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 748-7631
製造零件編號IHLP6767GZER101M11
BrandVishay
HK$50.14
單位
100 μH 5A 6767 17.15mm - 17.15mm 7mm - 17.15 x 17.15 x 7mm Yes ±20% 110mΩ IHLP-6767GZ-11 Metal Composite
RS庫存編號 715-7087
製造零件編號50105C
HK$10.40
單位
1 mH 700mA - 9.3mm - 5.9mm 4.4mm - 9.3 x 5.9 x 4.4mm - -30 → +50% 300mΩ 5000 -
RS庫存編號 744-4915
製造零件編號744778002
HK$20.19
個 (以毎袋:5)
單位
2.2 μH 4.8A 7332 7.3mm - 7.3mm 3.2mm - 7.3 x 7.3 x 3.2mm Yes ±20% 20mΩ WE-PD Ferrite
RS庫存編號 173-0462
製造零件編號IHLP2020CZER4R7M01
BrandVishay
HK$6.11
個 (在毎卷:2000)
單位
4.7 μH 3.5A 2020 5.49mm - 5.18mm 3mm - 5.49 x 5.18 x 3mm Yes ±20% 77.5mΩ IHLP Metal Composite
RS庫存編號 725-5862
製造零件編號SRU1048-3R0Y
BrandBourns
HK$5.90
單位
3 μH 6.2A 1048 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% 7.2mΩ SRU1048 Ferrite
RS庫存編號 167-0306
製造零件編號B82432T1333K000
BrandEPCOS
HK$3.12
個 (在毎卷:2500)
單位
33 μH 400mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm Yes ±10% 1.2Ω SIMID Ferrite
RS庫存編號 469-2776
製造零件編號LQH32CN1R0M23L
BrandMurata
HK$2.58
/個 (每包:20個)
單位
1 μH 800mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±20% 90mΩ LQH32CN -
RS庫存編號 166-9884
製造零件編號LQW18CNR27J00D
BrandMurata
HK$1.577
個 (在毎卷:4000)
單位
270 nH 750mA 1608 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 160mΩ LQW18CN_00 Ferrite
RS庫存編號 172-8509
製造零件編號SRU1048-3R0Y
BrandBourns
HK$3.172
個 (在毎卷:600)
單位
3 μH 6.2A 1048 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% - SRU1048 Ferrite
RS庫存編號 106-8882
製造零件編號50105C
HK$7.95
個 (在毎卷:1000)
單位
1 mH 700mA - 9.3mm - 5.9mm 4.4mm - 9.3 x 5.9 x 4.4mm - -30 → +50% 300mΩ 5000 -
RS庫存編號 163-3284
製造零件編號7445720
HK$14.891
個 (在毎卷:250)
單位
100 μH 2A - 22mm - 15mm 7mm - 22 x 15 x 7mm No ±10% 202mΩ WE-PD4 Ferrite
RS庫存編號 125-3126
製造零件編號LQH32CN4R7M23L
BrandMurata
HK$0.907
個 (在毎卷:2000)
單位
4.7 μH 450mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±20% 200mΩ LQH32CN -
RS庫存編號 167-5714
製造零件編號LQW18AN27NG00D
BrandMurata
HK$0.514
個 (在毎卷:4000)
單位
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 172-7073
製造零件編號SRN5040-470M
BrandBourns
HK$1.16
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 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 181-6888
製造零件編號SDR0503-102KL
BrandBourns
HK$2.40
個 (在毎卷:100)
單位
1 mH 110mA SMD - - - 3mm 5mm 5 Dia. x 3mm - ±10% 11.5Ω SDR0503 Ferrite DR
RS庫存編號 736-1090
製造零件編號PM2120-221K-RC
BrandBourns
HK$26.82
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 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 905-5024
製造零件編號82223C
HK$2.70
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 162-1450
製造零件編號B82422A3681K100
BrandEPCOS
HK$1.864
個 (在毎卷:2000)
單位
680 nH 145mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 2.4Ω SIMID Ceramic