M39003/03-0246 Capacitors

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Tantalum capacitors are a class of capacitors that are usually in surface mount (SMT) form. They store electrical charge and serve as a primitive form of energy storage device. Tantalum capacitors have a wide range of applications in electronics circuits due to their low equivalent series resistance (ESR) and low cost.The M39003/03-0246 tantalum capacitor is one such type of capacitor. It is used in applications that require a reliable, stable coupling capacitor with a high self-resonant frequency, low ESR, and low cost. The M39003/03-0246 is a radial leaded mid range capacitor with a maximum working voltage of 16 volts DC. It features a low profile of 0.165 inches and is capable of safely withstanding an soldering reflow temperature of +250°C.The M39003/03-0246 capacitor has a dielectric of tantalum with conductive layers of an anodic oxide film, allowing a high Q of up to 40%. Its lead spacing of 0.1 inches is optimized for wave soldering, allowing for a secure PCB connection. The capacitor also features an isolation barrier for enhanced PCB durability while its axial leads also enable it to fit various configurations and be mounted in either directions along the board.This capacitor is typically used in mid range mobile phone applications, as it does not require any extra heat sinking and is capable of operating at temperatures from -55°C to +125°C. Its low profile also enables thinner circuit boards while the small size enables the capacitor to be easily placed in tight spaces. The M39003/03-0246 capacitor is also widely used in aerospace, defence, and medical applications for its high reliability, robustness and low cost.The working principle of the M39003/03-0246 capacitor is based on the conventional capacitor structure, where two metal plates separated by a dielectric are connected in an electrical circuit. When exposed to a voltage, a charge accumulates on the capacitor’s plates and a capacitor discharges when the voltage is removed. In the case of tantalum capacitors, the dielectric material is a tantalum-oxide film, which gives a higher capacitance compared to other types of dielectric material.In summary, the M39003/03-0246 capacitor is a highly reliable, low profile, radial leaded tantalum capacitor with a maximum working voltage of 16 volts DC. It is typically used in mid range mobile phone and aerospace, defence, and medical applications as it provides high reliability and robustness at a low cost. Its working principle is based on the conventional capacitor structure, where two metal plates separated by a dielectric are connected in an electrical circuit to store electrical charge.

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