M39003/01-6382/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
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-39003/1, CSR13
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	100V
Tolerance:	±5%
Capacitance:	1.8µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors, also known as SMD, or Surface Mount Device, capacitors, are among the most popular types of capacitors used today and are widely employed in a huge range of electronic devices. The M39003/01-6382/TR is a type of tantalum capacitor. These capacitors possess many distinguishable features from other capacitor types, such as long life-span, greater heat and vibration resistance, and, when used carefully and correctly, low leakage and higher capacitance ratings. In this article, we will be focusing on the M39003/01-6382/TR application field and working principle.

Application Field

Tantalum capacitors are widely used in the commercial and military industries and have a variety of applications. In power systems, they are often used as bypass, snubber, and surge capacity elements due to their high capacity ratings, or in different control and power management processes. As these capacitors also possess a low ESR rating, they are often used for filtering and voltage regulation in high-frequency power supplies.The M39003/01-6382/TR capacitors are especially developed to improve energy efficiency, circuit utilization, and high-power performance. They offer higher performance than conventional tantalum capacitors, and are designed for demanding applications where higher rated capacitance values and lower ESR are required. The M39003/01-6382/TR capacitors are suitable for automotive systems, consumer electronics, computer peripherals, and voice coil motor applications in digital audio systems.

Working Principle

The M39003/01-6382/TR are manufactured with a tantalum anode and a manganese dioxide cathode. This design gives the capacitors several properties unique to other capacitors.The tantalum rod used on the anode is a relatively pure form of tantalum, and is treated with an oxide coating. When this oxide layer is electrochemically polarized by applying a voltage, it forms an anodic film. The anode oxide layer then acts as a dielectric, and the capacitance will increase. This polarized film also prevents electric shorts from forming by repelling electrons away from the surface.The cathode of a M39003/01-6382/TRcapacitor is made up of a paste of manganese dioxide which is dried in a vacuum. This material acts as an insoluble electrolyte and allows electrons to be drawn from the anode and held in suspension. This process, combined with Ta-oxide layer, stores energy in the form of an electric field.One of the most advantageous features of Tantalum capacitors is their polarizing ability. The M39003/01-6382/TRcapacitors have a high level of precision in terms of their ability to maintain a linear voltage-capacitance curve. This feature permits extremely accurate voltage regulation, which is sometimes critical to certain applications. Additionally, these capacitors also possess a longer lifespan when compared to other types of capacitors.

Conclusion

The M39003/01-6382/TR are powerful and feature-rich tantalum capacitors, specifically developed for applications requiring higher capacitance value and lower ESR, such as automotive electronics, consumer electronics, computer peripherals, and voice coil motor applications. Their advantages include long life-span, greater heat and vibration resistance, and lower leakage and capacitance ratings. They are ideal for a variety of applications, such as power systems, bypass, snubber, and surge capacity elements, and are commonly used for high-frequency power supplies.

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