M39003/01-5663/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	S (0.001%)
Features:	Military
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.135" Dia x 0.286" L (3.43mm x 7.26mm)
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:	±5%
Capacitance:	0.056µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Tantalum capacitors, also known as ‘tantalum electrolytic capacitors’, are one type of electrolytic capacitors which are widely used to store electric charge and provide a variety of applications. Most common among these is the polarized capacitor, which uses a tantalum material as the dielectric, and uses various forms of electrolytes, such as aqueous, organic, and non-aqueous electrolytes, in order to regulate the amount of charge held on the capacitor. The M39003/01-5663 is one specific type of tantalum capacitor, with the suffix ‘HSD’ designating a hermetically sealed version which uses a non-aqueous liquid. This capacitor is well-suited for applications which require high stability and low leakage currents, such as in railroads, air defense networks, and aerospace systems.

Application Field

The M39003/01-5663/HSD capacitor is primarily intended for use in high reliability applications, such as those found in military and aerospace applications. These conditions require capacitors with extremely high temperature and voltage stability, as well as low leakage current and exceptional reliability. The M39003/01-5663/HSD caps, therefore, offer superior performance in these environments, meeting all criteria expected of military-grade components. The capacitor particularly excels in applications where the capacitor is expected to power circuits subject to extreme temperature and voltage ranges, such as in avionics or navigation instruments, where precise measurement of voltage and amperage is essential.

Working Principle

The M39003/01-5663/HSD capacitor is a polarized version of the tantalum electrolytic capacitor, and utilizes a tantalum dielectric material as its integral component. The basic structure of a tantalum electrolytic capacitor consists of an active layer, a dielectric layer, two metal foil electrodes, and a series of leads to connect the device to the outside. Due to the nature of the dielectric material, the charge of one electrode is limited and the charge of the other is proportional to the applied voltage. The M39003/01-5663/HSD uniquely utilizes a non-aqueous electrolyte, also known as a ‘polymer electrolyte’, to further enhance the quality and stability of the device. The polymer electrolyte is highly stable, resulting in a potentiometer effect between the cathode and anode, which provides robust temperature and voltage regulation. The non-aqueous electrolyte is also optically transparent, allowing for easy optical inspection of the capacitor.The hermetic seal of the M39003/01-5663/HSD capacitors provides the utmost reliability, as the capacitor components are wholly encapsulated with an inert gas which prevents oxidation and degradation. This protection also extends the service life of the device while allowing the capacitor to operate in conditions of extreme temperature and voltage.

Conclusion

The M39003/01-5663/HSD capacitor is a high-reliability tantalum electrolytic capacitor designed to meet the rigorous requirements of military and aerospace applications. It uses a non-aqueous liquid as its electrolyte, and its hermetically sealed design provides superior protection against oxidation and degradation. The device’s superior temperature and voltage stability, combined with its low leakage current, make it an ideal choice for applications which need precise voltage and amperage regulation.

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