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. 163-3720
Mfr. Part No.7446632002
SGD7.25
Each (On a Reel of 200)
units
2.2 mH 2A - 18.5mm - 23.3mm 11.5mm - 18.5 x 23.3 x 11.5mm - ±30% 100mΩ WE-LF -
RS Stock No. 151-098
Mfr. Part No.IHLP2525CZER10RM01
BrandVishay
SGD1.578
Each (In a Pack of 5)
units
10 μH 3A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 1.7mΩ IHLP Metal Composite
RS Stock No. 167-5688
Mfr. Part No.LQG15HS27NJ02D
BrandMurata
SGD0.03
Each (On a Reel of 10000)
units
27 nH 300mA 0402 (1005M) 1mm - 0.5mm 0.5mm - 1 x 0.5 x 0.5mm - ±5% 460mΩ LQG15HS -
RS Stock No. 770-0827
Mfr. Part No.DR1050-100-R
SGD3.266
Each (In a Bag of 5)
units
10 μH 4.58A 1050 10.3mm - 10.5mm 5mm - 10.3 x 10.5 x 5mm Yes ±30% 22.5mΩ DR1050 Ferrite
RS Stock No. 811-9751
Mfr. Part No.DLW21SN670SQ2L
BrandMurata
SGD0.887
Each (In a Bag of 10)
units
- 400mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm - ±25% 250mΩ DLW21S -
RS Stock No. 173-1378
Mfr. Part No.IHLP2525CZER3R3M01
BrandVishay
SGD0.82
Each (On a Reel of 2000)
units
3.3 μH 6A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 30mΩ IHLP Metal Composite
RS Stock No. 173-0474
Mfr. Part No.IHLP2525CZER10RM01
BrandVishay
SGD0.89
Each (On a Reel of 2000)
units
10 μH 3A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 1.7mΩ IHLP Metal Composite
RS Stock No. 743-5122
Mfr. Part No.SRN6045-100M
BrandBourns
SGD0.728
Each (In a Bag of 10)
units
10 μH 3A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% 59mΩ SRN6045 Ferrite
RS Stock No. 669-0340
Mfr. Part No.7446632002
SGD9.40
Each
units
2.2 mH 2A - 18.5mm - 23.3mm 11.5mm - 18.5 x 23.3 x 11.5mm - ±30% 100mΩ WE-LF -
RS Stock No. 169-9598
Mfr. Part No.DR1050-100-R
SGD1.452
Each (On a Reel of 500)
units
10 μH 4.58A 1050 10.3mm - 10.5mm 5mm - 10.3 x 10.5 x 5mm Yes ±30% 22.5mΩ DR1050 Ferrite
RS Stock No. 105-697
Mfr. Part No.DLW21SN670SQ2L
BrandMurata
SGD0.888
Each (In a Bag of 25)
units
- 400mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm - ±25% 250mΩ DLW21S -
RS Stock No. 173-3712
Mfr. Part No.IHLP2525CZER220M11
BrandVishay
SGD0.778
Each (On a Reel of 2000)
units
22 μH 2.9A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 135mΩ IHLP Metal Composite
RS Stock No. 748-7097
Mfr. Part No.IHLP2525CZER3R3M01
BrandVishay
SGD1.806
Each (In a Bag of 5)
units
3.3 μH 6A 2225 (5664M) 6.86mm - 6.47mm 3mm - 6.86 x 6.47 x 3mm Yes ±20% 30mΩ IHLP-2525BD-01 Metal Composite
RS Stock No. 172-8384
Mfr. Part No.SRN6045-100M
BrandBourns
SGD0.32
Each (On a Reel of 1000)
units
10 μH 3A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% - SRN6045 Ferrite
RS Stock No. 166-9653
Mfr. Part No.DLW21SN670SQ2L
BrandMurata
SGD0.353
Each (On a Reel of 2000)
units
- 400mA 0805 (2012M) 2mm - 1.2mm 1.2mm - 2 x 1.2 x 1.2mm - ±25% 250mΩ DLW21S -
RS Stock No. 548-2772
Mfr. Part No.NLV32T-1R0J-PF
BrandTDK
SGD0.252
Each (In a Pack of 25)
units
1 μH 400mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±5% 700mΩ NLV-PF -
RS Stock No. 792-6495
Mfr. Part No.LQW18AN2N2D00D
BrandMurata
SGD0.243
Each (In a Bag of 10)
units
2.2 nH 700mA 0603 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±0.5nH 49mΩ LQQ18A -
RS Stock No. 813-5744
Mfr. Part No.SRN6028-150M
BrandBourns
SGD0.478
Each (In a Bag of 10)
units
15 μH 1.8A - 6mm - 6mm 2.8mm - 6 x 6 x 2.8mm Yes ±20% 114mΩ SRN6028 Ferrite
RS Stock No. 792-6423
Mfr. Part No.LQW15AN2N2C10D
BrandMurata
SGD0.291
Each (In a Bag of 10)
units
2.2 nH 1A 0402 (1005M) 1mm - 0.6mm 0.5mm - 1 x 0.6 x 0.5mm - ±0.2nH 27mΩ LQW15A_10 -
RS Stock No. 172-8385
Mfr. Part No.SRN6045-470M
BrandBourns
SGD0.32
Each (On a Reel of 1000)
units
47 μH 1.3A 6045 6mm - 6mm 4.5mm - 6 x 6 x 4.5mm Yes ±20% - SRN6045 Ferrite