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 172-7253
製造零件編號SRP1265A-6R8M
BrandBourns
HK$5.706
個 (在毎卷:500)
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6.8 μH 11.5A 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 169-9626
製造零件編號DR125-470-R
HK$9.435
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 172-8348
製造零件編號SRN3015-4R7M
BrandBourns
HK$1.37
個 (在毎卷:2000)
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4.7 μH 1.4A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% - SRN3015 Ferrite
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 144-9823
製造零件編號744777122
HK$13.40
個 (在毎卷:1000)
單位
22 μH 1.41A - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 110mΩ WE-PD Ferrite
RS庫存編號 481-1898
製造零件編號LQH32CN101K23L
BrandMurata
HK$2.575
/個 (每包:20個)
單位
100 μH 100mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 3.5Ω LQH32CN -
RS庫存編號 496-1498
製造零件編號B82472G4103M000
BrandEPCOS
HK$9.918
/個 (每包:5個)
單位
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 724-2945
製造零件編號LQW18AN27NG00D
BrandMurata
HK$1.46
/個 (每包:10個)
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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 181-6334
製造零件編號SDR0503-102KL
BrandBourns
HK$2.07
個 (在毎卷:500)
單位
1 mH 110mA SMD - - - 3mm 5mm 5 Dia. x 3mm - ±10% 11.5Ω SDR0503 Ferrite DR
RS庫存編號 905-5024
製造零件編號82223C
HK$2.782
個 (以毎袋:5)
單位
22 μH 320mA - 2.5mm - 3.2mm 2mm - 2.5 x 3.2 x 2mm - - 920mΩ 8200 -
RS庫存編號 469-2811
製造零件編號LQH32CN470K23L
BrandMurata
HK$2.448
/個 (每包:20個)
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 748-7274
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$29.53
個 (以毎袋:5)
單位
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 172-9896
製造零件編號PM2120-221K-RC
BrandBourns
HK$19.186
個 (以毎袋:77)
單位
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 496-1959
製造零件編號B82477G4333M000
BrandEPCOS
HK$12.97
單位
33 μH 3A - 12.8mm - 12.8mm 8mm - 12.8 x 12.8 x 8mm Yes ±20% 53mΩ B82477-G4 Ferrite
RS庫存編號 172-7073
製造零件編號SRN5040-470M
BrandBourns
HK$1.329
個 (在毎卷:1000)
單位
47 μH 900mA - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% - SRN5040 Ferrite
RS庫存編號 724-1643
製造零件編號BNX022-01L
BrandMurata
HK$53.15
單位
- 10A - 12.1mm - 9.1mm 3.1mm - 12.1 x 9.1 x 3.1mm - - 430µΩ BNX02 -
RS庫存編號 172-9754
製造零件編號SRR1208-330YL
BrandBourns
HK$4.079
個 (在毎卷:400)
單位
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 173-2772
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$10.198
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 166-9890
製造零件編號LQH32CN220K23L
BrandMurata
HK$0.901
個 (在毎卷:2000)
單位
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 172-8630
製造零件編號SRP1265A-4R7M
BrandBourns
HK$6.345
個 (在毎卷:500)
單位
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