UP2B-220 Inductors, Coils, Chokes

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Fixed inductors refer to a specific category of passive electronic components. They are designed to maintain a constant, predetermined magnetic field, producing little or no change in inductance as current or voltage is varied. The UP2B-220 is one of the most popular fixed inductors on the market today, widely used in a variety of electronic applications.The UP2B-220 is a high-quality, 3-terminal, axial leaded inductor, providing a "rugged" design with excellent thermal performance. This inductor is designed for general purpose, high frequency, high current, low inductance, and low power applications. Its terminals are constructed from high-purity copper, making them ideal for applications in high-power transistors and integrated circuits.In terms of its application fields, the UP2B-220 is most commonly used in DC to DC converters, power supplies, circuit protection, high-power amplifiers, radio-frequency (RF) circuits, and filters. Its wide range of operation currents (ranging from 0 to 2A) makes it suitable for a variety of applications, such as precision current-mode control circuits, power factor correction circuits, and switching-mode power supply (SMPS) circuits.The UP2B-220 is available with an inductance value of 220uH, a resistance of 0.2 ohms, and a self-resonant frequency (SRF) up to 10MHz. Its high limit current of 2A allows it to be used in high-power circuits, while its low DC resistance ensures efficient operation with minimal power consumption. Its spiral construction provides increased thermal resistance, ensuring reliable operation even under high temperatures.The working principle of the UP2B-220 is quite simple. When a current flows through the inductor, a magnetic field is created in the core, allowing the inductor to store energy in the form of a magnetic field. When the current is changed, the magnetic field also changes, inducing the electromagnetic interaction between the inductor and the voltage source. This is what enables the inductor to filter out voltage ripples and other unwanted electromagnetic noise, providing a steady voltage output for the circuit.In summary, the UP2B-220 is a popular fixed inductor widely used in a variety of electronic applications due to its rugged design, high operational efficiency, and wide operating range. Its simple working principle and excellent thermal performance make it an ideal choice for high current, filtering, and power control applications.

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