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 108-4740
製造零件編號SLF12555T-102MR34-PF
BrandTDK
HK$6.16
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 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 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
RS庫存編號 167-5734
製造零件編號LQW18AN8N2D10D
BrandMurata
HK$0.524
個 (在毎卷:4000)
單位
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 191-0251
製造零件編號B82422A3681K100
BrandEPCOS
HK$5.31
/個 (每包:5個)
單位
680 nH 145mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 2.4Ω SIMID Ceramic
RS庫存編號 166-9815
製造零件編號LQW2UASR33J00L
BrandMurata
HK$0.706
個 (在毎卷:2000)
單位
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 172-9754
製造零件編號SRR1208-330YL
BrandBourns
HK$3.96
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 167-5578
製造零件編號LQH55DN6R8M03L
BrandMurata
HK$8.50
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 173-2772
製造零件編號IHLP4040DZER101M11
BrandVishay
HK$11.30
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 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 743-5119
製造零件編號SRN6045-6R8Y
BrandBourns
HK$3.358
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 106-5389
製造零件編號LQW2UASR33J00L
BrandMurata
HK$2.019
/個 (每包:20個)
單位
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 167-8535
製造零件編號B82472G4103M000
BrandEPCOS
HK$4.542
個 (在毎卷:1000)
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 166-7166
製造零件編號ELL8TP151MB
BrandPanasonic
HK$6.557
個 (在毎卷:500)
單位
150 μH 800mA ELL8TP 8mm - 8mm 4.7mm - 8 x 8 x 4.7mm Yes ±20% 340mΩ ELL8TP Metal Composite
RS庫存編號 367-4424
製造零件編號74476620
HK$4.67
/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 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 749-8482
製造零件編號ELL8TP151MB
BrandPanasonic
HK$9.79
個 (以毎袋:5)
單位
150 μH 800mA ELL8TP 8mm - 8mm 4.7mm - 8 x 8 x 4.7mm Yes ±20% 340mΩ ELL8TP Metal Composite
RS庫存編號 727-2182
製造零件編號SRR1806-150M
BrandBourns
HK$7.36
/個 (每包:5個)
單位
15 μH 7.2A 1806 18.3mm - 14mm 6.8mm - 18.3 x 14 x 6.8mm Yes ±20% 39mΩ SRR1806 Ferrite
RS庫存編號 124-5783
製造零件編號SDR0503-102KL
BrandBourns
HK$1.679
個 (在毎卷:1000)
單位
- - - - - - - - - - - - SDR0503 -
RS庫存編號 122-9178
製造零件編號SDR0503-102KL
BrandBourns
HK$3.35
/個 (每包:10個)
單位
1 mH 110mA 0503 - - - 3mm 5mm 5 (Dia.) x 3mm - ±10% 11.5Ω SDR0503 Ferrite