M39003/03-2076H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
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-39003/3, CSR23
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	1.2µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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M39003/03-2076H Tantalum Capacitors

Tantalum capacitors are solid electrolytic capacitors known for their stability, low leakage, and high capacitance values in smaller sizes. Utilizing tantalum powder and manganese dioxide, it is a uniquely constructed device that has become a staple in the world of electronics.The M39003/03-2076H is a specialized type of tantallum capacitor used in military and aerospace applications for its stability and reliability in high temperature operation. It features a low profile surface mount design of +125°C case temperature rating, and a C-level Polarity. Its rated capacitance values range from 1uF to 10uF with an operating voltage of 10V to 25V AC/DC.

Application Field

The M39003/03-2076H is primarily used in military and aerospace applications due to its operating temperature range and low profile design. It can be deployed to reduce the size of a circuit board, as well as increase its stability and reliability in harsh environmental conditions. A few common applications of this capacitor are in radar systems, aerospace vehicles, and satellite systems.It can also be used in DC-DC converters, circuit protection applications, and telecommunications equipment to provide effective filtering. In general, its versatile form factor makes it suitable for most high temperature applications and systems requiring low leakage and long term stability.

Working Principle

The M39003/03-2076H uses a solid tantalum powder core as its electrodes with manganese dioxide electrolyte to store charge in the form of electrical energy. The surface of the core is etched to form a porous cathode that increases surface area, allowing for higher capacitance values in smaller sizes. When voltage is applied, the positive charge (electrons) will be drawn towards the negative terminal, creating an electric current. This phenomenon is known as the capacitance effect, where energy is stored in the form of an electric field between the two terminals. The capacitance effect can be used to filter out AC ripple, while also providing a stable voltage source for the circuit. The higher stability and reliability of the M39003/03-2076H makes it suitable for applications that require minimal power fluctuations across the board.

Conclusion

The M39003/03-2076H is a specialized type of tantalum capacitor used in military and aerospace applications for its stability and reliability in high temperature operation. Its versatile form factor and low profile design make it suitable for most high temperature applications and systems requiring low leakage and long term stability. Its working principle employs a tantalum powder core and manganese dioxide electrolyte to store charge and filter out AC ripple, while providing a stable voltage source for the circuit.

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