M39003/09-2018/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
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):	60 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	10V
Tolerance:	±5%
Capacitance:	180µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors - M39003/09-2018/HSD Application Field and Working Principle

Tantalum capacitors, also known as electrolytic capacitors, are the most common type of capacitor used in electronic circuit layouts. Measuring from a few hundred picofarads to large units of a thousand farads, they find a wide variety of applications in everything from high-frequency noise attenuation and power management to stabilized power supplies and voltage regulators. A typical tantalum capacitor comprises an anode and a cathode connected internally by two solid polymeric layers, a spacer, and a protective sleeve. The anode is made of sintered discs of highly purified grade 4 tantalum. The discs are placed on the cathode, which typically consists of a lower oxide layer and a top manganese dioxide layer. The interconnections between the anode and cathode, also known as dielectric layers, form the main structural components of the capacitor. The primary dielectric layers prevent direct electrical current flow between the two electrodes and help to ensure that the capacitor can maintain a constant voltage supplied to the anode. The key features of the M39003/09-2018/HSD tantalum device are its highly stable performance, low ESR, high ripple current ratings, full-load operating temperature range from -55°C to +125°C, and much higher capacitance-to-volume than other types of capacitors. The capacitance rating of a M39003/09-2018/HSD capacitor is determined by the size of its electrodes and by the thickness of its dielectric layers. Its voltage tolerance is set by the anode voltage rating; while the discharge voltage rating is determined by the spacer\'s electrolyte composition. The ripple current rating is determined by the size and structure of the anode\'s plates. M39003/09-2018/HSD tantalum capacitors are suitable for DC-DC converters, power supplies, inverters, power conversion circuits, switched-mode power supplies (SMPS), Uninterruptible Power Supplies (UPS), control systems, and automotive electronic systems. Tantalum capacitors operate on the same principle as conventional capacitors in that they use the ‘dielectric’ insulator layer between two metal plates to store electrical energy. The difference is in the construction which is made up of two tantalum powder electrodes in between two layers of a ‘man-made’ dielectric. The man-made dielectric is much thinner and has much higher capacitance than that of a conventional capacitor. The process of forming the capacitor involves applying a voltage of up to 20 volts direct current (DC) across the two electrodes; this forms an oxide layer between the two plates. The electrolytes present in the oxide dielectric layer and the electrodes are then bonded together to form a solid dielectric layer with an effective capacitance. M39003/09-2018/HSD tantalum capacitors provide stable and reliable performance in high temperature applications ranging from -55°C to +125°C, making them the ideal choice for demanding environments. The high reliability and performance of tantalum capacitors have earned them the ‘gold standard’ in industrial-grade capacitors. In summary, M39003/09-2018/HSD tantalum capacitors are highly reliable and offer excellent performance. Their superior features make them ideal for a wide range of applications. They are also characterized by high capacitance-to-volume ratios, stable operation temperature range, and high ripple current ratings.

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