M39003/03-3027/98

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Tantalum capacitors are used in a wide variety of applications, from medical equipment to consumer electronics, due to their small size, low profile, and excellent electrical properties. One of the more popular types is the M39003/03-3027/98, a surface mount tantalum capacitor that is popular due to its low profile and relative ease of soldering.

The M39003/03-3027/98 is designed with a single externally isolated case with parallel-mounted terminals. They are available in several package sizes, including 0603, 0805, and 1206, and can be rated for voltage up to 16V depending on the specific package type. The capacitance range of this capacitor is from 18mF to 47mF, and it can be used in temperatures ranging from -55C to +125C. This capacitor also has an excellent ESR value, with typical values as low as 1.6 ohms.

The main advantage of the M39003/03-3027/98 capacitor is its low profile and ease of soldering. Due to its small size, it is very easy to install and work with in tight spaces, such as inside of consumer electronics and embedded medical applications. Additionally, due to its good ESR value, it is well suited for high-frequency applications, such as wireless communications.

The working principle of this capacitor is similar to other types of capacitors. It works by storing electrical energy by forming an electrical field between two conductive plates, which are separated by a dielectric material. When a voltage is applied across the plates, electrons are displaced, forming an electric field between them. The electric field then stores the energy until the voltage is removed, at which point the electrons are released and the field collapses.

In the case of the M39003/03-3027/98 tantalum capacitor, the two conductive plates are made up of a sintered tantalum powder, which is then folded inwards to form the packages. The dielectric material is a manganese dioxide paste, which is what gives the capacitor its excellent ESR value. The plates are then wrapped in a polymer case and soldered to the circuit board with two terminals. This arrangement enhances the overall electrical performance of the capacitor by allowing for a higher operating voltage and improved thermal stability.

In conclusion, the M39003/03-3027/98 is a reliable, low-profile, surface-mount tantalum capacitor that is suitable for a variety of applications, from consumer electronics to embedded medical applications. Its small size makes it well suited for tight spaces, and its good ESR value makes it great for high-frequency applications. Its working principle is similar to other types of capacitors, and its unique construction with sintered tantalum and manganese dioxide paste gives it good electrical properties and improved thermal stability.

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