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. 749-8555
Mfr. Part No.ELLATP470MB
BrandPanasonic
MYR6.492
Each (In a Bag of 5)
units
47 μH 1.7A ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±20% 80mΩ ELLATP -
RS Stock No. 770-1725
Mfr. Part No.DRA125-820-R
MYR8.084
Each (In a Bag of 5)
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. 163-5087
Mfr. Part No.7447779115
MYR8,290.04
1 Reel of 1000
Reel(s)
15 μH 1.6A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 81mΩ WE-PD -
RS Stock No. 181-6882
Mfr. Part No.SDR0805-2R5ML
BrandBourns
MYR2.23
Each (On a Reel of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 743-5181
Mfr. Part No.SRN8040-330M
BrandBourns
MYR1.898
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. 727-2303
Mfr. Part No.SRR1210-680M
BrandBourns
MYR3.554
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. 167-5680
Mfr. Part No.LQG15HN10NJ02D
BrandMurata
MYR1,335.36
1 Reel of 10000
Reel(s)
10 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 350mΩ LQG15H -
RS Stock No. 163-4865
Mfr. Part No.7440690068
MYR5.362
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. 863-0791
Mfr. Part No.74438336010
MYR4.882
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. 909-7902
Mfr. Part No.1624097-1
MYR28.37
Each
units
10 μH 620mA - 13mm - 5mm 5.3mm - 13 x 5 x 5.3mm - - 600mΩ 3615 Iron
RS Stock No. 604-2870
Mfr. Part No.NL453232T-470J-PF
BrandTDK
MYR1.101
Each (In a Pack of 10)
units
47 μH 140mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±5% - -
RS Stock No. 825-1899
Mfr. Part No.SRP4020TA-3R3M
BrandBourns
MYR4.716
Each (In a Bag of 5)
units
3.3 μH 3.5A 4020 4.45mm AEC-Q200 4.06mm 1.8mm - 4.45 x 4.06 x 1.8mm Yes ±20% 76mΩ SRP4020TA Carbonyl Powder
RS Stock No. 167-5687
Mfr. Part No.LQG15HS18NJ02D
BrandMurata
MYR0.134
Each (On a Reel of 10000)
units
18 nH 300mA 0402 (1005M) - - - - - 1 x 0.5 x 0.5mm - ±5% 360mΩ LQG15H -
RS Stock No. 871-2051
Mfr. Part No.LQH5BPN100MT0L
BrandMurata
MYR1.814
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. 167-4869
Mfr. Part No.LQP03TN2N0B02D
BrandMurata
MYR2,318.37
1 Reel of 15000
Reel(s)
2 nH 600mA 0201 (0603M) 0.6mm - 0.3mm 0.3mm - 0.6 x 0.3 x 0.3mm Yes ±0.1nH 150mΩ LQP Non-Magnetic Core
RS Stock No. 169-9648
Mfr. Part No.DR73-101-R
MYR3.687
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. 124-8163
Mfr. Part No.LQG15HS12NJ02D
BrandMurata
MYR0.13
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. 163-7441
Mfr. Part No.74438336010
MYR4,918.47
1 Reel of 1000
Reel(s)
1 μH 4A 3020 3mm - 3mm 2mm - 3 x 3 x 2mm Yes ±20% 32mΩ WE-MAPI Magnetic Iron Alloy
RS Stock No. 532-3976
Mfr. Part No.36502CR36JTDG
MYR1.695
Each (In a Pack of 10)
units
360 nH 470mA 1008 2.92mm - 2.79mm 2.1mm - 2.92 x 2.79 x 2.1mm - ±5% 1.1Ω 3650 -
RS Stock No. 644-4484
Mfr. Part No.NLC453232T-100K-PF
BrandTDK
MYR1.05
Each (In a Pack of 10)
units
10 μH 550mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±10% 500mΩ - -
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