Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.135" Dia x 0.286" L (3.43mm x 7.26mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	35V
Tolerance:	±10%
Capacitance:	1.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

M39003/03-3064/HSD application field and working principle

Tantalum capacitors are a type of surface-mount electrolytic capacitors that use a tantalum metal oxide layer for the anode and organic manganese dioxide as the cathode. They are widely used in a variety of electronic applications due to their high capacitance, low ESR, minimal self-discharge, and long-term reliability. This article provides an overview of the features and applications of the M39003/03-3064/HSD tantalum capacitor, and an explanation of its working principle.

Features

The M39003/03-3064/HSD tantalum capacitor is a high-voltage capacitor that is ideal for use in telecom, DC/DC converter, and other power supply applications. It has a high capacitance rating of 320μF (20V) and can handle operating temperatures up to 125 °C. It is corrosion- and moisture-resistant, and has a high breakdown voltage of 830V DC. The device also features a low equivalent series resistance (ESR) of 0.0025Ω and a long service life thanks to its advanced organic manganese dioxide cathode.

Applications

The M39003/03-3064/HSD tantalum capacitor is designed for applications in water and medical equipment, telecom, DC/DC converter, and other power supply applications. It is widely used for filtering and as a backup supply of current for equipments that require high power and long service life, like amplifiers, digital circuits, and switching power supplies. It is also used for high-frequency switching, such as in telecommunication devices and electronic speech processors.

Working Principle

The basic working principle of the M39003/03-3064/HSD is the same as that of other tantalum capacitors. The device consists of an anode and a cathode connected by an electrolyte, usually organic manganese dioxide. When an applied voltage is applied across the terminals, the charge passes through the electrolyte and forms a thin conductive layer on the anode surface. This in turn causes a charge to build up on the anode and the cathode, forming a capacitor. The capacitance of the device is determined by the surface area of the anode, the thickness of the oxide layer, and the type of electrolyte used in the device.

Conclusion

The M39003/03-3064/HSD tantalum capacitor is widely used in telecom, DC/DC converter, and other power supply applications due to its high capacitance, low ESR, minimal self-discharge, and long-term reliability. It can handle temperatures up to 125 °C and voltages up to 830V. The working principle is the same as that of other tantalum capacitors, and its capacitance is determined by the surface area of the anode, the thickness of the oxide layer, and the type of electrolyte used in the device.

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