Surface Mount Inductors

Surface mount inductors, or SMD inductors, are a type of inductor which is mounted to the surface of the PCB, instead of the traditional through-hole technology. They feature pads which are soldered onto the PCB to create an electric circuit.

Surface mount inductors are passive components (i.e. requiring an external power source) that uses an electromagnetic field to control current.

There are different types of surface mount inductor, such as wire wound and multilayer surface mount inductors. Wire wound inductors 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 Multilayer surface mount inductors consist of two conductive coil patterns in the upper part of a inductor. These coils connect with two similar coil patterns on a lower layer which store energy in the form of a magnetic field when an electrical current flows through them.

What are surface mount inductors used for?

Surface mount inductors are used in power circuits to control the voltage or current. They are often used to prevent changes in the voltage or current from passing through to other components within the circuit, which could cause damage. Surface mount inductors are used in devices which operate at high frequencies such as mobile communication systems, cell phones, Bluetooth devices and tuners.

Types of surface mount inductors

These products are available in many different forms. When choosing surface mount inductors you should consider the requirements of your circuit and choose a model which corresponds to the required current flow, pressure tolerance and temperature that the inductor can handle. This will help you to pair the inductor with the right circuit.


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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. 169-3753
BrandRS PRO
kr 4,271
Each (On a Reel of 600)
Units
22 μH 2.8A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 36mΩ - -
RS Stock No. 741-9016
BrandRS PRO
kr 4,132
Each (In a Bag of 5)
Units
330 μH 950mA 27 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 640mΩ - -
RS Stock No. 741-8868
BrandRS PRO
kr 4,696
Each (In a Bag of 5)
Units
22 μH 2.8A 25 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 36mΩ - -
RS Stock No. 169-3773
BrandRS PRO
kr 5,998
Each (On a Reel of 400)
Units
330 μH 950mA 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 640mΩ - -
RS Stock No. 741-8972
BrandRS PRO
kr 4,784
Each (In a Bag of 5)
Units
47 μH 2.5A 27 12.5mm - 12.5mm 6mm - 12.5 x 12.5 x 6mm Yes ±20% 100mΩ - -
RS Stock No. 169-3766
BrandRS PRO
kr 4,271
Each (On a Reel of 400)
Units
47 μH 2.5A 27 12.5mm - 12.5mm 8mm - 12.5 x 12.5 x 8mm Yes ±20% 100mΩ - -
RS Stock No. 169-3438
BrandRS PRO
kr 4,097
Each (On a Reel of 500)
Units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 2.02Ω - -
RS Stock No. 124-5577
BrandRS PRO
kr 4,604
Each (In a Pack of 20)
Units
±680 μH 400mA 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 2.02Ω - -
RS Stock No. 169-3703
BrandRS PRO
kr 2,689
Each (On a Reel of 500)
Units
15 μH 3.1A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm No ±20% 46mΩ - -
RS Stock No. 123-4657
BrandRS PRO
kr 2,262
Each (In a Pack of 20)
Units
47 μH 170mA 1210 (3225M) 3.2mm - 2.5mm 2.2mm - 3.2 x 2.5 x 2.2mm - ±10% 1.69Ω - -
RS Stock No. 740-9280
BrandRS PRO
kr 4,848
Each (In a Bag of 5)
Units
470 μH 160mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 6.78Ω - -
RS Stock No. 169-3737
BrandRS PRO
kr 2,43
Each (On a Reel of 1500)
Units
220 μH 400mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 1.2Ω NPI54C -
RS Stock No. 124-5571
BrandRS PRO
kr 5,794
Each (In a Pack of 10)
Units
±330 μH 160mA 16 6.6mm - 4.45mm 2.92mm - 6.6 x 4.45 x 2.92mm No ±20% 3.8Ω - -
RS Stock No. 123-4658
BrandRS PRO
kr 4,218
Each (In a Pack of 10)
Units
100 μH 600mA - 7.3mm - 7.3mm 4.5mm - 7.3 x 7.3 x 4.5mm Yes ±20% 610mΩ - -
RS Stock No. 740-9508
BrandRS PRO
kr 7,87
Each (In a Bag of 5)
Units
100 μH 3A 52 18.4mm - 15mm 7mm - 18.4 x 15 x 7mm No ±20% 190mΩ NPI52W -
RS Stock No. 124-5612
BrandRS PRO
kr 3,257
Each (In a Pack of 25)
Units
100 μH 350mA 0105 10.6mm - 10.5mm 5mm - 10.6 x 10.5 x 5mm Yes ±20% 253mΩ - -
RS Stock No. 169-3732
BrandRS PRO
kr 0,84
Each (On a Reel of 1500)
Units
56 μH 800mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 400mΩ NPI54C -
RS Stock No. 740-9592
BrandRS PRO
kr 0,865
Each (In a Bag of 20)
Units
56 μH 800mA 54 5.8mm - 5.2mm 4.5mm - 5.8 x 5.2 x 4.5mm No ±10% 400mΩ NPI54C -
RS Stock No. 169-3433
BrandRS PRO
kr 4,097
Each (On a Reel of 500)
Units
±1.5 μH 6.4A 31 12.8mm - 9.3mm 5mm - 12.8 x 9.3 x 5mm - - 10mΩ - -
RS Stock No. 169-3777
BrandRS PRO
kr 3,011
Each (On a Reel of 2500)
Units
2.2 μH 2.04A 43 4.7mm - 4.7mm 2.8mm - 4.7 x 4.7 x 2.8mm Yes ±20% 31.3mΩ NPIS43D -