M39003/01-7273

Tantalum Capacitors

A tantalum capacitor is a type of capacitor which uses the combination of tantalum and an oxide layer as the dielectric. It is a type of electrolytic capacitor, which is made from a lightly doped tantalum powder and then compressed into several body form. It has a high capacitance to volume ratio. The anode is particularly porous and serves to hold more electrolyte than other electrolytics.

The dissimilar metal combination of tantalum and an oxide layer enables it to perform at temperatures up to 125°C. The higher temperature stability is important for applications where higher operational temperatures occur. The capacitance is maintained at least up to 85°C-105°C, depending on the particular device. It is also very small in size thus suitable for a wide range of applications. It has good quality factor that determines how effectively the capacitors convert electric energy into stored energy.

M39003/01-7273 Application Field and Working Principle

M39003/01-7273, commonly known as the SCALE capacitors, is a miniaturized surface mount tantalum capacitor designed for military and space grade applications. It has a lead-free plating and thick molded coating to offer maximum environmental protection.The operating temperature range is -55°C to 105°C, and the rated voltage is between 4V to 35V. It also features a typical ESR rating of <0.299Ω and a load life of 2000 Hrs at 85°C.

The working principle of a M39003/01-7273 is based on the concept of volume charge density. In this type of capacitor, the charge stored is based on the volume of a particular material. Tantalum is a dielectric material, so when an electric field is applied, it produces a volume of charge proportional to the volume of the material. This charge is then stored in the electrical double layer of the material. Since the capacitance of a M39003/01-7273 is directly proportion to its volume, it can be used in applications that require high capacitance packed in a smaller footprint.

The M39003/01-7273 capacitors are used in a variety of applications such as high power emitters, high frequency RF receivers, and medical devices. They are also used in power supplies, computer motherboards, and other military and space grade applications. They are an ideal choice in these applications due to their extremely small size and high capacitance.

In conclusion, M39003/01-7273 surface mount tantalum capacitors are designed for military and space grade applications due to their high temperature stability, low ESR, and high capacitance. They are used in a variety of applications such as high power emitters, high frequency receivers, and medical devices. Their small size and high capacitance make them an ideal choice for these applications.