M39003/03-0152

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Tantalum capacitors are highly reliable, low profile, long life, and temperature stable capacitors. M39003/03-0152 is a type of tantalum capacitors used in critical applications such as aerospace, military and medical applications. The solid electrolyte pellets and the conductive pellet make up the capacitors in the following way: The solid electrolyte acts as insulator, providing the dielectric charge, while the conductive pellet acts as the metalized cathode, providing the required conduction to the capacitor. An anode of a lower dielectric constant material is used on the opposite end for negative voltage applications. The pellet electrolyte that is used is usually a special electrolyte with a low dielectric constant, giving small form factor devices and the highest CV values. As for the architecture, the M39003/03-0152 device is a dual-sided axial leaded device with a square pellet tantalum capacitor. This product is available in case sizes from 1150 inches to 3/4 inch, with an operating temperature range of -55°C to 125°C.

The main application field for M39003/03-0152 is for aerospace, military, and medical applications. In these sectors the device is used as a voltage regulator, a bypass capacitor, power supply filter, and in switch-mode power supplies. Aerospace and military applications are especially stressed due to the need of accurate components, such as the M39003/03-0152, which is able to offer higher rated current and voltage limits than conventional electrolytic capacitors and also offer higher ripple current, capacitance and frequency responses.

The working principle of M39003/03-0152 is based on the charge transfer from one plate to the other while an applied voltage is placed across the capacitor. The pellet acts as an insulator, where the charge is stored between the two electrodes within the electrolyte. The pellet electrolyte material in the capacitor allows for a much larger conduction of current when compared with conduction of charges in other types of capacitors. With this architecture, M39003/03-0152 offers a higher voltage rating and ripple current rating (as much as 800 mA) with a high capacitance value (up to 220 nF) and even a high frequency response.

In terms of additional benefits, M39003/03-0152 also offers a lower ESR compared to other capacitors, making it a very efficient device. The temperature stability profile of M39003/03-0152 capacitors also surpasses that of other capacitors, as they have a lower change in capacitance and ESR rating over an operating temperature range.

Overall, the M39003/03-0152 capacitors can be described as an excellent choice for applications requiring a high degree of accuracy and reliability. It offers superior voltage and ripple current ratings, with a wide range of capacitance capabilities and good temperature stability. Furthermore, its low ESR and high frequency response capabilities ensure that it is well-suited for applications that require highly precise timing characteristics.

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