M39003/03-3074

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Tantalum capacitors are commonly used because they deliver a remarkable combination of small size, extended life, and excellent electrical performance. The M39003/03-3074 is a popular choice among these capacitors as the device offers high capacitance-to-volume ratios. The M39003/03-3074 offers an improved version of a previous release, the M39003/03-3071. Manufactured by AVX Corporation, the M39003/03-3074 offers high performance, low ESR (equivalent series resistance), and extreme density.

The M39003/03-3074 is an ultra-small tantalum chip capacitor that is applicable for many types of electronic applications. Its common use is in automotive, telecommunications, military/aerospace, and medical equipment. It has an operating temperature rating from -55°C to +125°C, and the device offers up to 4 times the capacitance so that components can be made smaller while still offering the same sized capacitive value. Additionally, due to the low ESR properties, this tantalum capacitor is especially useful in shared power applications.

The working principle behind this device is based on a dry anode element formed of solid tantalum, sandwiched between two cathode layers containing a manganite. The anode is formed of tantalum monoxide powder, which is pressed into the anode shell together with a carbon lining. The insulation layer is then added between the anode and the cathode layers. This structure allows the capacitor to store energy in an electric field between the anode and the cathode, forming an energy storage capacitor.

The M39003/03-3074 capacitor is held together with a conductive, pressure-sensitive acrylic adhesive. The adhesive uses an epoxy curing agent, allowing for the high temperature curing needed for manufacturing. This construction ensures the longevity and reliability of the capacitor. The flexible termination system allows for lead times to be shorter, and helps to protect the device from vibration and fatigue.

The device also features a high volumetric efficiency due to the use of a sintered anode. This construction offers enhanced performance, lower resistance, and augmented capacitance. The M39003/03-3074 is a low-ESR capacitor that offers an ideal combination of extreme capacitance density and reliable performance in smal, low profile form factors.

In addition to its excellent performance and long life, the M39003/03-3074 tantalum capacitor is compliant with the lead free RoHS directive standard. The RoHS compliance offers designers greater assurance that the device is free from hazardous substances. As well, this device is certified for use in space qualified and military applications.

The M39003/03-3074 is an excellent choice for electronic designs oriented towards low ESR applications. The device is especially attractive for military and aerospace applications due to its small form factor, high reliability, and long life. The device also offers excellent temperature performance, with an operating temperature rating from -55°C to +125°C.

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