2 x 2.8mm - - - ACT -
RS Stock No. 165-3151
Mfr. Part No.ACT45B-220-2P-TL
BrandTDK
SGD1.068
Each (On a Reel of 2500)
units
22 μH 200mA 1812 (4532M) 4.5mm - 3.2mm 2.8mm - 4.5 x 3.2 x 2.8mm Yes -30 → +50% ACT -
RS Stock No. 108-4672
Mfr. Part No.NLV32T-471J-PF
BrandTDK
SGD0.132
Each (On a Reel of 2000)
units
470 μH 25mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 40Ω NLV-PF -
RS Stock No. 547-4771
Mfr. Part No.ACM2520-801-3P-T
BrandTDK
SGD1.21
Each
units
- 150mA 2520 2.5mm - 2mm 1.2mm - 2.5 x 2 x 1.2mm - - 1.6Ω ACM Ferrite
RS Stock No. 741-3377
Mfr. Part No.SLF6028T-100M1R3-PF
BrandTDK
SGD1.204
Each (In a Bag of 10)
units
10 μH 1.8A - - - - - - - - ±20% 53.2mΩ SLF -
RS Stock No. 604-4747
Mfr. Part No.SLF7030T-3R3M1R8-PF
BrandTDK
SGD1.588
Each (In a Pack of 10)
units
3.3 μH 1.8A - 7mm - 7mm 3mm - 7 x 7 x 3mm Yes ±20% 23mΩ - -
RS Stock No. 111-1025
Mfr. Part No.SLF12575T-6R8N5R9-PF
BrandTDK
SGD1.313
Each (On a Reel of 500)
units
6.8 μH 5.9A - - - - - - - - ±30% 13.1mΩ SLF -
RS Stock No. 108-4673
Mfr. Part No.NLV32T-4R7J-PF
BrandTDK
SGD0.127
Each (On a Reel of 2000)
units
4.7 μH 220mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 1.5Ω NLV-PF -
RS Stock No. 548-2968
Mfr. Part No.NLV32T-471J-PF
BrandTDK
SGD0.361
Each (In a Pack of 25)
units
470 μH 25mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 40Ω NLV-PF -
RS Stock No. 604-3441
Mfr. Part No.RLF12545T-1R9N100-PF
BrandTDK
SGD4.376
Each (In a Pack of 5)
units
1.9 μH 13A - 12.8mm - 12.5mm 4.7mm - 12.8 x 12.5 x 4.7mm - ±30% 3.6mΩ - -
RS Stock No. 547-4664
Mfr. Part No.ACM1513-551-2PL-TL
BrandTDK
SGD3.01
Each
units
- 10A 1513 15mm - 6mm 6mm - 15 x 13 x 6mm - - 4mΩ ACM -
RS Stock No. 170-3325
Mfr. Part No.VLS3015ET-4R7M
BrandTDK
SGD0.329
Each (On a Reel of 2000)
units
4.7 μH 1.35A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 136mΩ VLS-E Ferrite
RS Stock No. 548-2996
Mfr. Part No.NLV32T-5R6J-PF
BrandTDK
SGD0.396
Each (In a Pack of 25)
units
5.6 μH 200mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 1.6Ω NLV-PF -
RS Stock No. 741-3282
Mfr. Part No.RLF7030T-2R2M5R4-PF
BrandTDK
SGD2.07
Each
units
2.2 μH 5.5A 7030 7.3mm - 6.8mm 3.2mm - 7.3 x 6.8 x 3.2mm Yes ±20% 12mΩ RLF7030 -
RS Stock No. 108-4662
Mfr. Part No.ACM2520-801-3P-T
BrandTDK
SGD0.641
Each (On a Reel of 2000)
units
- 150mA 2520 2.5mm - 2mm 1.2mm - 2.5 x 2 x 1.2mm - - 1.6Ω ACM Ferrite
RS Stock No. 124-6987
Mfr. Part No.SPM3015T-1R5M-LR
BrandTDK
SGD0.811
Each (On a Reel of 2000)
units
1.5 μH 3.3A 3015 3.2mm - 3mm 1.5mm - 3.2 x 3 x 1.5mm Yes ±20% 62.4mΩ SPM-LR Metal
RS Stock No. 916-4308
Mfr. Part No.VLS3015ET-4R7M
BrandTDK
SGD0.435
Each (In a Pack of 10)
units
4.7 μH 1.35A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 136mΩ VLS-E Ferrite
RS Stock No. 916-4217
Mfr. Part No.SLF10145T-220M1R9-PF
BrandTDK
SGD1.087
Each (In a Pack of 10)
units
22 μH 2.1A 10145 10.1mm - 10.1mm 4.5mm - 10.1 x 10.1 x 4.5mm Yes ±20% 59.1mΩ SLF Ferrite