Operating Temperature:	-55°C ~ 125°C
Failure Rate:	M (1%)
Features:	Military
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.185" Dia x 0.474" L (4.70mm x 12.04mm)
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:	10V
Tolerance:	±10%
Capacitance:	56µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

M39003/03-0121/TR Application Field and Working Principle

Tantalum capacitors, also known as tantalum electrolytic capacitors, use tantalum as electrodes. Compared to other types of capacitors, tantalum capacitors have unique advantages that have made them attractive to wide range of applications. This article looks at the application field and working principles of M39003/03-0121/TR tantalum capacitors.The main application fields of M39003/03-0121/TR tantalum capacitors are in military, industrial, high frequency, power supplies, and telecommunications. Within these fields, these components are used primarily for their high performance characteristics, including high capacitance, small package size, higher voltage rating, and high stability.The working principle of M39003/03-0121/TR tantalum capacitors is based on their construction. A tantalum capacitor consists of a tantalum anode, a tantalum oxide dielectric layer, a tantalum electrolyte, and a cathode. This is in contrast to other types of capacitors that generally use a ceramic or plastic dielectric material. When a voltage is applied across the anode and cathode, the oxide dielectric layer initially blocks current flow. However, as the voltage is increased, the current starts to flow through the oxide layer, resulting in an increase in capacitance up to a certain point. The dielectric layer "breaks down" at higher voltages, which is the point at which capacitance begins to decrease. This concept is known as the capacitance-voltage (CV) characteristic of a capacitor. Additionally, the dielectric layer continues to grow as the voltage is increased, which is referred to as the capacitance-time (CT) characteristic of the capacitor.The advantages of M39003/03-0121/TR tantalum capacitors are due to the properties of the oxide layer. The layer provides a good insulation layer for current flow, and it also has a higher dielectric constant than other materials typically used in capacitors. This higher dielectric constant results in a higher capacitance for a given size of the capacitor, allowing for more capacitance in a smaller package size. Additionally, tantalum capacitors are known for their high operating temperatures, which allows for more efficient use in extreme conditions.They are also known for their superior resistance to corrosion, which makes them ideal for use in harsh environments. These capacitors also have a higher leakage current than traditional capacitors, which limits the amount of energy that can be used efficiently in certain applications. This high leakage current also reduces the effectiveness of the capacitor in certain locations, such as in high frequency applications where it is important to limit the energy lost as heat due to the leakage current.In summary, M39003/03-0121/TR tantalum capacitors provide a wide range of applications due to their high performance characteristics. They benefit from a higher dielectric constant, small package size, and high stability. Additionally, these capacitors have a higher resistance to corrosion and higher leakage current than traditional capacitors, which can limit their effectiveness in certain applications.

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