M39003/09-4053H/98

Series:	Military, MIL-PRF-39003/9, CSR21
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Tolerance:	±5%
Voltage - Rated:	35V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	160 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Height - Seated (Max):	--
Lead Spacing:	--
Manufacturer Size Code:	C
Features:	Military
Failure Rate:	D (0.001%)

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Introduction

Tantalum capacitors are essential pieces of electronic hardware. While they may not be the flashiest devices in a system, they are vital in ensuring that electronic components and circuitry functions correctly. The M39003/09-4053H/98 is a high quality tantalum capacitors, and the following article will provide an overview of their application field and working principle.

Construction and Design

Tantalum capacitors use a sintered tantalum anode, which is linked to a special dielectric variation. The anode takes the form of a small anvil with a layer of oxide on its surface. This oxide layer acts as the capacitor’s dielectric layer, which is essential for the capacitor’s performance. Above the dielectric layer comes a thin layer of activator material, which differs between manufacturers but typically takes the form of a polymer or a metal oxide. Finally, the layers are covered with a metallic cathode conductor.

Application Field

The M39003/09-4053H/98 are suitable for a wide variety of applications due to their high quality and reliability. These capacitors have a standard temperature range of -55 to 125 degrees celsius and, depending on the structure, can be used in high temperature areas. They also boast a high ripple current, making them ideal for power regulation. Some other common applications include:

• Power conversion
• DC to DC converter
• Battery-powered electronics
• Lighting and lighting control systems
• Telecommunications infrastructure
• Highreliability electronics

Working Principle

Tantalum capacitors work by having a positive area on one side and a negative area on the other side. When a voltage is applied to the capacitor, a charge is created on each side based on the polarity of the voltage. The oxide layer acts as an insulator, preventing the two sides from interacting and creating a static charge which can be used by other electronic components. The value of the capacitor is defined by two different factors. The first factor is the size of the anvil within the capacitor. The greater the size, the larger the capacitance value. The second defining factor is the dielectric layer within the capacitor. This can affect the capacitance in a variety of ways, including the cut-off frequency and the tolerance for disturbances.

Conclusion

The M39003/09-4053H/98 is an example of a high quality tantalum capacitor with a wide range of applications. It is constructed with a sintered tantalum anode and a special dielectric layer which acts as an insulator and prevents the two sides from interacting. A variety of factors can affect the value of the capacitor, including its size and the type of dielectric layer used. As a result, it is an ideal piece of hardware for a variety of applications including high reliability electronics, power conversion, and DC to DC converters.

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