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 167-5714
製造零件編號LQW18AN27NG00D
BrandMurata
HK$5,492.82
毎卷:4000 個
Reel(s)
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 122-9197
製造零件編號5258-RC
BrandBourns
HK$11.565
/個 (每包:2個)
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1 mH 1.1A - - - - 31.75mm 12.7mm 12.7 (Dia.) x 31.75mm - - 550mΩ 5200 Ferrite
RS庫存編號 724-1643
製造零件編號BNX022-01L
BrandMurata
HK$37.77
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- 10A - 12.1mm - 9.1mm 3.1mm - 12.1 x 9.1 x 3.1mm - - 430µΩ BNX02 -
RS庫存編號 163-3327
製造零件編號744770115
HK$24.206
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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 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 172-8630
製造零件編號SRP1265A-4R7M
BrandBourns
HK$10.374
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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 163-3602
製造零件編號744053220
HK$12.702
個 (在毎卷:400)
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22 μH 1.15A 5828 5.8mm - 5.8mm 2.8mm - 5.8 x 5.8 x 2.8mm Yes ±30% 120mΩ WE-TPC Ferrite
RS庫存編號 496-1498
製造零件編號B82472G4103M000
BrandEPCOS
HK$14.08
/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 469-2805
製造零件編號LQH32CN220K23L
BrandMurata
HK$3.79
/個 (每包:20個)
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 167-5578
製造零件編號LQH55DN6R8M03L
BrandMurata
HK$9.45
個 (在毎卷:350)
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 167-5734
製造零件編號LQW18AN8N2D10D
BrandMurata
HK$5,352.32
毎卷:4000 個
Reel(s)
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 181-6334
製造零件編號SDR0503-102KL
BrandBourns
HK$2.99
個 (在毎卷:500)
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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 481-1898
製造零件編號LQH32CN101K23L
BrandMurata
HK$2.57
/個 (每包:20個)
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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 367-4424
製造零件編號74476620
HK$5.282
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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 172-9896
製造零件編號PM2120-221K-RC
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HK$24.70
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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 108-4740
製造零件編號SLF12555T-102MR34-PF
BrandTDK
HK$5.094
個 (在毎卷:500)
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
RS庫存編號 748-7564
製造零件編號IHLP6767GZER150M01
BrandVishay
HK$34.19
單位
15 μH 12.5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 19.9mΩ IHLP-6767GZ-01 Metal Composite
RS庫存編號 122-9178
製造零件編號SDR0503-102KL
BrandBourns
HK$2.921
/個 (每包:10個)
單位
1 mH 110mA 0503 - - - 3mm 5mm 5 (Dia.) x 3mm - ±10% 11.5Ω SDR0503 Ferrite
RS庫存編號 166-9815
製造零件編號LQW2UASR33J00L
BrandMurata
HK$2,140.01
毎卷:2000 個
Reel(s)
330 nH 450mA 2520 2.62mm - 2.45mm 1.83mm - 2.62 x 2.45 x 1.83mm - ±5% 1.05Ω LQW2UAS_00 Non-Magnetic Core
RS庫存編號 496-1959
製造零件編號B82477G4333M000
BrandEPCOS
HK$17.55
單位
33 μH 3A - 12.8mm - 12.8mm 8mm - 12.8 x 12.8 x 8mm Yes ±20% 53mΩ B82477-G4 Ferrite