M39003/01-2778/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
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:	20V
Tolerance:	±10%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors: M39003/01-2778/TR Application Field and Working Principle

Tantalum capacitors are capacitors that use tantalum metal for the electrodes, instead of the more traditional material of aluminum. These capacitors have a wide range of uses due to the unique electrical properties of tantalum metal. The M39003/01-2778/TR is a specific type of tantalum capacitor, used in a variety of applications. This article will explore the application field and working principle of the M39003/01-2778/TR.The M39003/01-2778/TR is a type of electrolytic capacitor, as opposed to the more commonly used ceramic capacitor. An electrolytic capacitor is composed of two metal plates, which are typically made of aluminum and are separated from each other by an insulating material, usually a layer of electrolyte or oxide. The aluminum plate is called the anode, while the other metal plate is called the cathode. The electrolyte acts as an ionic conductor, allowing electrons to flow between the metal plates.The M39003/01-2778/TR features an internal anode comprised of a solid sheet of tantalum metal. This tantalum metal plate is capable of storing much higher electrical charge than an aluminum plate, due to its higher breakdown strength and much lower equivalent series resistance (ESR). This makes the M39003/01-2778/TR ideal for high-voltage applications. It is also capable of operating in a wide temperature range, from – 65 C to +125 C.The M39003/01-2778/TR also features a cathode that is constructed from manganese dioxide, rather than the more traditional aluminum oxide cathode. This gives the M39003/01-2778/TR several advantages over other tantalum capacitors, such as a larger capacitance range (up to 4700uF), greater operational temperature range, and much lower ESR. Additionally, this capacitor also has an extended shelf life, with a minimum lifetime of 5,000 hours. It also has a very low self-discharge rate (less than 5% after one year).In terms of its application field, the M39003/01-2778/TR is primarily used as a power supply storage and filtering capacitor. Its high voltage capability and low ESR makes it ideal for voltage smoothing, ripple reduction, and charge storage. It is also used in high-power applications such as power management, DC-to-DC converters, and LED lighting.The M39003/01-2778/TR works on the basic principles of capacitance. Capacitance is the ability of a material to store an electrical charge. The two metal plates (anode and cathode) act together to store this electrical charge, and have different levels of capacitance depending on the size and spacing between them. When a voltage is applied to the capacitor, the electrons will flow between the plates, creating a current. This current continues until both plates have the same potential (or voltage) at which point the capacitor is considered “charged”.In conclusion, the M39003/01-2778/TR is a type of tantalum capacitor that has several advantages over traditional aluminum electrolytic capacitors. It is capable of storing much higher electrical charge, and its cathode material allows for a greater capacitance range and extended shelf life. Additionally, it is used in a variety of applications, primarily as a power supply storage and filtering capacitor. The M39003/01-2778/TR uses the principle of capacitance to store electrical charge and allow current to flow between the metal plates.

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