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 786-9528
製造零件編號SLF12555T-101M1R1-PF
BrandTDK
HK$14.10
個 (以毎袋:5)
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100 μH 1.8A - 12.5mm - 12.5mm 5.5mm - 12.5 x 12.5 x 5.5mm Yes ±20% 117mΩ SLF Ferrite
RS庫存編號 715-7087
製造零件編號50105C
HK$8.78
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 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 106-8882
製造零件編號50105C
HK$8.189
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 644-2573
製造零件編號VLF12060T-101M1R9
BrandTDK
HK$14.10
/個 (每包:5個)
單位
100 μH 2A - 12mm - 11.7mm 6mm - 12 x 11.7 x 6mm Yes ±20% 152mΩ - -
RS庫存編號 173-0462
製造零件編號IHLP2020CZER4R7M01
BrandVishay
HK$5.224
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 669-0179
製造零件編號744029100
HK$12.24
/個 (每包:5個)
單位
10 μH 750mA 2813 2.8mm - 2.8mm 1.35mm - 2.8 x 2.8 x 1.35mm Yes ±30% 470mΩ WE-TPC Ferrite
RS庫存編號 725-5336
製造零件編號LQH55DN6R8M03L
BrandMurata
HK$14.89
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 172-9602
製造零件編號SRN6045-6R8Y
BrandBourns
HK$1.597
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 167-5714
製造零件編號LQW18AN27NG00D
BrandMurata
HK$0.52
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 786-9522
製造零件編號SLF12555T-102MR34-PF
BrandTDK
HK$13.69
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 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 167-5734
製造零件編號LQW18AN8N2D10D
BrandMurata
HK$0.52
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 736-1090
製造零件編號PM2120-221K-RC
BrandBourns
HK$27.41
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 770-0978
製造零件編號DR125-470-R
HK$9.62
個 (以毎袋:5)
單位
47 μH 3.24A 0125 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 74mΩ DR73/74/125/127 Ferrite
RS庫存編號 172-8464
製造零件編號SRR4028-470Y
BrandBourns
HK$2.812
個 (在毎卷:500)
單位
47 μH 750mA 4028 4.8mm - 4.8mm 2.8mm - 4.8 x 4.8 x 2.8mm Yes ±30% - SRR4028 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 172-9735
製造零件編號SRU1048-331Y
BrandBourns
HK$3.172
個 (在毎卷:600)
單位
330 μH 650mA - 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% 490mΩ SRU1048 Ferrite
RS庫存編號 743-5119
製造零件編號SRN6045-6R8Y
BrandBourns
HK$3.533
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 125-3130
製造零件編號LQH32CN101K23L
BrandMurata
HK$0.881
個 (在毎卷:2000)
單位
100 μH 100mA 1210 (3225M) 3.2mm - 2.5mm 2mm - 3.2 x 2.5 x 2mm - ±10% 3.5Ω LQH32CN -