Operating Temperature:	-55°C ~ 125°C
Failure Rate:	M (1%)
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-39003/9, CSR21
ESR (Equivalent Series Resistance):	85 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	20V
Tolerance:	±5%
Capacitance:	82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

M39003/09-0048/HSD Application Field and Working Principle

Tantalum capacitors are a type of capacitor that is highly reliable and efficient, making them an ideal choice for many electrical engineering applications. They are often found in high-end audio equipment, medical devices, computers, and other electronic devices that need a reliable, long-lasting capacitor. The M39003/09-0048/HSD is an ultra high-capacity SMD (Surface Mount Device) tantalum capacitor designed for application in power supplies, buses, switching converters, and other electronic systems. The principal of operation behind tantalum capacitors is relatively simple but effective.Tantalum capacitors are constructed out of a solid bar of sintered tantalum powder which has a very low dielectric constant. It is then inserted into a dielectric insulator, usually made of ceramic, polyester, or paper. The ends of the tantalum bar are then connected to two metal electrodes, commonly aluminum, tin, or lead. This creates a charge-discharge mechanism inside the tantalum capacitor, allowing it to function as a storage device for electrical energy.The M39003/09-0048/HSD is a through-hole type tantalum capacitor with an extremely high capacitance of 9.76mF. The part features a polarized construction, allowing for easy polarity in the mounting configuration. Its construction consists of a tantalum anode, an insulator layer, and two capacitive electrodes that are both tin-plated. The capacitor also has an operating temperature range of -55° C to +125°C and a rated DC voltage of 75V.The M39003/09-0048/HSD has a wide range of application fields, including power supplies, inverters, drivers, switching converters, and other industrial, military, and aerospace equipment. It is typically used to effectively store electrical energy in high-frequency and large current applications, offering exceptional levels of performance, reliability, and stability.The working principle behind tantalum capacitors is that they use the property of dielectric absorption in order to store electrical energy. This process begins when a positive and negative voltage is applied to the tantalum electrode terminals. This induces an electric field between the two electrodes, resulting in electrons being attracted to the positively charged plate. The electrons then accumulate near the anode’s surface, creating a negative charge on the tantalum. This negative charge induces an opposite charge, or “storage charge”, on the second electrode. This charge can remain in the capacitor even after the original voltage that induced it has been removed. The stored charge can then be used to buffer current and provide a number of specific electrical functions.The M39003/09-0048/HSD is a highly efficient, high-capacity capacitors that provide superior performance in a variety of electrical applications. Utilizing the property of dielectric absorption, it offers excellent levels of reliability, stability, and capacitance. This makes it an ideal choice for the applications it is designed to support.

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