M39003/01-5521H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	R (0.01%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
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:	75V
Tolerance:	±5%
Capacitance:	15µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors Application Field and Working Principle

Tantalum capacitors are known for their small size and high energy density. They are commonly used in fields that require small capacitors with large capacities, such as consumer electronics, medical technology, automotive applications, and aerospace applications.Due to their high capacitance, small size, and excellent heat resistance, low leakage current and frequency characteristic stability, they are well-suited for use in various high-end applications. This article will discuss the application fields and working principles of tantalum capacitors, with specific reference to their M39003/01-5521H series.

Application Fields of Tantalum Capacitors

Tantalum capacitors can be used in a wide range of applications, from consumer electronics to medical technology, aerospace applications and mobile phone accessories. For instance, their low ESR (equivalent serial resistor) makes them suitable for the power supply systems of mobile phones, laptops, tablet computers, and portable media players.In medical technology, tantalum capacitors are often used in electrochemical sensors and implantable medical devices. These capacitors have a high volumetric efficiency, which makes them ideal for designing small, compact medical devices.Another application field of tantalum capacitors is automotive electronics. They are used in applications such as fuel injection systems, ignition systems, and AIRBAG systems where reliable and stable operation is critical.Aerospace applications for tantalum capacitors include guidance and communication systems, avionics propulsion systems, and satellites. Their excellent heat resistant and frequency characteristic stability make them well-suited for these applications.

Working Principle of Tantalum Capacitors

Most tantalum capacitors are polymer tantalum capacitors (Polymer Electrolytic). They are made of a tantalum oxide anode, an electrolyte solution, and a cathode, which are usually composed of sintered manganese dioxide or MnO2.When a voltage is applied to the anode and cathode, the electrolyte solution will move towards the anode due to electrostatic attraction, and the tantalum oxide particle in the anode will convert to electrical charge. At the same time, the oxidation reaction on the MnO2 layer on the cathode results in the formation of oxygen ions in the electrolyte solution.This causes a decrease in the resistance of the electrolyte solution, resulting in a significant increase in capacitance. The capacitor then stores electrical charge and can be used to power equipment added to the circuit.The M39003/01-5521H series tantalum capacitors have a capacitance range of 0.22 μF - 1.5 μF, an operating temperature range of -55°C - +85°C, and rated voltages of 4 V, 10 V, 16 V, 25 V, 35 V, and 50 V. They have a low ESR rating, which results in good load-carrying capabilities and low-leakage current, and are very reliable and durable.

Conclusion

Tantalum capacitors are small, durable, and reliable components that are used in fields such as consumer electronics, medical technology, automotive applications, and aerospace applications. They are able to store electrical charge, and their excellent heat resistance and frequency characteristic stability make them ideal for high-end applications. The M39003/01-5521H series are specially designed tantalum capacitors that have a capacitance range of 0.22 μF - 1.5 μF, an operating temperature range of -55°C - +85°C, and rated voltages of 4 V, 10 V, 16 V, 25 V, 35 V, and 50 V.

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