M39003/09-2025/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	B (0.1%)
Features:	Military
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/9, CSR21
ESR (Equivalent Series Resistance):	95 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	15V
Tolerance:	±5%
Capacitance:	68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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M39003/09-2025/TR Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors or Ta capacitors, are components that store electrical energy in an electric field. Employing a slender tantalum metal pellet as an anode, surrounded by a porous tantalum oxide film as a dielectric, and immersed in an organic electrolyte, the capacitor is able to store large amounts of electrical energy in a small package. The M39003/09-2025/TR series of tantalum capacitors are designed for use in military and aerospace applications, and feature superior reliability, high capacitance values, and a wide temperature range.

General Specifications

M39003/09-2025/TR tantalum capacitors feature a cylindrical case with an axial termination wire. The capacitors are rated at a maximum voltage of 4.5V and have a temperature range of -55 to +125°C. The devices are available with values ranging from 1µF to 220µF. The maximum capacitance tolerance of the capacitors is 10% and the tan delta at 120Hz is 0.20.

Features and Benefits

The M39003/09-2025/TR series of tantalum capacitors are designed for use in demanding military and aerospace applications. The devices feature high capacitance values, superior reliability, and a wide temperature range, making them ideal for use in high-reliability electronics. The capacitors are also highly resistant to shock and vibration, making them suitable for use in high-temperature and harsh environment applications. The M39003/09-2025/TR tantalum capacitors also allow for operation at a relatively low turn-on voltage and have a low ESR. In addition, the devices are highly resistant to corrosion and moisture, which makes them ideal for use in a wide range of conditions.

Applications

Tantalum capacitors are used in a wide range of applications, including telecommunications, automotive, medical, industrial, and other areas where high reliability and high capacitance are required. The M39003/09-2025/TR series of tantalum capacitors are designed for use in military and aerospace applications and are suitable for use in high-temperature and harsh environment applications.The capacitors are commonly used in transmitters and receivers, digital circuits, power supplies, amplifiers, oscillators, data processing systems, and switching circuits. The devices can also be used in pulse power supplies, scanners, and medical equipment.

Working Principle

Tantalum capacitors employ a thin layer of tantalum oxide as a dielectric that is coated onto the tantalum metal pellet, and an organic electrolyte layered between the anode and dielectric. When a voltage is applied to the capacitor, the voltage causes a flow of charge across the oxide dielectric layer, creating an electric field. This electric field stores the electrical energy in the capacitor.The anode and dielectric layers of the capacitor act as rectangular plates in parallel with each other, allowing for the maximum capacitance of the device. The capacitance of the device is determined by the area of the plates and the distance between them, as well as the properties of the oxide layer. When the capacitor is discharged, the electric field collapses and the electrical energy is dissipated.

Conclusion

The M39003/09-2025/TR series of tantalum capacitors offer superior reliability, high capacitance values, and a wide temperature range. The devices are designed for use in military and aerospace applications and are suitable for use in high-temperature and harsh environment applications. The capacitors are suitable for use in transmitters and receivers, digital circuits, power supplies, amplifiers, oscillators, data processing systems, and switching circuits, as well as a range of other applications. The working principle of a tantalum capacitor involves the creation of an electric field between a tantalum metal pellet and a tantalum oxide film, which allows the capacitor to store large amounts of electrical energy in a small package.

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