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 163-3327
製造零件編號744770115
HK$21.785
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15 μH 5A - 12mm - 12mm 8mm - 12 x 12 x 8mm Yes ±20% 27mΩ WE-PD Ferrite
RS庫存編號 333-8588
製造零件編號744770115
HK$18.93
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15 μH 5A - 12mm - 12mm 8mm - 12 x 12 x 8mm Yes ±20% 27mΩ WE-PD Ferrite
RS庫存編號 724-2945
製造零件編號LQW18AN27NG00D
BrandMurata
HK$1.458
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27 nH 440mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±2% 210mΩ LQW18A -
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 692-0688
製造零件編號SRU1048-331Y
BrandBourns
HK$5.79
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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 748-7274
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$13.23
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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-4040DZ-11 Metal Composite
RS庫存編號 166-7166
製造零件編號ELL8TP151MB
BrandPanasonic
HK$4.94
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150 μH 800mA ELL8TP 8mm - 8mm 4.7mm - 8 x 8 x 4.7mm Yes ±20% 340mΩ ELL8TP Metal Composite
RS庫存編號 181-6334
製造零件編號SDR0503-102KL
BrandBourns
HK$2.01
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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 162-1450
製造零件編號B82422A3681K100
BrandEPCOS
HK$3,679.49
毎卷:2000 個
Reel(s)
680 nH 145mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 2.4Ω SIMID Ceramic
RS庫存編號 574-188
製造零件編號ELLCTV150M
BrandPanasonic
HK$13.874
/個 (每包:5個)
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15 μH 3.1A - 12mm - 12mm 4.5mm - 12 x 12 x 4.5mm Yes ±20% 25mΩ ELLCTV Metal Composite
RS庫存編號 172-8630
製造零件編號SRP1265A-4R7M
BrandBourns
HK$6.16
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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% - SRP1265A Carbonyl Powder
RS庫存編號 813-5700
製造零件編號SRN5040-470M
BrandBourns
HK$2.255
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47 μH 900mA - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% 324mΩ SRN5040 Ferrite
RS庫存編號 725-5336
製造零件編號LQH55DN6R8M03L
BrandMurata
HK$14.22
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 724-3027
製造零件編號LQW18AN8N2D10D
BrandMurata
HK$1.458
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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 172-7200
製造零件編號SRR1806-150M
BrandBourns
HK$4.45
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15 μH 7.2A 1806 18.3mm - 14mm 6.8mm - 18.3 x 14 x 6.8mm Yes ±20% - SRR1806 Ferrite
RS庫存編號 727-2031
製造零件編號SRR4028-470Y
BrandBourns
HK$5.13
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47 μH 750mA 4028 4.8mm - 4.8mm 2.8mm - 4.8 x 4.8 x 2.8mm Yes ±30% 280mΩ SRR4028 Ferrite
RS庫存編號 743-5119
製造零件編號SRN6045-6R8Y
BrandBourns
HK$2.521
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6.8 μH 3.8A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±30% 47mΩ SRN6045 Ferrite
RS庫存編號 903-9543
製造零件編號VLF403215MT-100M
BrandTDK
HK$6.05
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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 173-2772
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$11.30
個 (在毎卷:500)
單位
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 125-3127
製造零件編號LQH32CN470K23L
BrandMurata
HK$1,564.27
毎卷:2000 個
Reel(s)
47 μH 170mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 1.3Ω LQH32CN -