RL875-822K

DC Resistance (DCR):	28.7 Ohm Max
Height - Seated (Max):	0.217" (5.50mm)
Size / Dimension:	0.307" Dia (7.80mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	RL875
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	93mA
Tolerance:	±10%
Inductance:	8.2mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Bulk

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Introduction to Fixed Inductors

Fixed inductors are components designed to limit the flow of electrical current through them in an alternating current (AC) circuit. These inductors consist of an inductance coil formed from a set of conductive wires wound around a ferromagnetic core. The number of turns and the size of the core determine the inductance value of the component; the larger the core, the larger the inductance value. The amount of energy stored in an inductor is determined by its inductance.Fixed inductors are used in various AC circuits such as receivers and transmitters in radio and television systems. They are also used in high-speed digital circuits, power supplies, and other applications.

RL875-822K Application Field and Working Principle

The RL875-822K is a type of fixed inductor manufactured by STMicroelectronics, Inc. It is designed for use in low-frequency AC applications and is capable of providing inductance values of 1.5 ~ 6.7 µH. The inductor consists of a ferrite core with enameled copper wire wound around it. The RL875-822K is suitable for use in a wide range of applications, including general electrical equipment, battery charging, home appliances, electronic parking systems, and other general AC circuits. It features a high inductance and low operational current, making it a suitable choice for applications requiring power and efficiency.The RL875-822K operates according to the principle of inductance. When an AC current flows through the inductor, the magnetic flux generated by the current interacts with the coil, resulting in a voltage drop across the inductor, which is known as the inductive reactance of the inductor. The amount of inductive reactance is proportional to the amount of current, and it is determined by the inductance value of the inductor. The inductive reactance is also inversely proportional to the frequency of the AC circuit; the higher the frequency, the lower the inductive reactance. The RL875-822K is a fixed inductor that is designed to provide consistent inductance values across different AC frequencies. As the frequency increases, the inductive reactance decreases. The RL875-822K is also designed to be able to operate in temperatures ranging from -40°C to +125°C, making it suitable for use in many different types of applications.

Conclusion

The RL875-822K fixed inductor from STMicroelectronics, Inc. is a component designed for use in low-frequency AC applications. It is capable of providing inductance values of 1.5~6.7 µH and features a high inductance and low operational current. It is suitable for use in a wide range of applications, including general electrical equipment, battery charging, home appliances, electronic parking systems, and other general AC circuits. The RL875-822K operates according to the principle of inductance, with its inductive reactance being inversely proportional to the frequency of the AC circuit.

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