M39003/03-0454/TR

Series:	Military, MIL-PRF-39003/3, CSR23
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	56µF
Tolerance:	±10%
Voltage - Rated:	20V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	--
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Height - Seated (Max):	--
Lead Spacing:	--
Manufacturer Size Code:	C
Features:	Military
Failure Rate:	S (0.001%)

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Tantalum Capacitors

Tantalum capacitors are electrical components used to store energy within a circuit. They are also known as tantalum electrolytic capacitors and are an important part of any electronic devices. These capacitors use a layer of tantalum oxide as the dielectric material, which gives them superior characteristics such as their larger size, low leakage current, and higher voltage capability. In this article, we’ll discuss the M39003/03-0454/TR application field and working principle.

Application Field

Tantalum capacitors are mainly used in military and aerospace applications due to their reliability and robustness. They are used in applications such as communications systems, navigation systems, and missile guidance systems. They are also used as parts of high-precision equipment, such as medical imaging, measuring, and testing equipment. Their high voltages capabilities make them ideal for use in high power SRVs (servo valve) that are used in high power infrastructure applications such as the wind and solar industries.

Working Principle

Tantalum capacitors use the layer of tantalum oxide as its dielectric material. The oxide is formed on the surface of the tantalum cathode when it is exposed to an electrical current. This forms an electric double layer, which gives the tantalum capacitor its electrical properties. The tantalum anode is connected to a positive voltage, while the cathode is connected to ground. This creates a capacitor, which can store energy either in the form of voltage or current, depending on its desired use. The oxide layer acts as an insulator, preventing the current from flowing freely in the circuit. When a voltage is applied to the capacitor, the oxide layer becomes a barrier, allowing current to flow in only one direction until the capacitor reaches its rated voltage. This gives the capacitor its charge storing and voltage holding capabilities. Additionally, the layer of tantalum oxide increases the capacitance, thereby enabling the capacitor to hold a larger amount of charge compared to other types of capacitors. Tantalum capacitors are known for their reliability and stability. They are not subject to thermal aging, which means that they can maintain their stability over a wide range of temperatures and environmental conditions. This is one of the main advantages of using tantalum capacitors for military and aerospace applications. In conclusion, tantalum capacitors are essential for many technologies. They have a large capacity, high voltage tolerance, and excellent reliability. These traits make them the ideal choice for military and aerospace applications, as well as for high-precision components such as medical imaging and measuring equipment. They use the layer of tantalum oxide as the dielectric material, which allows them to store charge efficiently and prevent current from flowing freely in the circuit.

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