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 604-2915
製造零件編號NL453232T-561J-PF
BrandTDK
HK$2.208
/個 (每包:10個)
單位
560 μH 50mA 1812 (4532M) 4.5mm - 3.2mm 3.2mm - 4.5 x 3.2 x 3.2mm - ±5% 30Ω - -
RS庫存編號 792-6347
製造零件編號LQG15HS2N7S02D
BrandMurata
HK$0.34
個 (以毎袋:250)
單位
2.7 nH 300mA 0402 (1005M) 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±0.3nH 150mΩ LQG15HS -
RS庫存編號 167-8549
製造零件編號B82477G4333M000
BrandEPCOS
HK$10.604
個 (在毎卷:400)
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 163-3321
製造零件編號74476620
HK$4.057
個 (在毎卷:500)
單位
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 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 172-9754
製造零件編號SRR1208-330YL
BrandBourns
HK$6.455
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 181-6888
製造零件編號SDR0503-102KL
BrandBourns
HK$3.374
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 172-9602
製造零件編號SRN6045-6R8Y
BrandBourns
HK$2.649
個 (在毎卷:1000)
單位
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 167-8535
製造零件編號B82472G4103M000
BrandEPCOS
HK$7,504.52
毎卷:1000 個
Reel(s)
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 167-4160
製造零件編號LQH2MCN3R3M02L
BrandMurata
HK$1.197
個 (在毎卷:3000)
單位
3.3 μH 375mA 0806 2mm - 1.6mm 0.9mm - 2 x 1.6 x 0.9mm - ±20% 780mΩ LQH2MC_02 Ferrite
RS庫存編號 367-4424
製造零件編號74476620
HK$5.282
/個 (每包:10個)
單位
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 786-9522
製造零件編號SLF12555T-102MR34-PF
BrandTDK
HK$10.176
個 (以毎袋:5)
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 743-5119
製造零件編號SRN6045-6R8Y
BrandBourns
HK$2.521
個 (以毎袋:10)
單位
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 469-2782
製造零件編號LQH32CN4R7M23L
BrandMurata
HK$2.192
/個 (每包:20個)
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 367-5089
製造零件編號744777122
HK$19.72
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 172-8664
製造零件編號5258-RC
BrandBourns
HK$14.325
個 (以毎袋:60)
單位
1 mH 1.1A - - - - 31.75mm 12.7mm 12.7 (Dia.) x 31.75mm - - - 5200 Ferrite
RS庫存編號 743-5068
製造零件編號SRN3015-4R7M
BrandBourns
HK$1.606
個 (以毎袋:10)
單位
4.7 μH 1.4A 3015 3mm - 3mm 1.5mm - 3 x 3 x 1.5mm Yes ±20% 136mΩ SRN3015 Ferrite
RS庫存編號 724-2945
製造零件編號LQW18AN27NG00D
BrandMurata
HK$2.048
/個 (每包:10個)
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 173-2772
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$11.411
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 724-1643
製造零件編號BNX022-01L
BrandMurata
HK$37.77
單位
- 10A - 12.1mm - 9.1mm 3.1mm - 12.1 x 9.1 x 3.1mm - - 430µΩ BNX02 -