DC Resistance (DCR):	62 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.225" Dia x 0.570" L (5.72mm x 14.48mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	2256R
Shielding:	Unshielded
Current - Saturation:	80mA
Current Rating:	80mA
Tolerance:	±15%
Inductance:	6.8mH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors, also known as coils, are passive components that store energy in the form of magnetic fields. They are used as part of a variety of circuits and applications, including filters, voltage regulators, and input/output switches. Fixed inductors (also known as non-adjustable inductors) are designed to perform a specific task and are often used in relatively simple circuits. Among fixed inductors, 2256R-47L is a relatively common type.

2256R-47L Application Field

2256R-47L is a 4-pin inductor typically used in radio frequency (RF) components. It has a maximum operating temperature of 70 ℃ and can handle frequencies up to 1.2 GHz without any distortion. This makes it ideal for RF receivers, transmitters, and amplifiers used in cellular devices and other portable applications. Additionally, the 2256R-47L is also used in automotive applications such as Bluetooth receivers, GPS systems, and radar systems.

2256R-47L Working Principle

When an alternating current (AC) passes through a 2256R-47L, a magnetic field is generated. This field creates a self-induced voltage or electromotive force (EMF) in the component, which opposes the current flow. This opposed voltage is known as inductive reactance (X), which depends on the frequency of the current and the inductance of the component.In a practical application, when the current passes through the component, the magnetic field builds up to its maximum capacity. When it reaches equilibrium, the generated EMF slows down the current flow which in turn reduces the magnetic field. This cycle continues, and the result is a harmonic oscillation of current through the component in which the oscillation amplitude decreases as the frequency increases. The frequency response of a 2256R-47L is fairly linear, meaning its inductance value is relatively constant for all frequencies between 1 kHz and 1.2 GHz. This makes the inductor suitable for use in high speed digital circuits. Additionally, this part has the capability to maintain a consistent inductance value even at higher temperature ranges, making it a more desirable choice for applications where temperature stability is of paramount importance.

Conclusion

The 2256R-47L is a 4-pin fixed inductor that is well-suited for use in RF receivers, transmitters, and amplifiers. It has a maximum operating temperature of 70 ℃ and can handle frequencies up to 1.2 GHz without distortion. The inductor’s frequency response is linear, and it can maintain a consistent inductance value even at higher temperatures. As a result, the 2256R-47L is a reliable and cost-effective solution for a variety of applications.

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