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 Stock No. 106-7532
Mfr. Part No.ETQP5M100YFK
BrandPanasonic
SGD1.001
Each (On a Reel of 1000)
units
10 μH 6.7A PCC-M 8.5mm - 8mm 5.4mm - 8.5 x 8 x 5.4mm - ±20% 37mΩ ETQP5M Metal Composite
RS Stock No. 770-9385
Mfr. Part No.ETQP5M100YFK
BrandPanasonic
SGD2.40
Each
units
10 μH 6.7A PCC-M 8.5mm - 8mm 5.4mm - 8.5 x 8 x 5.4mm - ±20% 37mΩ ETQP5M Metal Composite
RS Stock No. 620-7421
Mfr. Part No.ETQP4LR19WFC
BrandPanasonic
SGD5.24
Each
units
190 nH 28A - 11.5mm - 10mm 4mm - 11.5 x 10 x 4mm - ±20% 700µΩ PCC-M104L Metal Composite
RS Stock No. 750-0712
Mfr. Part No.ELLYFJ2R2M
BrandPanasonic
SGD0.424
Each (In a Bag of 5)
units
2.2 μH 1.7A ELLYFJ 2.5mm - 2mm 1.1mm - 2.5 x 2 x 1.1mm Yes ±20% 130mΩ ELLYFJ -
RS Stock No. 107-1110
Mfr. Part No.EEUFC1H102L
BrandPanasonic
SGD1.25
Each (In a Bag of 100)
units
- - - - - - 40mm 12.5mm 12.5 (Dia.) x 40mm - ±20% - FC Radial -
RS Stock No. 571-212
Mfr. Part No.EEUFC1H102L
BrandPanasonic
SGD2.10
Each (In a Pack of 5)
units
- - - - - - 40mm 12.5mm 12.5 (Dia.) x 40mm - ±20% - FC Radial -
RS Stock No. 570-269
Mfr. Part No.ETQP5M220YFK
BrandPanasonic
SGD2.404
Each (In a Pack of 5)
units
22 μH 4.8A 0854 8.5mm - 8mm 5.4mm - 8.5 x 8 x 5.4mm - ±20% 70mΩ ETQP5M Metal Composite
RS Stock No. 574-217
Mfr. Part No.ELL4LG100MA
BrandPanasonic
SGD1.102
Each (In a Pack of 5)
units
10 μH 950mA - 3.8mm - 3.8mm 1.8mm - 3.8 x 3.8 x 1.8mm Yes ±20% 200mΩ ELL-G -
RS Stock No. 620-7415
Mfr. Part No.ETQP4LR36WFC
BrandPanasonic
SGD4.86
Each
units
360 nH 24A - 11.5mm - 10mm 4mm - 11.5 x 10 x 4mm - ±20% 1.1mΩ PCC-M104L Metal Composite
RS Stock No. 574-447
Mfr. Part No.ELLCTV331M
BrandPanasonic
SGD2.60
Each (In a Pack of 5)
units
330 μH 660mA - 12mm - 12mm 4.5mm - 12 x 12 x 4.5mm Yes ±20% 500mΩ ELLCTV -
RS Stock No. 770-9404
Mfr. Part No.ETQP5M330YFM
BrandPanasonic
SGD2.39
Each
units
34 μH 3.3A PCC-M 7.5mm - 7mm 5.4mm - 7.5 x 7 x 5.4mm - ±20% 132mΩ ETQP5M Metal Composite
RS Stock No. 540-9064
Mfr. Part No.ELL6RH180M
BrandPanasonic
SGD1.932
Each (In a Pack of 5)
units
18 μH 800mA - 6.4mm - 6mm 2.8mm - 6.4 x 6 x 2.8mm - ±20% 170mΩ ELL6R -
RS Stock No. 107-2134
Mfr. Part No.EEUFC1V182L
BrandPanasonic
SGD1.29
Each (In a Bag of 100)
units
- - - - - - 40mm 12.5mm 12.5 (Dia.) x 40mm - ±20% - FC Radial -
RS Stock No. 574-429
Mfr. Part No.ELLVEG4R7N
BrandPanasonic
SGD0.722
Each (In a Pack of 5)
units
4.7 μH 770mA - 3mm - 3mm 1mm - 3 x 3 x 1mm Yes ±30% 240mΩ ELL-G -
RS Stock No. 573-808
Mfr. Part No.ELL6GG2R2M
BrandPanasonic
SGD1.396
Each (In a Pack of 5)
units
2.2 μH 2A - 6mm - 6mm 1.6mm - 6 x 6 x 1.6mm Yes ±20% 45mΩ ELL-G -
RS Stock No. 107-1106
Mfr. Part No.EEUFC1H181
BrandPanasonic
SGD0.426
Each (In a Bag of 200)
units
- - - - - - 16mm 10mm 10 (Dia.) x 16mm - ±20% - FC Radial -
RS Stock No. 749-8558
Mfr. Part No.ELLATP680MB
BrandPanasonic
SGD1.298
Each (In a Bag of 5)
units
68 μH 1.4A ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±20% 120mΩ ELLATP -
RS Stock No. 107-2722
Mfr. Part No.EEUFC1H3R3
BrandPanasonic
SGD0.148
Each (In a Bag of 200)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 571-246
Mfr. Part No.EEUFC1H3R3
BrandPanasonic
SGD0.452
Each (In a Pack of 5)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 729-5078
Mfr. Part No.ELJFC390JF
BrandPanasonic
SGD0.248
Each (In a Pack of 10)
units
39 μH 90mA 2520 2.5mm - 2mm 1.6mm - 2.5 x 2 x 1.6mm Yes ±5% 9.5Ω ELJFC/SC Ferrite