M39003/01-2843

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:	50V
Tolerance:	±20%
Capacitance:	2.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors: M39003/01-2843 Application Field and Working Principle

Tantalum capacitors are a type of electrolytic capacitor, which consist of an anode and cathode, separated by an electrolyte. They are commonly used in modern electronic circuits as small components that store a charge and place electric current in the circuit. This article discusses the M39003/01-2843 application field and the working principle of tantalum capacitors.

The M39003/01-2843 application field includes military, aerospace, medical and industrial applications, and is suitable for frequencies from 10kHz to 4GHz. The typical uses for the M39003/01-2843 capacitors are power conditioning, signal filtering and voltage protection in circuits. Due to their robustness and reliable performance, these capacitors are preferred in these types of demanding applications.

Tantalum capacitors use a tantalum metal oxide as the anode material and an electrolyte, such as aqueous sodium hydroxide, as the cathode material. This construction leaves the tantalum capacitor with a much higher capacitance than aluminum or other types of electrolytic capacitors, due to its smaller surface area. It also provides the capability to operate with higher capacitance values at low and high temperatures, while maintaining low values of leakage current.

Unlike other capacitors which use various forms of insulation materials, such as paper, polypropylene, and polyester, the tantalum capacitor has a fused dielectric configuration. This is why it is much smaller in size than other capacitors. The working principle of the tantalum capacitor is very simple. When the voltage across the terminals of the capacitor is applied, the chemical reactions between the electrolyte and the anode material cause an electric field across the dielectric of the capacitor, thus inducing a charge on the surfaces of the dielectric. This charge helps in the formation of the capacitor.

When the applied voltage is greater than the saturation voltage of the dielectric, the charge will begin to leak out and the capacitance of the tantalum capacitor will decrease correspondingly. Unlike traditional electrolytic capacitors, the charge stored in the tantalum capacitor can remain stable and unaffected by temperature or humidity, thus providing reliable, long-term operation of the device. As a result, tantalum capacitors are widely used in applications where stability and high reliability are required. This makes them ideal for use in high frequency and medical technologies.

In conclusion, the M39003/01-2843 application field and working principle is suitable for a wide variety of industrial, military, aerospace and medical applications. With its fused dielectric construction, these capacitors are smaller in size and offer higher capacitance. This makes them highly reliable and stable in operation, thus providing long-term stability and performance. This guarantees that any circuit or device which includes the M39003/01-2843 capacitor will perform reliably and consistently.

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