T551B397K015AT4251

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):	90 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	15V
Tolerance:	±10%
Capacitance:	390µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Tantalum - Polymer CapacitorsTantalum capacitors are unique in their application fields and working principles. These capacitors are composed of two electrodes and a conductive electrolyte. The anode of the capacitor is made of tantalum metal and the cathode is made of an oxide, for example manganese dioxide, that contains a high percentage of oxygen. The tantalum core acts as a storage element for the electric charge, enabling an electric current to travel from one electrode to the other.T551B397K015AT4251 is a type of tantalum - polymer capacitor. This type of capacitor is characterized by its lesser size and higher capacitance. Due to its small size and higher capacitance, they are highly efficient and they have a low Equivalent Series Resistance (ESR). Furthermore, they have its own four-digit Identification Code which consists of the first three letters and its capacitance. These capacitors are available in both surface-mount and leaded-style packages and they have various capacitance values ranging from 1.0 uF to 680uF.These tantalum - polymer capacitors have various applications and working principles. Generally, they are used for bypass, filtering, timing, and power-supply applications. Moreover, they are extremely popular for their usage in portable and small form factor applications.The working principles of the tantalum - polymer capacitors depend on the application in which they are used. Generally, their working principle is based on the capacitance between two plates. The two plates can either be parallel or cylindrical and they are separated from each other by a dielectric material. In this capacitor, the two plates are made out of the core material, which is either a tantalum foil or a polymer-based material. The electric charge is stored between the two plates and is released when the current between the plates is in the opposite direction. The tantalum - polymer capacitors are beneficial in various ways. Firstly, they are low leakage and they have a high stability. Also, they have a low equivalent series resistance, which helps in increasing the performance of the capacitor. Furthermore, they have a high power density and self-resonance frequency with lower losses. They are also inexpensive and are available in small and large capacitance values.In conclusion, the tantalum - polymer capacitors are highly efficient in their given application fields, working principles and uses. They have numerous benefits, such as low leakage, high stability, and high power density, which help in increasing the performance of the capacitor. Furthermore, they are available in various sizes and capacitance values making them suitable for various applications and industries.

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