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. 729-4912
Mfr. Part No.ELJRE1N0ZFA
BrandPanasonic
PHP10.329
Each (In a Pack of 10)
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1 nH 500mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±0.2nH 50mΩ ELJRE -
RS Stock No. 811-7190
Mfr. Part No.ETQP5M330YFC
BrandPanasonic
PHP80.05
Each
units
33 μH 6.5A 1050 10mm - 10mm 5mm - 10 x 10 x 5mm - ±20% - ETQP5M Metal Composite
RS Stock No. 106-7728
Mfr. Part No.ETQP5M330YFC
BrandPanasonic
PHP35.177
Each (On a Reel of 1000)
units
33 μH 6.5A 1050 10mm - 10mm 5mm - 10 x 10 x 5mm - ±20% - ETQP5M Metal Composite
RS Stock No. 107-2722
Mfr. Part No.EEUFC1H3R3
BrandPanasonic
PHP3.14
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
PHP14.83
Each (In a Pack of 5)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 770-9394
Mfr. Part No.ETQP5M101YGC
BrandPanasonic
PHP78.49
Each
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97 μH 2.7A PCC-M 10.7mm - 10mm 5mm - 10.7 x 10 x 5mm - ±20% 229mΩ ETQP5M Metal Composite
RS Stock No. 122-0442
Mfr. Part No.ETQP4M4R7KVK
BrandPanasonic
PHP23.97
Each (On a Reel of 1000)
units
4.7 μH 9A - 8.5mm - 8mm 4mm - 8.5 x 8 x 4mm - ±20% 16.1mΩ ETQP4M Metal Composite
RS Stock No. 574-526
Mfr. Part No.ELL6UH331M
BrandPanasonic
PHP32.148
Each (In a Pack of 5)
units
330 μH 330mA - 6.4mm - 6mm 5mm - 6.4 x 6 x 5mm - ±20% 1.36Ω ELL6UH Metal Composite
RS Stock No. 571-256
Mfr. Part No.EEUFC1H100L
BrandPanasonic
PHP13.50
Each (In a Pack of 5)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 110-1776
Mfr. Part No.ELLVEG1R0N
BrandPanasonic
PHP8.45
Each (On a Reel of 2000)
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1 μH 1.6A - 3mm - 3mm 1mm - 3 x 3 x 1mm Yes ±30% 61mΩ ELL-G -
RS Stock No. 107-2729
Mfr. Part No.EEUFC1H100L
BrandPanasonic
PHP3.62
Each (In a Bag of 200)
units
- - - - - - 11mm 5mm 5 (Dia.) x 11mm - ±20% - FC Radial -
RS Stock No. 122-0417
Mfr. Part No.ETQP3M3R3KVP
BrandPanasonic
PHP20.90
Each (On a Reel of 2000)
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3.3 μH 5.4A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 26.3mΩ ETQP3M Metal Composite
RS Stock No. 573-589
Mfr. Part No.ELLVEG1R0N
BrandPanasonic
PHP15.128
Each (In a Pack of 5)
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1 μH 1.6A - 3mm - 3mm 1mm - 3 x 3 x 1mm Yes ±30% 61mΩ ELL-G -
RS Stock No. 182-6673
Mfr. Part No.ELJSC330KF
BrandPanasonic
PHP8.205
Each (In a Pack of 10)
units
33 μH 14mA 1008 2.5mm - 2mm 1.6mm - 2.5 x 2 x 1.6mm Yes ±10% 5.2Ω ELJFC/SC -
RS Stock No. 106-7727
Mfr. Part No.ETQP5M1R5YFC
BrandPanasonic
PHP35.177
Each (On a Reel of 1000)
units
1.5 μH 36.2A 1050 10mm - 10mm 5mm - 10 x 10 x 5mm - ±20% - ETQP4M, ETQP5M Metal Composite
RS Stock No. 122-1767
Mfr. Part No.ETQP4M4R7KVK
BrandPanasonic
PHP42.662
Each (In a Bag of 10)
units
4.7 μH 9A - 8.5mm - 8mm 4mm - 8.5 x 8 x 4mm - ±20% 16.1mΩ ETQP4M Metal Composite
RS Stock No. 811-7181
Mfr. Part No.ETQP5M1R5YFC
BrandPanasonic
PHP88.45
Each
units
1.5 μH 36.2A 1050 10mm - 10mm 5mm - 10 x 10 x 5mm - ±20% - ETQP4M, ETQP5M Metal Composite
RS Stock No. 122-1742
Mfr. Part No.ETQP3M3R3KVP
BrandPanasonic
PHP43.785
Each (In a Bag of 10)
units
3.3 μH 5.4A - 5.5mm - 5mm 3mm - 5.5 x 5 x 3mm - ±20% 26.3mΩ ETQP3M Metal Composite
RS Stock No. 729-9446
Mfr. Part No.ELJPA560KF
BrandPanasonic
PHP13.905
Each (In a Pack of 10)
units
56 μH 110mA - - - - - - - - ±10% 3.3Ω ELJPA -
RS Stock No. 749-8485
Mfr. Part No.ELL8TP221MB
BrandPanasonic
PHP49.228
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 -