LK2125R39K-T

Series:	LK
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multilayer
Material - Core:	--
Inductance:	390nH
Tolerance:	±10%
Current Rating:	200mA
Current - Saturation:	--
Shielding:	Unshielded
DC Resistance (DCR):	450 mOhm Max
Q @ Freq:	25 @ 25MHz
Frequency - Self Resonant:	135MHz
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Inductance Frequency - Test:	25MHz
Mounting Type:	Surface Mount
Package / Case:	0805 (2012 Metric)
Supplier Device Package:	0805 (2012 Metric)
Size / Dimension:	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max):	0.041" (1.05mm)

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Fixed inductors, as the name suggests, are components whose inductance remains unchanged when the circuit environment changes. They are commonly applied in filters, dampers, decoupling applications, delay lines, resonators and other high-frequency applications. The LK2125R39K-T is a ceramic multilayer chip inductor from Lelon, a Taiwan-based provider of passive electronic components. It is a small, low-profile, and high-frequency component. Due to its excellent performance characteristics, it is widely used in mobile phones, consumer electronics, computers, and systems requiring high-frequency and high stability.

Application Field

The LK2125R39K-T is a widely used inductor, found in many devices such as smartphones, cameras, laptops, and other consumer electronics. It can also be used in high-frequency, high-stability systems such as communications systems. The component is also used in a variety of power lines, pulse waveforms, and other high-frequency circuits requiring stable characteristics. Due to its high performance and stability, it is suitable for use in the following applications:

• EMI filters (electromagnetic interference filters)
• Power line filters
• High frequency amplifiers and oscillators
• Voltage regulation and power supply systems
• Decoupling and delay lines
• Data transmission and communications
• Mobile phones and cordless phones
• Consumer electronic products

Working Principle

An inductor is an electrical component that stores energy in the form of a magnetic field. It is a passive two-terminal component, consisting of a coil of wire around a core material. The core material is usually made of ferromagnetic material, such as iron or steel. When current passes through the coil, a magnetic field is generated. This magnetic field is stored and can be used to induce a voltage when the current is removed. The LK2125R39K-T uses this principle to provide a stable performance. The ceramic core material provides high-frequency characteristics and high-frequency resonance. In addition, the multilayer structure ensures low resistance and a wide frequency range while providing excellent heat dissipation. This makes the LK2125R39K-T ideal for high-frequency applications.

Conclusion

The LK2125R39K-T is a high-performance, high-frequency ceramic multilayer chip inductor from Lelon. It provides excellent performance in high-frequency, high-stability systems such as communications systems. Its ceramic core material provides high-frequency characteristics and high-frequency resonance, while its multilayer structure ensures low resistance and a wide frequency range while providing excellent heat dissipation. It is suitable for use in a variety of applications such as EMI filters, power line filters, and voltage regulation and power supply systems.

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