M39003/01-3189/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	S (0.001%)
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:	±20%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors

Tantalum capacitors, also known as surface mount chip capacitors, are handy and reliable electrochemical components in which tantalum anodes are etched into the board and welding, with electrolytic M39003/01-3189/HSD protected from environmental oxidation. The capacitance is achieved via the dielectric layer formed by the oxide layer on the anode surfaces. By doing this, it increases the precision and performance of the capacitor. Tantalum capacitors offer superior features and performance with reliability and stability, resulting in an ideal cost-saving solution for the electronic circuit design. It also enables more compact, lightweight designs. These capacitors offer reliable operation with a wide temperature range (-40°C to +125°C) and long life-span.

Application Field of M39003/01-3189/HSD Capacitors

M39003/01-3189/HSD tantalum capacitors are widely used in a range of applications. It is specially designed for use in high frequency signal lines, that is to provide isolation between components, attenuation of signals and power decoupling. Moreover, they are suitable for signal integrity applications such as in automotive, telecommunications, and consumer electronics. Furthermore, because of their low ESR, high frequency bypass and filter applications are widely used in the field of power supply. Due to their small size it enables high-density component placement on printed-circuit boards (PCB) for power management systems, that require precise loading and unloading of current. Additionally, they are also used in buffering, biasing, and feedback circuits, which are typically found in industrial machinery and computer system.

Working Principle of M39003/01-3189/HSD Capacitors

M39003/01-3189/HSD tantalum capacitors mainly use tantalum pentoxide which has a high dielectric constant and excellent stability to make the anode. The basic principle is to form a capacitor by aluminum foil which has undergone electrolytic deposition, formed an oxide film, and conductive coating. At the end that connects the anode, a dielectric powder which is composed of a mixture of tantalum oxide and manganese dioxide powder is applied. The layer of dielectric creates a separation between the electrodes which prevents a short circuit and makes the capacitor operational. At the cathode end, a manganese dioxide or polymer electrolyte is mixed with an electrolyte and the mixture is sintered at high temperature to form an oxide barrier layer which acts as the cathode for the capacitor. When electrical signals passes though, the oxide barrier instantly experiences a displacement current and ferroelectric polarization, allowing them to store energy and charge.

Conclusion

Tantalum capacitors are reliable electrochemical components that are composed of tantalum anodes and electrolytic coating. The oxide layers in the anode offer superior features and performance with reliability and stability, resulting in an ideal cost-saving solution. Furthermore, M39003/01-3189/HSD is specially designed for use in high frequency signal lines and is widely used in the field of power supply. The basic principle works by forming a capacitor with aluminum foil and the dielectric powder while the cathode end is mixed with an electrolyte to form an oxide barrier layer.

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