TAJR156M004RNJ

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A tantalum capacitor is an electronic component, consisting of a pellet of tantalum metal as an anode, covered by an insulating oxide layer and surrounded by a conductive cathode, usually a metal. The small size and lightweight of tantalum capacitors make them perfect for use in a wide range of electronics, including RF designs, clock oscillators and dc-to-dc converters. Primarily used as a component of tuning circuits and high frequency filters, TAJR156M004RNJ is a surface mountable, non-polarized device, designed to provide cost effective, high quality and reliable performance. Its compact size and wide range of capacitance values make it suitable for a broad range of applications.

The TAJR156M004RNJ utilizes a Tantalum-MnO₂ capacitor, which is a composite – consisting of an anode of tantalum alloy, a dielectric of MnO₂, and a cathode of manganese, alkaline, and carbon. The tantalum alloy anode consists of almost pure tantalum and a small amount of another element, typically aluminum. The dielectric is formed during manufacture when a solid layer of MnO₂ is formed on the surface of the anode. This layer of MnO₂ is then covered with a manganese/alkaline/carbon layer as the cathode.

The working principle behind the TAJR156M004RNJ is that when a voltage is applied to it, electrons will flow from the anode (tantalum alloy) to the cathode layer, causing the formation of the conductive bridge. The bridge will carry current when the voltage is applied. The charged electron flow is then stored in the dielectric layer, preventing further current flow until the capacitor is discharged. This allows the capacitor to act as an energy storage device and regulate the flow of current.

Due to its relatively high capacitance in relation to its small size and weight, the TAJR156M004RNJ is well suited for use in applications requiring a small amount of capacitance in a small physical space. These applications include low voltage power supplies, boost and flyback converters, sampling circuits, filters, and clock oscillators. This capacitor is also useful for providing decoupling, bypassing, and buffering, and for AC/DC coupling.

The TAJR156M004RNJ is additionally suitable for applications in high vibration, high vibration and high heat environments, as its MnO₂ dielectric, which has low leakage current, is highly resistant to shock, vibration and temperature changes. This, coupled with the low ESR (Equivalent Series Resistance) and ESL (Equivalent Series inductance), provides excellent long-term reliability and high stability. Furthermore, the TAJR156M004RNJ has a high ripple current and high capacitance-to-volume ratio and requires minimal board space.

To summarize, the TAJR156M004RNJ is a surface mountable, non-polarized device featuring a tantalum-MnO₂ capacitor and is suitable for a wide range of applications including low voltage power supplies, sampling circuits,Clock oscillators, boost and flyback converters, AC/DC coupling, and a variety of other electronic components. The TAJR156M004RNJ features low leakage current, high capacitance in relation to its small size and weight, minimal board space, long-term reliability, and low ESR, ESL, and ripple current.

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