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. 800-8166
Mfr. Part No.7440690068
MYR7.36
Each
units
6.8 μH 1.75A 8015 8mm - 1.35mm 8mm - 8 x 8 x 1.35mm Yes ±20% 110mΩ WE-TPC Ferrite
RS Stock No. 789-7160
Mfr. Part No.744777920
MYR9.42
Each
units
100 μH 790mA - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 380mΩ WE-PD -
RS Stock No. 169-9686
Mfr. Part No.DRA125-820-R
MYR5.783
Each (On a Reel of 600)
units
82 μH 2.406A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 135mΩ DRA Ferrite
RS Stock No. 163-4865
Mfr. Part No.7440690068
MYR4.79
Each (On a Reel of 550)
units
6.8 μH 1.75A 8015 8mm - 1.35mm 8mm - 8 x 8 x 1.35mm Yes ±20% 110mΩ WE-TPC Ferrite
RS Stock No. 871-2051
Mfr. Part No.LQH5BPN100MT0L
BrandMurata
MYR1.81
Each (In a Bag of 10)
units
10 μH 1.6 (Temperature Rise) A, 2 (Inductance Change) A 5050 5mm - 5mm 2mm - 5 x 5 x 2mm Yes - 106mΩ LQH5BPN Ferrite
RS Stock No. 863-0791
Mfr. Part No.74438336010
MYR5.93
Each (In a Bag of 5)
units
1 μH 4A 3020 3mm - 3mm 2mm - 3 x 3 x 2mm Yes ±20% 32mΩ WE-MAPI Magnetic Iron Alloy
RS Stock No. 167-4938
Mfr. Part No.LQH5BPN100MT0L
BrandMurata
MYR0.963
Each (On a Reel of 500)
units
10 μH 1.6 (Temperature Rise) A, 2 (Inductance Change) A 5050 5mm - 5mm 2mm - 5 x 5 x 2mm Yes - 106mΩ LQH5BPN Ferrite
RS Stock No. 748-7423
Mfr. Part No.IHLP5050FDER1R0M01
BrandVishay
MYR21.82
Each
units
1 μH 32A 5050 13.2mm - 12.9mm 6.5mm - 13.2 x 12.9 x 6.5mm Yes ±20% 2mΩ IHLP Metal Composite
RS Stock No. 725-4829
Mfr. Part No.LQG15HN10NJ02D
BrandMurata
MYR0.267
Each (In a Pack of 10)
units
10 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 350mΩ LQG15H -
RS Stock No. 813-5674
Mfr. Part No.SRN5040-4R7M
BrandBourns
MYR1.323
Each (In a Bag of 10)
units
4.7 μH 3.1A - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% 35mΩ SRN5040 Ferrite
RS Stock No. 170-3284
Mfr. Part No.NL453232T-470J-PF
BrandTDK
MYR0.924
Each (On a Reel of 500)
units
47 μH 140mA 4532 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - - NL Ferrite
RS Stock No. 169-9648
Mfr. Part No.DR73-101-R
MYR2.698
Each (On a Reel of 1350)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 800-7973
Mfr. Part No.744043331
MYR7.48
Each
units
330 μH 285mA 4828 4.8mm - 2.8mm 4.8mm - 4.8 x 4.8 x 2.8mm Yes ±30% 1.7Ω WE-TPC Ferrite
RS Stock No. 770-1072
Mfr. Part No.DR73-101-R
MYR4.998
Each (In a Bag of 5)
units
100 μH 790mA 73 7.6mm - 7.6mm 3.55mm - 7.6 x 7.6 x 3.55mm Yes ±20% 527mΩ DR73/74/125/127 Ferrite
RS Stock No. 743-5181
Mfr. Part No.SRN8040-330M
BrandBourns
MYR2.52
Each (In a Bag of 10)
units
33 μH 1.9A 8040 8mm - 8mm 4mm - 8 x 8 x 4mm Yes ±20% 145mΩ SRN8040 Ferrite
RS Stock No. 124-8163
Mfr. Part No.LQG15HS12NJ02D
BrandMurata
MYR0.149
Each (In a Pack of 500)
units
12 nH 300mA 1005 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±5% 280mΩ LQG15HS Non-Magnetic Ceramic
RS Stock No. 727-2303
Mfr. Part No.SRR1210-680M
BrandBourns
MYR4.42
Each (In a Pack of 5)
units
68 μH 3A 1210 (3225M) 12mm - 12mm 10mm - 12 x 12 x 10mm Yes ±20% 102mΩ SRR1210 Ferrite
RS Stock No. 163-4810
Mfr. Part No.744043331
MYR2.889
Each (On a Reel of 500)
units
330 μH 285mA 4828 4.8mm - 2.8mm 4.8mm - 4.8 x 4.8 x 2.8mm Yes ±30% 1.7Ω WE-TPC Ferrite
RS Stock No. 163-3235
Mfr. Part No.744231121
MYR2.881
Each (On a Reel of 2000)
units
- 370mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm - ±25% 300mΩ WE-CNSW SMD Ferrite
RS Stock No. 167-5680
Mfr. Part No.LQG15HN10NJ02D
BrandMurata
MYR0.081
Each (On a Reel of 10000)
units
10 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 350mΩ LQG15H -