M39003/09-0305/TR

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are solid electrolytic capacitors that use tantalum for their anodes and manganese dioxide for their electrolytes. They are widely used in automotive, aerospace, and industrial applications and have high capacitance, low leakage current, and excellent temperature stability.

M39003/09-0305/TR Application Field and Working Principle

The M39003/09-0305/TR tantalum capacitor is a surface mount, electrolytic capacitor. It has a high capacitance for its small size, along with superior high temperature stability, a low leakage current, and a high ESR (Equivalent Series Resistance) for better temperature stability. It is designed for use in applications where high capacitance is desired in a limited space, such as in high-frequency switching power supplies and DC/DC converter circuits.

Tantalum capacitors work by using a thin tantalum wire or plate as the anode, and an electrolyte solution (usually manganese dioxide) to provide the ionic conduction from the anode to the cathode. The anode is insulated from the external environment by a dielectric, typically a metal oxide, and the cathode is usually connected to a second anode, which is connected to the ground. When a voltage is applied to the anode, the ions in the electrolyte move across the anode/cathode junction, creating a current. The charge that is stored across the capacitor is determined by the ratio of the capacitance to the ESR (Equivalent Series Resistance) of the device.

The M39003/09-0305/TR tantalum capacitor is rated for up to 8 volts, is constructed of lightweight and durable tantalum and has an operating temperature range of -55°C to +125°C. This makes it ideal for high temperature applications as well as those that require superior high frequency response. The M39003/09-0305/TR has a capacitance of 0.1uF, with a tolerance of ±10% (0.09uF to 0.11uF). It is RoHS compliant and is AEC-Q200 qualified for automotive applications.

The M39003/09-0305/TR is a great choice for a variety of applications that require high capacitance in a tiny form factor. Its high temperature performance and low ESR make it an ideal choice for DC/DC converters and power supplies, as well as automotive applications. Its compact size also makes it a great option for use in low-profile and portable designs.

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