T551B256K050AT4251

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):	170 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	50V
Tolerance:	±10%
Capacitance:	25µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction to Tantalum-Polymer Capacitors

Tantalum-Polymer capacitors are a type of capacitor that uses tantalum as an electrode or as part of an anode/cathode system. They are also known as Ta-caps, Ta-polymer capacitors, and Ta-Poly capacitors. They are constructed by sandwiching a thin film of dielectric material between two electrodes. The thin film of dielectric material usually consists of a tantalum and polymer composite.Tantalum-Polymer capacitors offer numerous advantages over their counterparts such as lower ESR, higher capacitance values and higher operating temperature ratings compared to other electrolytic capacitors. Compared to traditional aluminum electrolytic capacitors, they have a significantly longer lifespan, as well as a much broader range of available capacitance values. They also maintain their stability over a wide range of temperatures and are highly resistant to chemical and electrical stresses. This makes them suitable for use in a wide variety of applications.

T551B256K050AT4251 Application Field and Working Principle

T551B256K050AT4251 is a high-capacity, high-reliability tantalum-polymer capacitor that is used primarily in consumer electronics and computing applications. The capacitance of this component is 25uF and its operating temperature range is -55C to +105C. It offers low equivalent series resistance (ESR) and low system EMI, making it an ideal choice for power, storage, and computing applications. The working principle of T551B256K050AT4251 is based on the electrolytic capacitance process. In this process, a thin film of tantalum-polymer is sandwiched between two electrodes which are connected to two separate electrical circuits. When an electric current is passed through the capacitor, the voltage across the capacitor decreases, resulting in a decrease in the stored energy in the capacitor. This decrease in stored energy is known as capacitance, and it is what powers the component. T551B256K050AT4251 is capable of withstanding a wide range of temperatures, making it suitable for use in a variety of applications. These applications include switches, relays, time delay relays, and other electrical control applications. In addition, it has been used in power supplies, LED lighting, and other kinds of consumer electronics.

Conclusion

Tantalum-polymer capacitors are a popular choice for applications where long-lasting performance and high capacity are needed. The T551B256K050AT4251 is an example of a high-performance tantalum-polymer capacitor that offers excellent reliability and a wide range of available capacitance values. It is ideal for use in power, storage, and computing applications, and other applications that require a reliable power source with a long lifespan.

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