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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RS庫存編號 367-4424
製造零件編號74476620
HK$4.67
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100 μH 110mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±10% WE-GF Ferrite
RS庫存編號 905-5024
製造零件編號82223C
HK$2.70
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22 μH 320mA - 2.5mm - 3.2mm 2mm - 2.5 x 3.2 x 2mm - - 920mΩ 8200 -
RS庫存編號 724-1643
製造零件編號BNX022-01L
BrandMurata
HK$51.60
單位
- 10A - 12.1mm - 9.1mm 3.1mm - 12.1 x 9.1 x 3.1mm - - 430µΩ BNX02 -
RS庫存編號 173-2772
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$11.30
個 (在毎卷:500)
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100 μH 2.5A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% 270mΩ IHLP Metal Composite
RS庫存編號 819-3517
製造零件編號SRP1265A-4R7M
BrandBourns
HK$11.022
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4.7 μH 13.5A 1265 13.5mm AEC-Q200 12.5mm 6.2mm - 13.5 x 12.5 x 6.2mm Yes ±20% 8.4mΩ SRP1265A Carbonyl Powder
RS庫存編號 903-9543
製造零件編號VLF403215MT-100M
BrandTDK
HK$16.17
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10 μH 1A 403215 4mm - 3.2mm 1.5mm - 4 x 3.2 x 1.5mm Yes - 180mΩ VLF-M Ferrite
RS庫存編號 167-5734
製造零件編號LQW18AN8N2D10D
BrandMurata
HK$0.524
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8.2 nH 800mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±0.5nH 58mΩ LQW18A -
RS庫存編號 736-1090
製造零件編號PM2120-221K-RC
BrandBourns
HK$26.82
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220 μH 5A 2120 30.5mm - 25.4mm 21.08mm - 30.5 x 25.4 x 21.08mm - ±10% 52mΩ PM2120 Iron
RS庫存編號 725-5336
製造零件編號LQH55DN6R8M03L
BrandMurata
HK$14.46
單位
6.8 μH 2A 2220 (5650M) 5.7mm - 5mm 4.7mm - 5.7 x 5 x 4.7mm - ±20% 74mΩ LQH55D -
RS庫存編號 469-2805
製造零件編號LQH32CN220K23L
BrandMurata
HK$2.532
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22 μH 250mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 710mΩ LQH32CN -
RS庫存編號 496-1498
製造零件編號B82472G4103M000
BrandEPCOS
HK$11.196
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10 μH 1.7A - 7.3mm - 7.3mm 3.3mm - 7.3 x 7.3 x 3.3mm Yes ±20% 80mΩ B82472-G4 Ferrite
RS庫存編號 163-3321
製造零件編號74476620
HK$3.95
個 (在毎卷:500)
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100 μH 110mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±10% WE-GF Ferrite
RS庫存編號 692-0688
製造零件編號SRU1048-331Y
BrandBourns
HK$5.90
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330 μH 650mA - 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% 490mΩ SRU1048 Ferrite
RS庫存編號 172-9754
製造零件編號SRR1208-330YL
BrandBourns
HK$3.96
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33 μH 2.8A - 12.7mm - 12.7mm 8.5mm - 12.7 x 12.7 x 8.5mm Yes ±15% 62mΩ SRR1208 Ferrite
RS庫存編號 181-6888
製造零件編號SDR0503-102KL
BrandBourns
HK$2.40
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1 mH 110mA SMD - - - 3mm 5mm 5 Dia. x 3mm - ±10% 11.5Ω SDR0503 Ferrite DR
RS庫存編號 172-9896
製造零件編號PM2120-221K-RC
BrandBourns
HK$24.585
個 (以毎袋:77)
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220 μH 5A 2120 30.5mm - 25.4mm 21.08mm - 30.5 x 25.4 x 21.08mm - ±10% 52mΩ PM2120 Iron
RS庫存編號 169-9626
製造零件編號DR125-470-R
HK$10.997
個 (在毎卷:600)
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47 μH 3.24A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 74mΩ DR73/74/125/127 Ferrite
RS庫存編號 173-0649
製造零件編號IHLP6767GZER150M01
BrandVishay
HK$25.67
個 (在毎卷:200)
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15 μH 12.5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 19.9mΩ IHLP Metal Composite
RS庫存編號 125-3127
製造零件編號LQH32CN470K23L
BrandMurata
HK$0.907
個 (在毎卷:2000)
單位
47 μH 170mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 1.3Ω LQH32CN -
RS庫存編號 786-9522
製造零件編號SLF12555T-102MR34-PF
BrandTDK
HK$13.69
個 (以毎袋:5)
單位
1 mH 600mA - 12.5mm - 12.5mm 5.5mm - 12.5 x 12.5 x 5.5mm Yes ±20% 1.12Ω SLF Ferrite