T551B107M040AT4251

Operating Temperature:	-55°C ~ 125°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.312" Dia x 0.641" L (7.92mm x 16.28mm)
Package / Case:	Axial, Can
Mounting Type:	Through Hole
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	T551
ESR (Equivalent Series Resistance):	150 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	40V
Tolerance:	±20%
Capacitance:	100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Tantalum - Polymer Capacitors: An Overview of T551B107M040AT4251 Application Field and Working Principle

Tantalum - polymer capacitors are a specific type of capacitor that uses a film of solid electrolyte covered with a thin layer of tantalum pentoxide as a dielectric. These capacitors exhibit characteristics such as high capacitance, low leakage and high temperature performance.The particular model T551B107M040AT4251 is characterized by its temperature range from -55°C up to +105°C, a low leakage current, its good volumetric efficiency, small size and low ESR. Its capacitance values range from 10μF to 440μF, and its rated voltage from 2.5V to 10V. Due to its properties and values, this model of tantalum - polymer capacitors is broadly used in applications like automotive, industrial, military and aerospace GPS systems, clock circuits, communications, and power systems.In this context, we will take a look at the application field and working principle of the T551B107M040AT4251 tantalum-polymer capacitors.

Application Field

The T551B107M040AT4251 model of tantalum-polymer capacitors are long-term stable, reliable and relatively inexpensive. Its level of humidity resistance is much better compared to any other Tantalum family of capacitor.Due to its construction and characteristics, these capacitors are used in high frequency on/off circuits that require high power, such as color TVs, personal computers, network systems, communications devices and GPS receivers.The use of these capacitors is also recommended in power supplies of all forms (mobile phones, digital cameras, satellite navigation systems and so on), motor control circuits, automotive and appliance applications, LED lighting, power amps, video capture systems and home theater systems.

Working Principle

The working principle of the T551B107M040AT4251 model of tantalum-polymer capacitors is based on the properties of solid electrolytes as dielectric material. Here is how it works:The solid electrolyte forms a film that has a very high dielectric constant. This film is covered with a thin layer of solid tantalum pentoxide. This layer acts as an electrical insulator, allowing a relatively large amount of electric charge to be stored between two metal plates.When an electric field is applied between the plates, the dielectric material becomes polarized and an electric field is created across the dielectric layer. This electric field increases the capacitance of the capacitor and current will start to flow.The ability of the T551B107M040AT4251 model of tantalum-polymer capacitors to store a relatively large amount of energy makes them ideal for applications where a limited amount of space is available. This allows them to be used in small circuit boards and in portable devices.

Conclusion

The T551B107M040AT4251 model of tantalum-polymer capacitors has a number of advantages over other types of capacitors, including their low leakage current, volumetric efficiency and temperature range. The working principle behind these capacitors is that the dielectric material is polarized when an electric field is applied and an electric field is created across the dielectric layer, allowing for a relatively large amount of electric charge to be stored between two metal plates. These capacitors are widely used in automotive, industrial, military and aerospace GPS systems, clock circuits, communications and power systems. They are also used in high frequency on/off circuits that require high power, such as color TVs, personal computers, network systems, communications devices and GPS receivers. Furthermore, their use is highly recommended in power supplies, motor control circuits and home theater systems. In conclusion, the T551B107M040AT4251 model of tantalum-polymer capacitors is an excellent choice for applications where a limited amount of space is available and where a certain amount of energy must be stored.

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