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. 106-7536
Mfr. Part No.ELLATP2R7NB
BrandPanasonic
MYR2,802.86
1 Reel of 1000
Reel(s)
2.7 μH 6.5A ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±30% 5.4mΩ ELLATP -
RS Stock No. 749-8502
Mfr. Part No.ELLATP2R7NB
BrandPanasonic
MYR5.042
Each (In a Bag of 5)
units
2.7 μH 6.5A ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±30% 5.4mΩ ELLATP -
RS Stock No. 122-1740
Mfr. Part No.ETQP3M2R2KVP
BrandPanasonic
MYR6.201
Each (In a Bag of 10)
units
2.2 μH 6A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 21.2mΩ ETQP3M Metal Composite
RS Stock No. 122-0415
Mfr. Part No.ETQP3M2R2KVP
BrandPanasonic
MYR3.698
Each (On a Reel of 2000)
units
2.2 μH 6A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 21.2mΩ ETQP3M Metal Composite
RS Stock No. 122-0419
Mfr. Part No.ETQP3M4R7KVP
BrandPanasonic
MYR3.698
Each (On a Reel of 2000)
units
4.7 μH 4.1A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 45.6mΩ ETQP3M Metal Composite
RS Stock No. 107-2729
Mfr. Part No.EEUFC1H100L
BrandPanasonic
MYR0.356
Each (In a Bag of 200)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 122-0424
Mfr. Part No.ETQP4M100KVC
BrandPanasonic
MYR3.972
Each (On a Reel of 1000)
units
10 μH 7.1A - 10.7mm - 10mm 4mm - 10.7 x 10 x 4mm - ±20% 25.6mΩ ETQP4M Metal Composite
RS Stock No. 122-1749
Mfr. Part No.ETQP4M100KVC
BrandPanasonic
MYR4.275
Each (In a Bag of 10)
units
10 μH 7.1A - 10.7mm - 10mm 4mm - 10.7 x 10 x 4mm - ±20% 25.6mΩ ETQP4M Metal Composite
RS Stock No. 571-256
Mfr. Part No.EEUFC1H100L
BrandPanasonic
MYR2.252
Each (In a Pack of 5)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 122-1744
Mfr. Part No.ETQP3M4R7KVP
BrandPanasonic
MYR4.014
Each (In a Bag of 10)
units
4.7 μH 4.1A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 45.6mΩ ETQP3M Metal Composite
RS Stock No. 749-8555
Mfr. Part No.ELLATP470MB
BrandPanasonic
MYR6.492
Each (In a Bag of 5)
units
47 μH 1.7A ELLATP 10mm - 10mm 4.2mm - 10 x 10 x 4.2mm Yes ±20% 80mΩ ELLATP -
RS Stock No. 540-9036
Mfr. Part No.ELL6RH100M
BrandPanasonic
MYR4.056
Each (In a Pack of 5)
units
10 μH 1.1A - 6.4mm - 6mm 2.8mm - 6.4 x 6 x 2.8mm - ±20% 95mΩ ELL6R Metal Composite
RS Stock No. 110-1863
Mfr. Part No.ELL6SH100M
BrandPanasonic
MYR1.523
Each (On a Reel of 1000)
units
10 μH 1.3A - 6.4mm - 6mm 3mm - 6.4 x 6 x 3mm - ±20% 65mΩ ELL6S -
RS Stock No. 573-729
Mfr. Part No.ELL6UH471M
BrandPanasonic
MYR2.082
Each (In a Pack of 5)
units
470 μH 270mA - 6.4mm - 6mm 5mm - 6.4 x 6 x 5mm Yes ±20% 1.68Ω ELL6UH Metal Composite
RS Stock No. 110-1854
Mfr. Part No.ELL6RH220M
BrandPanasonic
MYR1.78
Each (On a Reel of 1000)
units
22 μH 700mA - 6.4mm - 6mm 2.8mm - 6.4 x 6 x 2.8mm - ±20% 220mΩ ELL6R -
RS Stock No. 110-1853
Mfr. Part No.ELL6RH100M
BrandPanasonic
MYR1.671
Each (On a Reel of 1000)
units
10 μH 1.1A - 6.4mm - 6mm 2.8mm - 6.4 x 6 x 2.8mm - ±20% 95mΩ ELL6R Metal Composite
RS Stock No. 811-7162
Mfr. Part No.ETQP3WR82WFN
BrandPanasonic
MYR3.158
Each (In a Bag of 5)
units
820 nH 13A 0630 7mm - 6.6mm 3mm - 7 x 6.6 x 3mm - ±20% 8mΩ ETQP3W Metal Composite
RS Stock No. 540-9070
Mfr. Part No.ELL6RH220M
BrandPanasonic
MYR3.456
Each (In a Pack of 5)
units
22 μH 700mA - 6.4mm - 6mm 2.8mm - 6.4 x 6 x 2.8mm - ±20% 220mΩ ELL6R -
RS Stock No. 574-059
Mfr. Part No.ELL4FG4R7NA
BrandPanasonic
MYR1.144
Each (In a Pack of 5)
units
4.7 μH 1A - 3.8mm - 3.8mm 1.2mm - 3.8 x 3.8 x 1.2mm Yes ±30% 160mΩ ELL-G -
RS Stock No. 107-1107
Mfr. Part No.EEUFC1H221S
BrandPanasonic
MYR1.794
Each (In a Bag of 200)
units
- - - - - - 15mm 12.5mm 12.5 (Dia.) x 15mm - ±20% - FC Radial -