M39003/01-2895H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
Features:	Military
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/1, CSR13
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	75V
Tolerance:	±10%
Capacitance:	6.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Tantalum capacitors are a type of electrolytic capacitors that have a wide range of applications. They are used in various industries and applications thanks to their high capacitance-to-volume ratio, low cost, and long-term reliability. Common applications include audio signal path components, power supplies, and portable electronics. The M39003/01-2895H is a particularly popular tantalum capacitor, and this article will discuss its application fields as well as its working principle.

Tantalum Capacitor Properties

A traditional capacitor consists of two metal plates separated by an insulator. When an electric charge is applied to one plate, a charge of the same size and polarity will occur on the other plate. The magnitude of the stored charge is determined by the capacitance of the capacitor. Tantalum capacitors equip the metal plates with a special layer known as the dielectric film. Tantalum oxide is a particularly effective material for this kind of film, primarily due to its extremely high-dielectric constant. This makes tantalum capacitors much more efficient than traditional capacitors. In addition, they have very low levels of Equivalent Series Resistance (ESR).

M39003/01-2895H Specification and Features

The M39003/01-2895H is an axial-leaded, molded, voltage-dipped, electro-static discharge (ESD) protected capacitor with a reliable dielectric system. It has a maximum capacitance of 68uF, and a maximum DC voltage rating of 25v. The operating temperature range is -55°C to +125°C. Because of its high capacitance-to-volume ratio, the M39003/01-2895H is capable of providing very large storage capacities in a small size. This makes it an ideal choice for portable electronics and other items that require a small form factor. In addition, the low ESR values make them more efficient than traditional capacitors and more suitable for high-temperature environments.

Application Fields

The M39003/01-2895H is suitable for a variety of applications. The most common are:

• Audio systems: In order to filter out any hum or noise from the audio signals, voltage dips must be taken from the signal path. By using the M39003/01-2895H, voltage dips can be taken with much greater efficiency.
• Power supplies: The high capacitance-to-volume ratio of the M39003/01-2895H makes it an ideal choice for use in power supplies. By providing a large charge storage capacity in a small size, the components can be easily fitted into the circuitry.
• Portable electronics: Due to its small size, the M39003/01-2895H is particularly suited for use in portable electronics such as phones, tablets, and laptop computers.

Working Principle

Tantalum capacitors work on the same basic principle as other traditional capacitors, such as electrolytic capacitors. However, they use a different dielectric film. In the case of the M39003/01-2895H, the dielectric film is a tantalum oxide layer that provides a much higher dielectric constant than other materials. When the M39003/01-2895H is exposed to an electric charge, the voltage causes the dielectric film to break down, creating a conductive channel between the two metal plates. This allows the capacitor to store a charge. When the voltage is removed, the dielectric film reforms and the capacitor is able to discharge the stored charge.

Conclusion

The M39003/01-2895H is a popular tantalum capacitor that is suitable for a variety of applications and industries. It is highly reliable, and thanks to its high capacitance-to-volume ratio and low ESR, it is more efficient than traditional capacitors. The exact working principle of a tantalum capacitor is based on the breakdown of the dielectric film, which allows the plates to store and discharge a charge.

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