M39003/01-2898/T99

Lifetime @ Temp.:	--
Failure Rate:	R (0.01%)
Features:	Military
Ratings:	--
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	Military, MIL-PRF-39003/1, CSR13
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	75V
Tolerance:	±10%
Capacitance:	10µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum Capacitors

The M39003/01-2898/T99 is an example of a tantalum capacitor. These capacitors use a solid, highly conductive material that is often aluminum, tantalum, or niobium oxide as the primary electrostatic storage medium, with two electrodes connected in a dense roll or sheet. These capacitors offer a number of advantages over other types of capacitors, such as high capacitance, low ESR, and low leakage current.

Application Field

Tantalum capacitors are widely used for a variety of applications. They can be used for decoupling in electronic circuits, blocking dc current, providing a back-up power supply, and capacitive absorption in filters and oscillators. Also, they are being used more and more for bypass applications, as they offer significant advantages over other types of capacitors such as increased operating temperature range, low electrostatic discharge sensitivity, and improved reliability. Additionally, these capacitors can be used for high frequency applications, such as power amplifiers, RF networking systems, and high-speed digital switching applications. They have excellent capacitance and stability, and their relatively low ESR makes them a good choice for these applications. Furthermore, these capacitors are increasingly being used in automotive electronics, as they offer a stable and reliable solution for fuel injection systems, ignition modules, and other critical applications. The large capacitance and appropriate voltage rating of these capacitors make them suitable for such applications.

Working Principle

When a capacitor is charged, a thin dielectric layer forms between the two electrodes of the capacitor. This dielectric layer does not allow current to pass through, thus storing the electrical energy. This stored energy can then be discharged as and when required.Tantalum capacitors use tantalum or niobium oxide as the dielectric. The high-conductivity of these materials makes it ideal for use as the dielectric medium in capacitors. When electricity is passed through the capacitor, an electric field is created which causes electrons to be drawn to the anode. This creates a positive field on the anode and a negative field on the cathode. This electric field creates a potential where the electric charges are stored.When a potential is applied across the capacitor, the dielectric layer blocks the flow of electrons. This prevents the stored energy from being discharged, thus allowing the capacitor to maintain a steady voltage. The current that passes through the capacitor is proportional to the voltage applied across it. The dielectric layer is also responsible for the capacitance of the capacitor, which determines its ability to store energy. The two electrodes of the capacitor will have different capacitances, due to the thickness of the dielectric layer. The larger the dielectric layer, the higher the capacitance of the capacitor.

Conclusion

The M39003/01-2898/T99 tantalum capacitor is an example of the wide range of applications these capacitors have to offer. As the dielectric layers are composed of highly-conductive materials like tantalum or niobium oxide, these capacitors are able to store large amounts of energy, making them an ideal choice for high-frequency applications, decoupling, and automotive electronics.

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