SP1210-394G

DC Resistance (DCR):	32.4 Ohm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.138" L x 0.105" W (3.51mm x 2.66mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SP1210
Shielding:	Shielded
Current - Saturation:	65mA
Current Rating:	80mA
Tolerance:	±2%
Inductance:	390µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors, also known as coils, are electronic components used to store energy in the form of an electromagnetic field. They are widely used in circuits, equipment, and telecom applications. An inductor\'s properties define its size, shape, and magnetic behavior. The properties determine the applications they can be used in. In this article, we\'ll take a look at one type of inductor, the SP1210-394G fixed inductor and its application fields and working principle.

Fixed inductors are unique from other inductors because they can maintain a specific inductance at a specific magnetic flux. This means they can be used in a wide variety of applications. The SP1210-394G is a fixed inductor produced by Murata Electronics, a leading manufacturer of integrated circuit components. This specific device has an inductance of 394 nH and can operate at frequencies up to 10 MHz. It also offers an operating temperature range of -40 °C to +85 °C.

The SP1210-394G is commonly used in switching power supplies, filters, and RF communications applications. Its small size and high inductance make it an ideal choice for these applications. It can be used in voltage regulator modules, oscillators, and power inverters, as well as many other applications.In a switching power supply, the SP1210-394G is used to filter and smooth the output voltage. It does this by creating an electromagnetic field that stores and releases energy. The inductor\'s high inductance, combined with its wide range of operating temperatures, allows it to handle high levels of current without degrading its performance.In RF communication applications, the SP1210-394G is used to generate high-frequency signals. This is possible because the device has a high inductance, meaning it is able to create a stronger magnetic field. This stronger magnetic field helps the inductor generate higher frequency signals, making it ideal for RF communication applications.

In addition to its uses in switching power supplies and RF communication applications, the SP1210-394G is also used in many other applications. These include motor frequency control, RF shielding, and power line filters. It is also used in antennas to help reduce interference. Its small size and high inductance make it a great choice for these applications.

The working principle of the SP1210-394G is based on Faraday\'s Law of Induction. This law states that when an electrical current passes through a wire or coil, a magnetic field is created around the wire or coil. This field has the ability to store energy, which is released back into the circuit when the current decreases. This allows the inductor to act as a "smoothing filter" and reduce voltage fluctuations. In addition, the inductor\'s high inductance allows it to generate stronger magnetic fields, which is essential in applications such as RF communication and power line filters.

In summary, the SP1210-394G fixed inductor is a highly versatile device that is used in many different applications. Its small size, high inductance, and wide operating temperature range make it ideal for switching power supplies, RF communication applications, and more. Its working principle is based on Faraday\'s Law of Induction, which allows it to store and release energy, helping to reduce voltage fluctuations in applications where this is desirable.

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