M39003/01-2615H

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor. They are widely used in portable electronic devices and power supplies due to their high capacitance-to-volume ratio and low equivalent series resistance (ESR). The construction of tantalum capacitors consists of a solid manganese dioxide electrolyte, a tantalum anode and a cathode. The anode and cathode are usually separated by a paper-like insulating layer.

M39003/01-2615H Application Field & Working Principle

M39003/01-2615H is a type of leadless surface-mount tantalum capacitor with polarized construction. It is mainly used in a range of applications that require reliable electrical performance, such as suppressing electrical noise, low ESR, and high temperature operation. The M39003/01-2615H is an axial component composed of two hairlike anodes (tantalum anode wire) and one cathode foil sandwiched between two layers of insulating material. The ceramic body of the component encases and seals all the elements inside it.

The working of M39003/01-2615H capacitor is defined by its four main components: an anode (tantalum wire), two lead wires, and a cathode foil. Upon electrical stimulation, current flows through the capacitor, causing an electrochemical reaction between the anode and cathode. The reaction forms an electrolyte layer, which is a barrier between the anode and cathode. This causes a build up of electrical charge, which is what creates the capacitor’s capacitance. The capacitance of a capacitor is determined by the surface area of the anode and cathode, the thickness of the electrolyte layer, and the dielectric constant of the surrounding material.

The M39003/01-2615H capacitor is a flexible component, able to be used in tightly regulated power supplies, digital processor applications, and low-noise analog filter circuits. Its nominally rated capacitance is 1500µF, with tolerance ranging from ±10% to ±20%. The typical working voltage range is between 4V and 10.0V. The capacitors are also rated to operate with very low ESR (Equivalent Series Resistance) in the range of 0.17Ω to 0.50Ω. The peak operating temperature range of M39003/01-2615H is between -55°C and +125°C. The maximum housing temperature specified for the capacitor is +125°C.

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