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. 548-2772
Mfr. Part No.NLV32T-1R0J-PF
BrandTDK
SGD0.252
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. 108-4666
Mfr. Part No.NLV32T-1R0J-PF
BrandTDK
SGD0.129
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. 916-4169
Mfr. Part No.ACT45B-220-2P-TL
BrandTDK
SGD2.004
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. 109-4991
Mfr. Part No.CLF6045T-220M-D
BrandTDK
SGD0.781
Each (On a Reel of 1000)
units
22 μH 1.7A Q200 6.2mm - 5.9mm 4.5mm - 6.2 x 5.9 x 4.5mm Yes ±20% 78mΩ CLF Ferrite
RS Stock No. 548-2974
Mfr. Part No.NLV32T-4R7J-PF
BrandTDK
SGD0.241
Each (In a Pack of 25)
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. 831-9276
Mfr. Part No.ACP3225-501-2P-T000
BrandTDK
SGD1.918
Each (In a Bag of 5)
units
- 2A 3225 3.2mm - 2.5mm 1.9mm - 3.2 x 2.5 x 1.9mm Yes - 40mΩ ACP -
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. 108-4726
Mfr. Part No.SLF6028T-100M1R3-PF
BrandTDK
SGD0.622
Each (On a Reel of 1000)
units
10 μH 1.8A - - - - - - - - ±20% 53.2mΩ SLF -
RS Stock No. 604-4371
Mfr. Part No.SLF12575T-330M3R2-PF
BrandTDK
SGD2.782
Each (In a Pack of 5)
units
33 μH 3.4A - 12.5mm - 12.5mm 7.5mm - 12.5 x 12.5 x 7.5mm Yes ±20% 39.5mΩ - -
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. 108-4729
Mfr. Part No.ACM4520-142-2P-T
BrandTDK
SGD0.967
Each (On a Reel of 800)
units
- 1.5A 4520 4.7mm - 4.5mm 2mm - 4.7 x 4.5 x 2mm - - - ACM -
RS Stock No. 547-4664
Mfr. Part No.ACM1513-551-2PL-TL
BrandTDK
SGD3.09
Each
units
- 10A 1513 15mm - 6mm 6mm - 15 x 13 x 6mm - - 4mΩ ACM -
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. 108-4674
Mfr. Part No.NLV32T-5R6J-PF
BrandTDK
SGD0.128
Each (On a Reel of 2000)
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. 643-9189
Mfr. Part No.ACM4520-142-2P
BrandTDK
SGD2.126
Each (In a Pack of 5)
units
- - - 4.5mm - 4.7mm 2mm - 4.5 x 4.7 x 2mm - - - - -
RS Stock No. 170-3295
Mfr. Part No.SLF10145T-220M1R9-PF
BrandTDK
SGD0.793
Each (On a Reel of 500)
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
RS Stock No. 170-3298
Mfr. Part No.SLF12575T-330M3R2-PF
BrandTDK
SGD1.313
Each (On a Reel of 500)
units
33 μH 3.4A 12575 12.5mm - 12.5mm 7.5mm - 12.5 x 12.5 x 7.5mm Yes ±20% 39.5mΩ SLF Ferrite
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. 795-8347
Mfr. Part No.CLF6045T-220M-D
BrandTDK
SGD1.806
Each (In a Bag of 5)
units
22 μH 1.7A Q200 6.2mm - 5.9mm 4.5mm - 6.2 x 5.9 x 4.5mm Yes ±20% 78mΩ CLF Ferrite