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. 166-9884
Mfr. Part No.LQW18CNR27J00D
BrandMurata
HK$6,240.00
1 Reel of 4000
Reel(s)
270 nH 750mA 1608 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 160mΩ LQW18CN_00 Ferrite
RS Stock No. 469-2776
Mfr. Part No.LQH32CN1R0M23L
BrandMurata
HK$2.102
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. 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. 396-3493
Mfr. Part No.7445720
HK$19.26
Each (In a Pack of 2)
units
100 μH 2A - 22mm - 15mm 7mm - 22 x 15 x 7mm No ±10% 202mΩ WE-PD4 Ferrite
RS Stock No. 106-8882
Mfr. Part No.50105C
HK$7.32
Each (On a Reel of 1000)
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. 172-8509
Mfr. Part No.SRU1048-3R0Y
BrandBourns
HK$5.187
Each (On a Reel of 600)
units
3 μH 6.2A 1048 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% - SRU1048 Ferrite
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. 166-9674
Mfr. Part No.LQH32CN1R0M23L
BrandMurata
HK$1,882.00
1 Reel of 2000
Reel(s)
1 μH 800mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±20% 90mΩ LQH32CN -
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. 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. 161-8070
Mfr. Part No.LQG15HS2N7S02D
BrandMurata
HK$1,034.04
1 Reel of 10000
Reel(s)
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. 163-3326
Mfr. Part No.74477010
HK$22.885
Each (On a Reel of 500)
units
10 μH 6.2A - 12mm - 12mm 8mm - 12 x 12 x 8mm Yes ±20% 22mΩ WE-PD Ferrite
RS Stock No. 163-4230
Mfr. Part No.744778002
HK$13.35
Each (On a Reel of 1000)
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. 167-0306
Mfr. Part No.B82432T1333K000
BrandEPCOS
HK$7,800.00
1 Reel of 2500
Reel(s)
33 μH 400mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 1.2Ω SIMID Ferrite
RS Stock No. 748-6915
Mfr. Part No.IHLP2020CZER4R7M01
BrandVishay
HK$8.422
Each (In a Bag of 5)
units
4.7 μH 3.5A 2020 5.49mm - 5.18mm 3mm - 5.49 x 5.18 x 3mm Yes ±20% 77.5mΩ IHLP-2020AB-01 Metal Composite
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. 162-0071
Mfr. Part No.36502C103JTDG
HK$2,067.11
1 Reel of 2000
Reel(s)
10 μH 150mA 1008 2.92mm - 2.79mm 2.1mm - 2.92 x 2.79 x 2.1mm - ±5% 3650 -
RS Stock No. 163-3575
Mfr. Part No.744029100
HK$9,900.00
1 Reel of 1200
Reel(s)
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. 333-8572
Mfr. Part No.74477010
HK$18.74
Each
units
10 μH 6.2A - 12mm - 12mm 8mm - 12 x 12 x 8mm Yes ±20% 22mΩ WE-PD Ferrite
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
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