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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Description Price Inductance Maximum DC Current Package/Case Length Automotive Standard Depth Height Diameter Dimensions Shielded Tolerance Maximum DC Resistance Series Core Material
RS庫存編號 819-3488
製造零件編號SRP1265A-100M
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HK$9.34
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10 μH 10A 1265 13.5mm AEC-Q200 12.5mm 6.2mm - 13.5 x 12.5 x 6.2mm Yes ±20% 16.5mΩ SRP1265A Carbonyl Powder
RS庫存編號 172-9848
製造零件編號SRP1265A-100M
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HK$9.337
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10 μH 10A 1265 13.5mm AEC-Q200 12.5mm 6.2mm - 13.5 x 12.5 x 6.2mm Yes ±20% 16.5mΩ SRP1265A Carbonyl Powder
RS庫存編號 172-8485
製造零件編號SDR1105-101KL
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HK$4.357
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100 μH 2.8A E6 10mm - 11.1mm 4.8mm - 10 x 11.1 x 4.8mm - - - SDR1105 Ferrite DR
RS庫存編號 874-9716
製造零件編號SDR1105-101KL
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HK$5.58
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100 μH 2.8A E6 10mm - 11.1mm 4.8mm - 10 x 11.1 x 4.8mm - - 320mΩ SDR1105 Ferrite DR
RS庫存編號 874-9687
製造零件編號DR331-105BE
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HK$5.524
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1 mH 500mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - 400mΩ DR331 Ferrite
RS庫存編號 172-8525
製造零件編號DR331-105BE
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HK$3.24
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1 mH 500mA - 7.3mm - 5.4mm 4.7mm - 7.3 x 5.4 x 4.7mm - - - DR331 Ferrite
RS庫存編號 725-5862
製造零件編號SRU1048-3R0Y
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HK$5.90
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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 172-8509
製造零件編號SRU1048-3R0Y
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HK$5.187
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3 μH 6.2A 1048 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% - SRU1048 Ferrite
RS庫存編號 172-8630
製造零件編號SRP1265A-4R7M
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HK$6.16
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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 172-9735
製造零件編號SRU1048-331Y
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HK$5.187
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330 μH 650mA - 10mm - 10mm 4.8mm - 10 x 10 x 4.8mm Yes ±30% 490mΩ SRU1048 Ferrite
RS庫存編號 736-1090
製造零件編號PM2120-221K-RC
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HK$20.55
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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 743-5068
製造零件編號SRN3015-4R7M
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HK$1.606
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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 743-5119
製造零件編號SRN6045-6R8Y
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HK$2.521
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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 819-3529
製造零件編號SRP1265A-6R8M
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HK$6.39
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6.8 μH 11.5A 1265 13.5mm AEC-Q200 12.5mm 6.2mm - 13.5 x 12.5 x 6.2mm Yes ±20% 11.5mΩ SRP1265A Carbonyl Powder
RS庫存編號 172-8664
製造零件編號5258-RC
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HK$12.45
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1 mH 1.1A - - - - 31.75mm 12.7mm 12.7 (Dia.) x 31.75mm - - - 5200 Ferrite
RS庫存編號 172-7073
製造零件編號SRN5040-470M
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HK$1.16
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47 μH 900mA - 5mm - 5mm 4mm - 5 x 5 x 4mm Yes ±20% - SRN5040 Ferrite
RS庫存編號 819-3517
製造零件編號SRP1265A-4R7M
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HK$10.846
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4.7 μH 13.5A 1265 13.5mm AEC-Q200 12.5mm 6.2mm - 13.5 x 12.5 x 6.2mm Yes ±20% 8.4mΩ SRP1265A Carbonyl Powder
RS庫存編號 172-8464
製造零件編號SRR4028-470Y
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HK$2.73
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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 122-9178
製造零件編號SDR0503-102KL
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HK$2.921
/個 (每包:10個)
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1 mH 110mA 0503 - - - 3mm 5mm 5 (Dia.) x 3mm - ±10% 11.5Ω SDR0503 Ferrite
RS庫存編號 124-5783
製造零件編號SDR0503-102KL
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HK$2.124
個 (在毎卷:1000)
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- - - - - - - - - - - - SDR0503 -