LK1005R33M-TV

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The LK1005R33M-TV is a high-quality fixed inductor, or simply known as a coil, specifically designed for ultrasonic sensors, power line noise filtering, and automotive electronics applications. It is part of the 1005 series of inductors created by the leading inductor manufacturer, Rohm. This type of inductor is of the radial type, and has a metal surface-mount package.

The main feature of the LK1005R33M-TV is its high inductance value which makes it perfect for applications where a very low level of DC current is required. In particular, this inductor is designed for ultrasonic sensor applications which rely heavily on DC currents that are too small for linear voltage regulators and generally require an inductive component to provide the necessary current. Its high inductance value also makes this inductor ideal for high-frequency filtering of power line noise in automotive and telecommunications electronics.

The working principle of the LK1005R33M-TV is based on a simple inductor. An inductor creates a magnetic field in response to the current flowing through it. By shifting the location of the inductor, the magnitude of the magnetic field can be changed, resulting in a change in the inductance value. This phenomenon can be observed in the graph relationship between the inductance of the inductor and the current passing through it, known as the inductance curve.

The typical static inductance of the LK1005R33M-TV is 33 µH with a rated maximum current of 1.3 A. Its operating electrical characteristics are 21 kHz at 100 mA and 370 kHz at 500 mA. The inductance tolerance is rated at ±30%, and its operating temperature range is between -25°C and +85°C. With a maximum DC resistance of 0.24 Ohms at 25°C, this inductor offers excellent heat dissipation capabilities.

The 1005 series of inductors from Rohm make the LK1005R33M-TV an excellent choice for use with ultrasonic sensors and power line noise filtering applications. Its ability to maintain consistent performance over a wide temperature range, as well as its robust design make this type of inductor an important component used in the design of reliable and durable electronics.

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