M39003/09-3047H

Series:	Military, MIL-PRF-39003/9, CSR21
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Hermetically Sealed
ESR (Equivalent Series Resistance):	95 mOhm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	--
Mounting Type:	Through Hole
Package / Case:	Axial
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Height - Seated (Max):	--
Lead Spacing:	--
Manufacturer Size Code:	D
Features:	Military
Failure Rate:	C (0.01%)

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Introduction

Tantalum capacitors are capacitors that combine a tantalum electrolyte and a solid conductive surface such as metal, or a tantalum manganese dioxide particle. They are one of the most commonly used capacitors in the electronics industry and their use is growing rapidly. They are typically small in size and offer several distinct advantages over traditional capacitor technologies. Because they are extremely efficient, they can be used to store energy on circuit boards with a high density. They also offer excellent frequency stability, low-ESR, temperature coefficient values, and a wide temperature operating range.The M39003/09-3047H is a popular and widely used tantalum capacitor manufactured by Vishay Intertechnology. It is designed to offer the best combination of performance and reliability, and is suitable for use in virtually any type of electronic circuit. It is also highly capable of withstanding extreme temperatures and harsh environments. In this article, we will explore the application field and working principle of the M39003/09-3047H to better understand why it is such a desirable capacitor.

Application Field of M39003/09-3047H

The M39003/09-3047H is designed for use in high-reliability, critical-application applications such as spaceflight and military systems. It is also suitable for use in automotive applications, medical equipment, consumer electronics, and telecommunications. The device features superior capacitance stability, low-resistance, high-dielectric breakdown voltage, and unsurpassed noise immunity. The device is also suitable for use in high-temperature and extreme-temperature applications.Because of its excellent performance, the M39003/09-3047H is also widely used in low-noise precision applications such as filters, timing circuits, and power-supply regulation. It is well-suited for use in high-current applications such as power-supply decoupling and high-frequency filtering. Additionally, the capacitor has a robust design that provides excellent surge current capability and can withstand up to 500 volts of reverse-bias voltage without damage.

Working Principle of M39003/09-3047H

The M39003/09-3047H is an electrolytic capacitor, which means that it uses an electrolyte (in this case, a sealed tantalum salt) to store electric charge. The device consists of two layers of metal, typically with different properties and connected to two electrical terminals called the anode and the cathode. The tantalum electrolyte acts as an electrical insulator between the electrodes, preventing the charge from leaking out of the device.When a current is applied between the terminals, electrons are drawn from the cathode to the anode, creating an electrical field in the capacitor. The amount of charge stored in the device is proportional to the electrical field that is created and determined by the amount of current applied. As the current is applied, the electrical field builds up over time until it reaches a maximum, or the “equilibrium point”, causing any additional charge to be “pushed out” of the capacitor.The M39003/09-3047H is engineered to maximize the amount of charge that can be stored in the device. It is made with very thin layers of tantalum to reduce the amount of resistance inside the device, resulting in improved current handling capabilities. Additionally, the device is designed with a dielectric breakdown voltage up to 500 volts, which helps to ensure that it can handle any amount of current that is applied without damage.

Conclusion

The M39003/09-3047H is a popular and widely used tantalum capacitor. It is designed to offer the best combination of performance and reliability, and is suitable for use in virtually any type of electronic circuit. It features superior capacitance stability, low-resistance, high-dielectric breakdown voltage, and unsurpassed noise immunity. The device is also capable of withstanding extreme temperatures and harsh environments, as well as handling up to 500 volts of reverse-bias voltage without damage. This makes it well-suited for use in high-reliability, critical-application applications such as spaceflight, automotive, and telecommunications.

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