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. 715-7099
Mfr. Part No.50475C
€1.15
Each
units
4.7 mH 400mA - 7mm - 5.9mm 3.6mm - 7 x 5.9 x 3.6mm - -30 → +50% 700mΩ 5000 -
RS Stock No. 170-9301
Mfr. Part No.28473C
€0.876
Each (On a Reel of 350)
units
47 μH 2.66A - 18.5mm - 15.2mm 7.6mm - 18.5 x 15.2 x 7.6mm - - 86mΩ 2800 -
RS Stock No. 106-8885
Mfr. Part No.50475C
€0.843
Each (On a Reel of 1000)
units
4.7 mH 400mA - 7mm - 5.9mm 3.6mm - 7 x 5.9 x 3.6mm - -30 → +50% 700mΩ 5000 -
RS Stock No. 715-7471
Mfr. Part No.28473C
€1.10
Each
units
47 μH 2.66A - 18.5mm - 15.2mm 7.6mm - 18.5 x 15.2 x 7.6mm - - 86mΩ 2800 -
RS Stock No. 106-8541
Mfr. Part No.60A582C
€1.322
Each (On a Reel of 200)
units
5.8 μH 22A - 22mm - 19mm 12mm - 22 x 19 x 12mm - ±10% 5mΩ 6000A -
RS Stock No. 905-5021
Mfr. Part No.82154C
€0.278
Each (In a Bag of 5)
units
150 μH 130mA - 2.5mm - 3.2mm 2mm - 2.5 x 3.2 x 2mm - - 5.9Ω 8200 -
RS Stock No. 104-8455
Mfr. Part No.37392C
€1.634
Each (In a Pack of 5)
units
3.9 μH 10A - 14.5mm - 11.5mm 6.8mm - 14.5 x 11.5 x 6.8mm - ±10% 4.2mΩ 3700 -
RS Stock No. 170-9291
Mfr. Part No.35251C
€0.709
Each (On a Reel of 1400)
units
250 nH 15.5A - 6.8mm - 7.6mm 3.2mm - 6.8 x 7.6 x 3.2mm - ±25% 4.5mΩ 3500 -
RS Stock No. 170-9199
Mfr. Part No.38H252C
€0.963
Each (On a Reel of 650)
units
2.5 μH 5.5A - 10.4mm - 10.4mm 5.6mm - 10.4 x 10.4 x 5.6mm - ±20% 15.1mΩ 3800 -
RS Stock No. 106-8547
Mfr. Part No.60B683C
€2.451
Each (In a Tray of 30)
units
68 μH 9A - 27mm - 19.5mm 20mm - 27 x 19.5 x 20mm - ±15% 17mΩ 6000B -
RS Stock No. 167-6233
Mfr. Part No.82103C
€0.253
Each (On a Reel of 2500)
units
10 μH 500mA - 2.5mm - 3.2mm 2mm - 2.5 x 3.2 x 2mm - - 400mΩ 8200 -
RS Stock No. 170-9327
Mfr. Part No.84473C
€0.166
Each (On a Reel of 2000)
units
47 μH 420mA - 3.3mm - 4.5mm 2.6mm - 3.3 x 4.5 x 2.6mm - - 1.1Ω 8400 -
RS Stock No. 104-8488
Mfr. Part No.39H182C
€1.252
Each (In a Pack of 5)
units
1.8 μH 13.5A - 12.9mm - 12.9mm 5.8mm - 12.9 x 12.9 x 5.8mm - ±20% 3.9mΩ 3900 -
RS Stock No. 905-5012
Mfr. Part No.82103C
€0.28
Each (In a Bag of 5)
units
10 μH 500mA - 2.5mm - 3.2mm 2mm - 2.5 x 3.2 x 2mm - - 400mΩ 8200 -
RS Stock No. 104-8502
Mfr. Part No.39U222C
€2.834
Each (In a Pack of 5)
units
2.2 μH 11A - 12.9mm - 12.9mm 5.8mm - 12.9 x 12.9 x 5.8mm - ±20% 5.4mΩ 3900 -
RS Stock No. 125-2421
Mfr. Part No.45104C
€0.399
Each (On a Reel of 1000)
units
100 μH 700mA - 7.3mm - 3.55mm 7.3mm - 7.3 x 3.55 x 7.3mm Yes ±20% 710mΩ 4500 -
RS Stock No. 104-8464
Mfr. Part No.38H301C
€1.294
Each (In a Pack of 5)
units
300 nH 16A - 10.4mm - 10.4mm 5.6mm - 10.4 x 10.4 x 5.6mm - ±30% 2.2mΩ 3800 -
RS Stock No. 715-7440
Mfr. Part No.28102C
€1.10
Each
units
1 μH 15.5A - 18.5mm - 15.2mm 7.6mm - 18.5 x 15.2 x 7.6mm - - 2.6mΩ 2800 -
RS Stock No. 170-9314
Mfr. Part No.40221C
€1.528
Each (On a Reel of 30)
units
220 μH 670mA - 14.22mm - 14.1mm 8.76mm - 14.22 x 14.1 x 8.76mm - - 405mΩ 4000 -
RS Stock No. 167-6229
Mfr. Part No.46103C
€0.437
Each (On a Reel of 1000)
units
10 μH 2.4A - 7.3mm - 4.55mm 7.3mm - 7.3 x 4.55 x 7.3mm Yes - 66mΩ 4600 -