T551B256K050AH4251

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, also known as polymer aluminum electrolyte capacitors, are a type of electrolytic capacitor. They are composites of thin films of tantalum, tantalum oxide and polymers which are shaped into a cylindrical form that is wrapped in a plastic case. They offer advantages over traditional electrolytic capacitors due to their higher working temperature, low leakage current, low equivalent series resistance (ESR), high capacitance and high-reliability.

The Product in Focus – T551B256K050AH4251

The T551B256K050AH4251 is a low-ESR, high-capacity capacitor with a capacity of 256 KVAR. It features an operating temperature range of -55°C to +125°C, a voltage rating of 35V and a capacitance of 1.47μF. Its dimensions are 10mm by 10mm and its connections are simple lead terminals. It is ideal for use in telecommunications and automotive industries due to its high-reliability and low ESR.

Application Fields and Working Principle

Tantalum - Polymer Capacitors are widely used in various electronic applications, such as DC-DC conversion, filtering, signal coupling, timing, bootstrapping, and AC-DC smoothing. Tantalum - Polymer Capacitors can be used in a variety of industrial applications, including in automotive, home appliances, healthcare, communications, and logistics. The main function of the T551B256K050AH4251 is to act as a low-ESR, high-capacity capacitor, providing both impedance and capacitance. Tantalum - Polymer Capacitors use an anode made of Tantalum along with a dielectric composed of Tantalum Oxide and an electrolyte that is typically anodically manufactured. The operating voltage of the electrolytic capacitor is determined by the difference between the work function of the anode and the work function of the cathode. When the capacitor is placed in a circuit, an electric field is formed around the capacitor which causes a charge to build up on the plates. This charge results in an electric field between the two plates, creating a potential difference which stores energy in parallel with the capacitor\'s components, allowing the capacitor to operate. The main advantage of the T551B256K050AH4251 is that it has a temperature range of -55°C to +125°C and a capacitance of 1.47 µF. This allows it to provide long-term stability and reliability. The low ESR of this model also makes it suitable for a variety of applications where high-frequency rectification is required. It is also suitable for use in automotive and home appliance applications as it has a voltage rating of 35V.

Conclusion

Tantalum - polymer capacitors are a type of electrolytic capacitor that offer various advantages over traditional electrolytic designs. They can be used in a variety of industrial applications, including automotive and telecommunications. The T551B256K050AH4251 is a low-ESR, high-capacity capacitor with a capacity of 256 KVAR and a voltage rating of 35V. It provides long-term reliability and stability, low ESR, high capacitance and high-reliability, making it highly suitable for use in rectification applications, as well as for use in automotive and home appliance applications.

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