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 172-8491
製造零件編號SRU6025-101Y
BrandBourns
HK$3.03
個 (在毎卷:600)
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100 μH 700mA - 6.5mm - 6.2mm 2.5mm - 6.5 x 6.2 x 2.5mm Yes ±30% - SRU6025 Ferrite
RS庫存編號 172-7730
製造零件編號IHLP4040DZER470M11
BrandVishay
HK$11.721
個 (在毎卷:500)
單位
47 μH 3.3A 4040 10.92mm - 10.3mm 4mm - 10.92 x 10.3 x 4mm Yes ±20% - IHLP Metal Composite
RS庫存編號 725-5049
製造零件編號LQH32CN100K33L
BrandMurata
HK$2.52
/個 (每包:10個)
單位
10 μH 450mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 300mΩ LQH32CN -
RS庫存編號 786-9569
製造零件編號SLF12555T-680M1R3-PF
BrandTDK
HK$13.95
個 (以毎袋:5)
單位
68 μH 2.2A - 12.5mm - 12.5mm 5.5mm - 12.5 x 12.5 x 5.5mm Yes ±20% 83.2mΩ SLF Ferrite
RS庫存編號 787-0477
製造零件編號VLS4012ET-2R2M
BrandTDK
HK$5.22
個 (以毎袋:5)
單位
2.2 μH 2.2A 4 x 4 4mm - 4mm 1.2mm - 4 x 4 x 1.2mm Yes ±20% 81mΩ VLS-E Ferrite
RS庫存編號 173-1423
製造零件編號IHLP1212BZER2R2M11
BrandVishay
HK$4.748
個 (在毎卷:3000)
單位
2.2 μH 3A 1212 3.6mm - 3mm 2mm - 3.6 x 3 x 2mm Yes ±20% 46mΩ IHLP Metal Composite
RS庫存編號 166-9623
製造零件編號LQH43MN470J03L
BrandMurata
HK$2.11
個 (在毎卷:500)
單位
47 μH 220mA 1812 (4532M) 4.5mm - 3.2mm 2.6mm - 4.5 x 3.2 x 2.6mm - ±5% 1.5Ω LQH43MN Ferrite
RS庫存編號 532-3588
製造零件編號36502AR56JTDG
HK$3.56
/個 (每包:10個)
單位
560 nH 210mA 0805 (2012M) 2.29mm - 1.73mm 1.52mm - 2.29 x 1.73 x 1.52mm - ±5% 1.9Ω 3650 -
RS庫存編號 173-3712
製造零件編號IHLP2525CZER220M11
BrandVishay
HK$5.64
個 (在毎卷:2000)
單位
22 μH 2.9A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 135mΩ IHLP Metal Composite
RS庫存編號 163-9519
製造零件編號36502CR47JTDG
HK$1.27
個 (在毎卷:2000)
單位
470 nH 470mA 1008 2.92mm - 2.79mm 2.1mm - 2.92 x 2.79 x 2.1mm - ±5% 1.19Ω 3650 -
RS庫存編號 874-9804
製造零件編號SDR0603-100ML
BrandBourns
HK$3.11
個 (以毎袋:10)
單位
10 μH 1.4A E12 - - - 3.9mm 5.8mm 5.8 (Dia.) x 3.9mm - - 150mΩ SDR0603 Ferrite DR
RS庫存編號 108-4730
製造零件編號ACM4520-901-2P-T
BrandTDK
HK$5.818
個 (在毎卷:800)
單位
- 2A 4520 4.7mm - 4.5mm 2mm - 4.7 x 4.5 x 2mm - - - ACM -
RS庫存編號 169-9631
製造零件編號DR127-101-R
HK$7.966
個 (在毎卷:350)
單位
100 μH 3.64A 0127 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 163mΩ DR73/74/125/127 Ferrite
RS庫存編號 737-3649
製造零件編號744273501
HK$28.84
單位
5 μH 5A 744273 9.5mm - 8.3mm 5.3mm - 9.5 x 8.3 x 5.3mm - - 5.5mΩ WE-SL5 Ferrite
RS庫存編號 167-8550
製造零件編號B82477G4473M000
BrandEPCOS
HK$7.344
個 (在毎卷:400)
單位
47 μH 2.5A - 12.8mm - 12.8mm 8mm - 12.8 x 12.8 x 8mm Yes ±20% 82mΩ B82477-G4 Ferrite
RS庫存編號 164-5285
製造零件編號3613C2R2K
HK$2.51
個 (在毎卷:500)
單位
2.2 μH 380mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 700mΩ 3613C Ferrite
RS庫存編號 899-7283
製造零件編號7447669220
HK$3.389
個 (以毎袋:10)
單位
220 μH 200mA 4532 4.2mm - 3.2mm 3.2mm - 4.2 x 3.2 x 3.2mm - - 7.2Ω WE-GFH Iron
RS庫存編號 167-0309
製造零件編號B82432T1473K000
BrandEPCOS
HK$3.12
個 (在毎卷:2500)
單位
47 μH 350mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 1.35Ω SIMID Ferrite
RS庫存編號 163-4966
製造零件編號74438323100
HK$6.84
個 (在毎卷:3000)
單位
10 μH 600mA 2510 2.5mm - 2mm 1mm - 2.5 x 2 x 1mm - ±20% 843mΩ WE-MAPI Composite Iron Powder
RS庫存編號 163-7403
製造零件編號74437321033
HK$14.418
個 (在毎卷:4000)
單位
3.3 μH 2.3A 4012 4.06mm - 4.06mm 1mm - 4.06 x 4.06 x 1mm Yes ±20% 97mΩ WE-LHMI -