M39003/03-0351/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
Features:	Military
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
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	20V
Tolerance:	±10%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors and the M39003/03-0351/HSD Application Field and Working Principle

Tantalum capacitors are part of a family of capacitors that includes aluminum electrolytic and polymer. They are widely used in many applications due to their excellent characteristics, including high capacitance per volume and high temperature stability. Tantalum capacitors also stand out as a valuable component for their small size and weight. The M39003/03-0351/HSD is a radial leaded, surfacemount, 4-terminal, aluminum/tantalum solid electrolytic capacitor. It is also designed for use in aviation, space and military equipment. It is available in two versions: SM and TH. The SM version offers a longer life due to its larger contact area and improved use of heat dissipation compared to the TH version.The working principle of a tantalum capacitor involves the use of electrodes made of special metals with a high capacitance-to-volume ratio. Once the electrodes are placed in a suitable housing, two metal plates are connected to them, one on each end and connected by an electrolytic solution. When a voltage is applied across the two plates, an electric field is formed between them and a current flows creating capacitor’s charge.The two metals in a capacitor have different electrical properties, so their electrostatic charge is different depending on the applied voltage. The tantalum plate has a negative charge due to the anion, which has a higher electron concentration than the positive charged cation at the opposite plate. This charge differential allows for the flow of current and the creation of an electric field.The capacitor\'s value is determined by its size and thickness, and the value of the constant voltage applied. With higher applied voltages, the capacitance drops, while with lower voltages, the capacitance increases. In a tantalum capacitor, the constant voltage applied is typically between 2.0 - 3.6 volts.The value of the capacitor depends on the amount of current that flows, which is determined by the amount of charge to be stored. It also depends on the operating temperature of the capacitor, which should be monitored to make sure it does not overheat.The M39003/03-0351/HSD capacitor is designed to operate at a constant voltage of 2.5 volts. It is also capable of withstanding temperatures as high as +150°C. With its low impedance and ability to handle high levels of RF frequency, this capacitor is ideal for use in aerospace, military and medical equipment.In conclusion, the M39003/03-0351/HSD is a high-end tantalum capacitor with excellent characteristics. It is a dependable component for a variety of applications including aircraft, space and military systems. Its small size, high temperature stability, good capacitance-to-volume ratio, and low impedance make it an ideal choice for electronics with specialized needs.

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