SMV2203-040LF Discrete Semiconductor Products

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The SMV2203-040LF from Skyworks is a variable capacitance diode, also called Varicap, Varactor or Tune Variable diode. It has a relatively low capacitance range compared to many other variable capacitance diodes. The SMV2203-040LF is a Dual Series variable capacitance diode designed with a Si, Schottky Barrier dielectric layer and a gold metallization system. It allows a low capacitance of 0.8 pF at low reverse bias, to a maximum of 8.0 pF at a high reverse bias condition. This diode features a high operating temperature range, from -55°C to +130°C.

The wide operating range of the SMV2203-040LF enables it to be used for many different applications. It is suitable for high stability voltage sensing and voltage regulating in signal conditioning for battery powered applications. It can also be used for impedance matching and filtering in analog radio frequency front-ends. The device is also employed in synchronization circuits for television and instrumentation applications.

The operating principle of the SMV2203-040LF is based on the rectifying properties of the Schottky barrier diode. When a voltage bias is applied to the diode, the depletion region near the junction becomes narrow. This allows electrons to flow across the junction. As the reverse voltage bias increases, the leakage current of the diode also increases. This increase in current leads to an increase in capacitance. The capacitance increase is linearly related to the reverse voltage applied. When the reverse voltage bias is removed, the depletion region increases and the capacitance is reduced.

The SMV2203-040LF has a high breakdown voltage and a low operating temperature range, making it suitable for a wide range of applications. The device is also highly reliable and suitable for use in high voltage, high frequency and temperature applications. It is also ideal for use in industrial and automotive circuit designs.

The SMV2203-040LF from Skyworks is a Dual Series variable capacitance diode that can be used in a wide range of applications. It has a low capacitance range, a high operating temperature range and a high breakdown voltage. The device is suitable for high stability voltage sensing, impedance matching, filtering and voltage regulation in analog RF front-ends, synchronization circuits and battery powered equipment.

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