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. 167-5013
Mfr. Part No.LQW2BASR39J00L
BrandMurata
HK$0.71
Each (On a Reel of 2000)
units
390 nH 290mA 0805 (2012M) 2.09mm - 1.53mm 1.42mm - 2.09 x 1.53 x 1.42mm Yes ±5% 1.5Ω LQW Non-Magnetic Core
RS Stock No. 744-4797
Mfr. Part No.744053150
HK$11.996
Each (In a Bag of 5)
units
15 μH 1.38A 5828 5.8mm - 5.8mm 2.8mm - 5.8 x 5.8 x 2.8mm Yes ±30% 100mΩ WE-TPC Ferrite
RS Stock No. 163-4039
Mfr. Part No.744053150
HK$9.16
Each (On a Reel of 400)
units
15 μH 1.38A 5828 5.8mm - 5.8mm 2.8mm - 5.8 x 5.8 x 2.8mm Yes ±30% 100mΩ WE-TPC Ferrite
RS Stock No. 874-9687
Mfr. Part No.DR331-105BE
BrandBourns
HK$7.212
Each (In a Bag of 5)
units
1 mH 500mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - 400mΩ DR331 Ferrite
RS Stock No. 333-8500
Mfr. Part No.74477120
HK$19.49
Each
units
100 μH 1.53A - 12mm - 12mm 6mm - 12 x 12 x 6mm Yes ±20% 160mΩ WE-PD Ferrite
RS Stock No. 163-3331
Mfr. Part No.74477120
HK$20.582
Each (On a Reel of 500)
units
100 μH 1.53A - 12mm - 12mm 6mm - 12 x 12 x 6mm Yes ±20% 160mΩ WE-PD Ferrite
RS Stock No. 172-8525
Mfr. Part No.DR331-105BE
BrandBourns
HK$3.24
Each (On a Reel of 1500)
units
1 mH 500mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - - DR331 Ferrite
RS Stock No. 839-0976
Mfr. Part No.LQW2BASR39J00L
BrandMurata
HK$1.774
Each (In a Bag of 10)
units
390 nH 290mA 0805 (2012M) 2.09mm - 1.53mm 1.42mm - 2.09 x 1.53 x 1.42mm Yes ±5% 1.5Ω LQW Non-Magnetic Core
RS Stock No. 163-3284
Mfr. Part No.7445720
HK$14.891
Each (On a Reel of 250)
units
100 μH 2A - 22mm - 15mm 7mm - 22 x 15 x 7mm No ±10% 202mΩ WE-PD4 Ferrite
RS Stock No. 669-0179
Mfr. Part No.744029100
HK$12.03
Each (In a Pack of 5)
units
10 μH 750mA 2813 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 470mΩ WE-TPC Ferrite
RS Stock No. 532-4222
Mfr. Part No.36502C103JTDG
HK$1.88
Each (In a Pack of 10)
units
10 μH 150mA 1008 2.92mm - 2.79mm 2.1mm - 2.92 x 2.79 x 2.1mm - ±5% 3650 -
RS Stock No. 748-7631
Mfr. Part No.IHLP6767GZER101M11
BrandVishay
HK$49.14
Each
units
100 μH 5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 110mΩ IHLP-6767GZ-11 Metal Composite
RS Stock No. 715-7087
Mfr. Part No.50105C
HK$9.93
Each
units
1 mH 700mA - 9.3mm - 5.9mm 4.4mm - 9.3 x 5.9 x 4.4mm - -30 → +50% 300mΩ 5000 -
RS Stock No. 644-2573
Mfr. Part No.VLF12060T-101M1R9
BrandTDK
HK$28.30
Each (In a Pack of 5)
units
100 μH 2A - 12mm - 11.7mm 6mm - 12 x 11.7 x 6mm Yes ±20% 152mΩ - -
RS Stock No. 792-6347
Mfr. Part No.LQG15HS2N7S02D
BrandMurata
HK$0.34
Each (In a Bag of 250)
units
2.7 nH 300mA 0402 (1005M) 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±0.3nH 150mΩ LQG15HS -
RS Stock No. 469-2776
Mfr. Part No.LQH32CN1R0M23L
BrandMurata
HK$2.58
Each (In a Pack of 20)
units
1 μH 800mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±20% 90mΩ LQH32CN -
RS Stock No. 744-4915
Mfr. Part No.744778002
HK$19.786
Each (In a Bag of 5)
units
2.2 μH 4.8A 7332 7.3mm - 7.3mm 3.2mm - 7.3 x 7.3 x 3.2mm Yes ±20% 20mΩ WE-PD Ferrite
RS Stock No. 167-4075
Mfr. Part No.LQH32CN3R3M53L
BrandMurata
HK$1.071
Each (On a Reel of 2000)
units
3.3 μH 710mA 1210 (3225M) 3.2mm - 2.5mm 1.55mm - 3.2 x 2.5 x 1.55mm - ±20% 156mΩ LQH32C Ferrite
RS Stock No. 725-5862
Mfr. Part No.SRU1048-3R0Y
BrandBourns
HK$5.90
Each
units
3 μH 6.2A 1048 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% 7.2mΩ SRU1048 Ferrite
RS Stock No. 396-3493
Mfr. Part No.7445720
HK$28.485
Each (In a Pack of 2)
units
100 μH 2A - 22mm - 15mm 7mm - 22 x 15 x 7mm No ±10% 202mΩ WE-PD4 Ferrite
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