Operating Temperature:	-55°C ~ 125°C
Failure Rate:	P (0.1%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors: M39003/03-0275/TR Application Field and Working Principle

Tantalum capacitors are some of the most incredible components, performing the vital task of storage and release of electrical energy. Their application field and working principles are discussed in this article. Tantalum capacitors can be found in a wide variety of commercial, industrial, and military electronics applications. This is due to their proven reliability, stable temperature performance, and suitability for high-frequency circuits and long-term use. Within these application fields, M39003/03-0275/TR capacitors specifically are versatile and combine the features of a polarized capacitor and a non-polarized capacitor, making them suitable for a wide range of applications. This specific model of tantalum capacitors has an operating temperature range of -55 to 125 degrees celsius and a rated voltage of 12-17V. They have an AC leakage rating of 0.2CV, a low dissipation factor and ESR, and a capacitance range of 0.1µF to 4.7µF. Tantalum capacitors are made using a material with the chemical symbol Ta, which is derived from the Greek word “tantalos”. The material is a heavy metal found in nature and is used in the construction of this type of capacitor because of its unique dielectric properties.Generally, tantalum capacitors consist of a tantalum core and two layers of oxides which act as the two plates of the capacitor. The tantalum core is surrounded by dielectric material and electrically connected to the two outer plates. The oxide layers are of different thicknesses and the capacitance of the component is determined by the material and the thickness of these layers.The working principle of the tantalum capacitor family is based on the fact that an electric current passes through a dielectric material (in this case, the oxides), charging and storing energy. When the external voltage is applied to the capacitor, the electric charge stored in the dielectric is released, creating an electric current. Furthermore, when the external power is removed, the charge held in the capacitor is maintained until the external voltage is reapplied. The capacitance of these ingenious components is dependant upon a number of factors including temperature, frequency of operation, and material used for the dielectric.A practical example of these capacitors in use is in filter circuits and audio systems. In a circuit like this, the capacitor acts as a low pass filter to reduce the amount of high-frequency noise while allowing the AC signals to pass through. Similarly, when used in audio systems the capacitor serves to reduce the amount of what is referred to as “ground noise” created by the speakers. In these systems the capacitors provide power to the speakers and also act to reduce the amount of interference from the various sources within the circuit. In conclusion, M39003/03-0275/TR capacitors are a type of tantalum capacitors that offer stability, reliability, high-frequency performance, and low leakage. Due to these qualities, they are employed in a wide range of application fields and are valued for their performance and efficient operation. Their working principle is based on the electric charge stored and released in a dielectric material. Examples of the capacitors being used include filters and audio systems where they serve to reduce noise and improve the performance of the system.

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