M39003/01-2783/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
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-39003/1, CSR13
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	35V
Tolerance:	±10%
Capacitance:	5.6µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors: M39003/01-2783/TR Application Field and Working Principle

Tantalum capacitors are a type of electrolytic capacitor, consisting of tantalum metal, which acts as an anode, covered by an insulating oxide layer, which further acts as a dielectric, with the cathode being of a different material, usually an electronic-grade carbon. Manufactured through a process of cathode anodization and oxide deposition, they are very compact and offer high capacitive performance compared to other electrolytic capacitors. The M39003/01-2783/TR tantalum capacitors is one of many tantalum capacitor types.

Applications of the M39003/01-2783/TR Tantalum Capacitor

The M39003/01-2783/TR tantalum capacitors are typically used in applications requiring small size, low ESR (Equivalent Series Resistance), high capacitance and high voltage. Such applications include main base power sources, high-end signal amplification equipment, low noise amplifiers and radio receivers, and antennas.

Working Principle of the M39003/01-2783/TR Tantalum Capacitor

The M39003/01-2783/TR tantalum capacitor is an electrolytic capacitor that works on the principle of dielectric absorption. This is when ions in the electrolyte, which acts as a conductor, are attracted to the oxide film on the anode, which is also an electric conductor. This creates a positive charge on the anode side, resulting in a voltage developed across the oxide film that is equal to the applied voltage. This voltage is proportional to the capacitance of the capacitor, which in turn is equal to the total area of the copper plates on the anode and cathode combined. When an electrical field is applied to the capacitor, electrons travel through the dielectric material and build up an electric charge on the anode. When the voltage is removed, the dielectric material discharges, releasing the stored energy back into the circuit.

Advantages of Tantalum Capacitors

Tantalum capacitors are widely used in power supplies, radio receivers, antennas, and other high-end signal amplification and low noise amplifier applications. The advantages of tantalum capacitors over other capacitor types include smaller size, high capacitance to volume ratio, high rated voltage, low dissipation factor, long service life, storage reliability, and excellent temperature characteristics. Due to their extremely small size and high capacitance, tantalum capacitors are ideal for use in tight spaces, such as within PCBs or other miniature equipment. Tantalum capacitors also provide excellent reliability and stability, having a considerably longer life than that of other capacitor types. This is due to the construction of the capacitor, which utilises a tantalum wire as the anode on which an oxide film is formed, acting as the dielectric material.

Disadvantages

Tantalum capacitors are not suitable for applications involving large ripple currents, as they can be prone to failure in such applications due to an excessive build up of heat caused by the ripple current. The dielectric oxide layer can also be damaged by soldering temperatures, meaning tantalum capacitors are not widely used in applications involving high temperatures. Additionally, care should be taken with the handling of these capacitors, as their dielectric film can be easily damaged due to poor mechanical shock or vibration.In conclusion, the M39003/01-2783/TR tantalum capacitors are widely used in applications such as main base power sources, high-end signal amplification equipment, low noise amplifiers and radio receivers, and antennas. They are popular due to their high capacitance, small size and excellent temperature response. Despite their advantages however, they are not ideal for applications involving large ripple currents or high temperatures, as the dielectric oxide layer can easily be damaged by these conditions.

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