M39003/01-2652/98

Lifetime @ Temp.:	--
Failure Rate:	P (0.1%)
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:	4.7µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum Capacitors: the M39003/01-2652/98 Application Field and Working Principle

Tantalum capacitors use the special properties of Tantalum metal to provide a compact, efficient storage of electrical charge which can be used in a variety of electronic circuits. These capacitors are highly reliable and have a long service life, making them invaluable for both commercial and military applications. The M39003/01-2652/98 is one such application, and this article provides an overview of the field and working principle behind it.

Tantalum Capacitor Basics

Tantalum capacitors are constructed by combining two plates of Tantalum metal with a dielectric material—usually an organic polymer film—in between. This form of capacitor is known as a sintered tantalum capacitor, and it works by trapping the energy of an electrical charge within the capacitor\'s air gap. Under normal operating conditions, the charge will remain trapped in the capacitor until it is released, usually through a series of pulses. The energy stored in the capacitor is proportional to the voltage applied and the capacitance of the metal plates. The capacitance of a sintered tantalum capacitor can vary from a few picofarads (pF) up to several thousand picofarads (up to several µF).

M39003/01-2652/98 Application Field

The M39003/01-2652/98 is a sintered tantalum capacitor specially designed for use in highly sensitive military circuit boards. It can be used in applications where very high capacitance is required, such as those found in modern radar systems or military avionics systems. The capacitor is also designed to provide a very stable output and operate reliably even at high temperatures. The capacitor is encased in a tough, hermetically sealed package which protects it from environmental hazards such as shock, vibration and other forms of mechanical stress. It is also designed to perform reliably in temperature ranges from -55 to +125°C, making it suitable for use in many extreme environments.

M39003/01-2652/98 Working Principle

The M39003/01-2652/98 operates on the same principle as all sintered tantalum capacitors. When a voltage is applied, the charge stored in the capacitor\'s dielectric layer is released as a pulse and flows through the circuit. When the voltage is removed, the charge is stored back in the capacitor and the process is repeated. The key to its operation is the combination of the capacitor\'s capacitance, its equivalent series resistance (ESR), and its ability to remain constant over the full temperature range. The capacitor\'s high capacitance and low ESR provide a reliable, high frequency pulse which can be used for many applications.

Conclusion

The M39003/01-2652/98 is a reliable, highly capable sintered tantalum capacitor designed specifically for use in military applications. Its robust construction and ability to perform in extreme temperatures make it ideal for use in environments where high temperatures or shocks are likely to be encountered. Its combination of high capacitance and low ESR results in a stable, controllable output, making it a reliable and valuable component in many electronics applications.

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