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. 107-1112
Mfr. Part No.EEUFC1V222S
BrandPanasonic
$2.50
Each (In a Bag of 50)
units
- - - - - - 25mm 18mm 18 (Dia.) x 25mm - ±20% - FC Radial -
RS Stock No. 571-230
Mfr. Part No.EEUFC1V222S
BrandPanasonic
$3.16
Each (In a Pack of 5)
units
- - - - - - 25mm 18mm 18 (Dia.) x 25mm - ±20% - FC Radial -
RS Stock No. 107-1110
Mfr. Part No.EEUFC1H102L
BrandPanasonic
$2.37
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
$2.414
Each (In a Pack of 5)
units
- - - - - - 40mm 12.5mm 12.5 (Dia.) x 40mm - ±20% - FC Radial -
RS Stock No. 182-6601
Mfr. Part No.ELJFC2R2MF
BrandPanasonic
$0.347
Each (In a Pack of 10)
units
2.2 μH 155mA 1008 2.5mm - 2mm 1.6mm - 2.5 x 2 x 1.6mm - ±20% 1.05Ω ELJFC/SC -
RS Stock No. 107-1107
Mfr. Part No.EEUFC1H221S
BrandPanasonic
$0.741
Each (In a Bag of 200)
units
- - - - - - 15mm 12.5mm 12.5 (Dia.) x 15mm - ±20% - FC Radial -
RS Stock No. 571-199
Mfr. Part No.EEUFC1H221S
BrandPanasonic
$0.974
Each (In a Pack of 5)
units
- - - - - - 15mm 12.5mm 12.5 (Dia.) x 15mm - ±20% - FC Radial -
RS Stock No. 107-2722
Mfr. Part No.EEUFC1H3R3
BrandPanasonic
$0.235
Each (In a Bag of 200)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 749-8485
Mfr. Part No.ELL8TP221MB
BrandPanasonic
$1.884
Each (In a Bag of 5)
units
220 μH 700mA ELL8TP 8mm - 8mm 4.7mm - 8 x 8 x 4.7mm Yes ±20% 480mΩ ELL8TP -
RS Stock No. 574-217
Mfr. Part No.ELL4LG100MA
BrandPanasonic
$1.176
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. 162-1203
Mfr. Part No.ELL8TP221MB
BrandPanasonic
$0.969
Each (On a Reel of 500)
units
220 μH 700mA ELL8TP 8mm - 8mm 4.7mm - 8 x 8 x 4.7mm Yes ±20% 480mΩ ELL8TP -
RS Stock No. 110-1817
Mfr. Part No.ELL4LG100MA
BrandPanasonic
$0.396
Each (On a Reel of 3000)
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. 571-246
Mfr. Part No.EEUFC1H3R3
BrandPanasonic
$0.49
Each (In a Pack of 5)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 573-652
Mfr. Part No.ELL4LG4R7NA
BrandPanasonic
$0.98
Each (In a Pack of 5)
units
4.7 μH 1.3A - 3.8mm - 3.8mm 1.8mm - 3.8 x 3.8 x 1.8mm Yes ±30% 90mΩ ELL-G -
RS Stock No. 574-330
Mfr. Part No.ELL6UH101M
BrandPanasonic
$1.24
Each (In a Pack of 5)
units
100 μH 600mA - 6.4mm - 6mm 5mm - 6.4 x 6 x 5mm - ±20% 360mΩ ELL6UH -
RS Stock No. 107-1106
Mfr. Part No.EEUFC1H181
BrandPanasonic
$0.44
Each (In a Bag of 200)
units
- - - - - - 16mm 10mm 10 (Dia.) x 16mm - ±20% - FC Radial -
RS Stock No. 107-1111
Mfr. Part No.EEUFC1H680
BrandPanasonic
$0.428
Each (In a Bag of 200)
units
- - - - - - 11.5mm 8mm 8 (Dia.) x 11.5mm - ±20% - FC Radial -
RS Stock No. 750-0734
Mfr. Part No.ELLYFJ220M
BrandPanasonic
$0.436
Each (In a Bag of 5)
units
22 μH 400mA ELLYFJ 2.5mm - 2mm 1.1mm - 2.5 x 2 x 1.1mm Yes ±20% 1.65Ω ELLYFJ -
RS Stock No. 770-9381
Mfr. Part No.ETQP5M100YFC
BrandPanasonic
$2.92
Each
units
10 μH 8.5A PCC-M 10.7mm - 10mm 5.4mm - 10.7 x 10 x 5.4mm - ±20% 26.2mΩ ETQP5M Metal Composite
RS Stock No. 749-8574
Mfr. Part No.ELLATP471MB
BrandPanasonic
$1.88
Each (In a Bag of 5)
units
470 μH 500mA ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±20% 780mΩ ELLATP -