M39003/09-0317/TR

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Tantalum capacitors are used in various applications, including power supplies, DC-DC converters, timing circuits, and motor control. The M39003/09-0317/TR, a radial-lead, molded, solid tantalum capacitor, is a popular choice for analog and digital applications, due to its small size, stable reliability and high capacitance values in a tiny package. It also offers a low-ESR option for bulk energy storage.

The M39003/09-0317/TR is a tantalum capacitor with the following characteristics: C=1.3 uF, ESR=200 miliohm, max voltage=12.5 VDC and surge voltage=17 VDC. The temperature range is -55 to +125C and the device is available without or with a non-polarized coating. The case is made of stainless steel with silver finish, and a hermetic seal is used to prevent moisture intrusion.

The main advantage of this capacitor is its excellent volumetric efficiency, a result of its construction from tantalum powder. Captacitors manufactured using this technology, benefit from the higher specific capacitance compared to other dielectric materials such as ceramic, mica or polyester dielectrics. Additionally, the extremely low ESR, combined with a high ripple current capability, make this capacitor an excellent choice for applications with high dynamic and/or medium frequency ripple current requirements.

The M39003/09-0317/TR is a unique capacitor in terms of its internal construction and operation. The device is composed of a tantalum core and two plates with a dielectric layer between them formed by tantalum pentoxide (Ta2O5). When applying voltage, a thin layer of tantalum pentoxide is formed on the surfaces of the core and plates, serving as a permanent dielectric barrier between them. When no voltage is applied, the tantalum pentoxide layer remains and remains electrically inactive. The capacitance value is kept constant by maintaining the thickness of the dielectric layer throughout the life of the device.

Given its unique construction, with a hermetic seal and a non-polarized coating, the M39003/09-0317/TR offers many advantages for its users. Its small size allows it to be used in high-density circuits or devices. Additionally, its stability makes it ideal for applications which require long-term reliability. With its low ESR and high capacitance values, the capacitor offers an optimal solution for bulk energy storage applications.

In summary, the M39003/09-0317/TR is a popular choice for analog and digital applications due to its unique construction and operation, as well as its high capacitance values, low ESR and hermetic seal. With its combination of size, stability and high capacitance values, this tantalum capacitor is an optimal choice for a wide variety of applications.

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