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. 161-8090
Mfr. Part No.LQH43PN151M26L
BrandMurata
TWD6.90
Each (On a Reel of 500)
units
150 μH 280mA 4532 4.5mm - 3.2mm 2.6mm - 4.5 x 3.2 x 2.6mm Yes ±20% 2.362Ω LQH43PN_26 Ferrite
RS Stock No. 106-5325
Mfr. Part No.LQH43PN151M26L
BrandMurata
TWD13.50
Each (In a Pack of 20)
units
150 μH 280mA 4532 4.5mm - 3.2mm 2.6mm - 4.5 x 3.2 x 2.6mm Yes ±20% 2.362Ω LQH43PN_26 Ferrite
RS Stock No. 469-2833
Mfr. Part No.LQH31MN1R0K03L
BrandMurata
TWD24.80
Each (In a Pack of 20)
units
1 μH 175mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±10% 490mΩ LQH31MN -
RS Stock No. 125-3128
Mfr. Part No.LQH31MN1R0K03L
BrandMurata
TWD9.60
Each (On a Reel of 2000)
units
1 μH 175mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±10% 490mΩ LQH31MN -
RS Stock No. 166-9799
Mfr. Part No.LQH32PN1R0NNCL
BrandMurata
TWD6.20
Each (On a Reel of 2000)
units
1 μH 3A 3225 3.2mm - 2.5mm 1.55mm - 3.2 x 2.5 x 1.55mm Yes ±30% 36mΩ LQH32PN_NC Ferrite
RS Stock No. 106-5318
Mfr. Part No.LQH32PN1R0NNCL
BrandMurata
TWD16.10
Each (In a Pack of 20)
units
1 μH 3A 3225 3.2mm - 2.5mm 1.55mm - 3.2 x 2.5 x 1.55mm Yes ±30% 36mΩ LQH32PN_NC Ferrite
RS Stock No. 166-9683
Mfr. Part No.LQH31MN101K03L
BrandMurata
TWD9.20
Each (On a Reel of 2000)
units
100 μH 45mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±10% 12Ω LQH31MN -
RS Stock No. 209-077
Mfr. Part No.BNX002-01
BrandMurata
TWD300.00
Each
units
- 10A - 12mm - 11mm 13mm - 12 x 11 x 13mm - - 100MΩ BNX002 -
RS Stock No. 469-2899
Mfr. Part No.LQH31MN101K03L
BrandMurata
TWD24.00
Each (In a Pack of 20)
units
100 μH 45mA 1206 (3216M) 3.2mm - 1.6mm 1.8mm - 3.2 x 1.6 x 1.8mm - ±10% 12Ω LQH31MN -
RS Stock No. 724-1687
Mfr. Part No.DLW31SN900SQ2L
BrandMurata
TWD45.00
Each
units
- 370mA 1206 (3216M) 3.2mm - 1.6mm 1.9mm - 3.2 x 1.6 x 1.9mm - ±25% 300mΩ DLW31S -
RS Stock No. 167-4156
Mfr. Part No.LQH2MCN220K02L
BrandMurata
TWD4.20
Each (On a Reel of 3000)
units
22 μH 185mA 0806 2mm - 1.6mm 0.9mm - 2 x 1.6 x 0.9mm - ±10% 2.73Ω LQH2MC_02 Ferrite
RS Stock No. 106-5372
Mfr. Part No.LQW18CNR39J00D
BrandMurata
TWD16.60
Each (In a Pack of 20)
units
390 nH 620mA 1608 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 280mΩ LQW18CN_00 Ferrite
RS Stock No. 786-6737
Mfr. Part No.LQH2MCN220K02L
BrandMurata
TWD11.70
Each (In a Bag of 10)
units
22 μH 185mA 0806 2mm - 1.6mm 0.9mm - 2 x 1.6 x 0.9mm - ±10% 2.73Ω LQH2MC_02 Ferrite
RS Stock No. 161-8044
Mfr. Part No.LQW18CNR39J00D
BrandMurata
TWD6.20
Each (On a Reel of 4000)
units
390 nH 620mA 1608 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm - ±5% 280mΩ LQW18CN_00 Ferrite
RS Stock No. 725-5103
Mfr. Part No.LQH32MN220K23L
BrandMurata
TWD10.30
Each (In a Pack of 10)
units
22 μH 150mA 1210 (3225M) - - - - - 3.2 x 2.5 x 2mm - ±10% 2.8Ω LQH32MN -
RS Stock No. 167-5899
Mfr. Part No.LQH32MN220K23L
BrandMurata
TWD3.70
Each (On a Reel of 2000)
units
22 μH 150mA 1210 (3225M) - - - - - 3.2 x 2.5 x 2mm - ±10% 2.8Ω LQH32MN -
RS Stock No. 125-3166
Mfr. Part No.DLW31SN900SQ2L
BrandMurata
TWD17.80
Each (On a Reel of 2000)
units
- 370mA 1206 (3216M) 3.2mm - 1.6mm 1.9mm - 3.2 x 1.6 x 1.9mm - ±25% 300mΩ DLW31S -
RS Stock No. 878-8679
Mfr. Part No.LQH2HPN2R2MJRL
BrandMurata
TWD13.40
Each (In a Bag of 10)
units
2.2 μH 1.7A 2520 2.5mm - 2mm 1.1mm - 2.5 x 2 x 1.1mm Yes - 110mΩ LQH Ferrite
RS Stock No. 724-1680
Mfr. Part No.DLW31SN222SQ2L
BrandMurata
TWD42.00
Each
units
- 200mA 1206 (3216M) 3.2mm - 1.6mm 1.9mm - 3.2 x 1.6 x 1.9mm - ±25% 1.2Ω DLW31S -
RS Stock No. 839-0963
Mfr. Part No.LQW18AN3N6C00D
BrandMurata
TWD6.00
Each (In a Bag of 10)
units
3.6 nH 850mA 0603 (1608M) 1.6mm - 0.8mm 0.8mm - 1.6 x 0.8 x 0.8mm Yes ±0.2nH 59mΩ LQW Non-Magnetic Core