M39003/01-7204/PR

Lifetime @ Temp.:	--
Failure Rate:	C (0.01%)
Features:	Military
Ratings:	--
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
Series:	Military, MIL-PRF-39003/1, CSR13
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	2.2µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Introduction

Tantalum capacitors are among the most commonly used types of capacitors. They are widely used as decoupling and timing capacitors in electronic systems. The M39003/01-7204/PR type of tantalum capacitor is a surface mount dual anode tantalum capacitor designed for use in military and aerospace applications. This article will discuss the application fields and working principle of the M39003/01-7204/PR capacitors.

Applications of M39003/01-7204/PR Capacitors

M39003/01-7204/PR capacitors are designed for use in critical, high reliability applications where the highest levels of performance and reliability are required. They are ideal for decoupling and signal processing, and are commonly used in military applications. They can be used as either a DC blocking or AC decoupling capacitor and can handle high voltages, up to 125V. They are also suitable for use in DC-DC converter designs and in DC motor control circuits.

Working Principle of M39003/01-7204/PR Capacitors

The M39003/01-7204/PR capacitors employ a dielectric of sintered tantalum powder, a dielectric material possessing excellent insulation and thermal conductivity. The sintered material is then placed between two metal electrodes which are connected to the outside of the capacitor. An internal resistor is also included to reduce the effects of voltage and current surges.The two metal electrodes act as either a positive or negative plate of a capacitor. The dielectric material allows a current to flow through the capacitor when a voltage is applied to the plates. When the applied voltage exceeds a certain threshold, known as the dielectric breakdown voltage, the dielectric material begins to break down and an arc is formed. This arc causes the metal plates to heat up, which can eventually cause the capacitor to fail. The inclusion of the internal resistor helps to reduce the amount of current flowing through the capacitor and, therefore, decreases the chance of failure due to an arc forming.In addition to the internal resistor, M39003/01-7204/PR capacitors also employ a film type construction. The film is applied to the inside of the capacitor and provides further protection against breakdown. This film helps to reduce the effects of dielectric absorption, a phenomenon which can reduce the capacitor’s effective capacitance.

Conclusion

The M39003/01-7204/PR type of tantalum capacitor is designed for use in high reliability applications where the highest levels of performance and reliability are required. They employ a sintered tantalum powder dielectric material and two metal electrodes to create a capacitor. An internal resistor is included to reduce the effects of voltage and current surges, while a film type construction helps to protect against dielectric absorption. This makes the M39003/01-7204/PR capacitor an ideal choice for decoupling and signal processing in a variety of applications.

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