M39003/01-8235/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	D (0.001%)
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:	50V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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IntroductionTantalum capacitors are a type of surface-mount electronic components found in a variety of products, ranging from consumer electronics, such as smartphones and tablet computers, to industrial and medical equipment. The M39003/01-8235/HSD is one type of tantalum capacitor. This article will provide an overview of this capacitor, including its application field and working principle.Application Field The M39003/01-8235/HSD is a high-voltage, surface-mount, wet Tantalum capacitor. It is designed for military, aerospace, industrial, and medical applications, primarily where high-temperature, as well as high-reliability and performance requirements are present. The capacitor is ideal for applications where low ESR (equivalent series resistance), high ripple current and low parasitic inductance are important. Due to its high-voltage rating and high-temperature performance capabilities, this capacitor is well suited for use in high-temperature, avionics, and medical equipment applications, including aircraft, navigation systems, and automotive, as well as in vibration-sensitive applications such as cell phones, tablet computers, and mobile devices.Working PrincipleTantalum capacitors store charge by forming a dielectric layer adjacent to the anode. The dielectric is formed when the Tantalum anode is polarized in an electrolyte solution. This layer has a significantly higher dielectric constant than other metal oxides, providing a greater ratio of capacitance to size.The capacitance of a tantalum capacitor is determined by the area of the anode and the thickness of the dielectric layer. A higher capacitance requires a larger area of the anode and a thicker dielectric layer. The M39003/01-8235/HSD is distinguished from other capacitors with its capacitor plate which has a serpentine shape in order to achieve a higher capacitance. This type of capacitor is also protected by a hermetic seal, providing reliability even in the most hazardous environments.ConclusionThe M39003/01-8235/HSD is a high-voltage, wet tantalum capacitor designed for use in military, aerospace, industrial, and medical applications. It offers a high-temperature performance and reliability, as well as a low ESR and high ripple current. The capacitor stores charge in an electrolyte solution by forming a dielectric layer adjacent to the anode. This dielectric layer has a greater dielectric constant than other metal oxides, providing a higher ratio of capacitance to size. The capacitor is also further distinguished from similar capacitors with its hermetically sealed stainless steel case which allows for unique applications and provides reliability even in hazardous environments.

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