T551B567M010AH4251

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:	10V
Tolerance:	±20%
Capacitance:	560µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Tantalum - Polymer Capacitors

Tantalum-Polymer Capacitors are the next generations of capacitor technology. Specifically, the T551B567M010AH4251 is a next-generation device that is designed for use in high-performance military, industrial and telecommunications applications.

Application Field

The T551B567M010AH4251 is designed for use in a variety of general purpose and military applications. The specific application fields for this capacitor depend on its size, electrical characteristics and environmental constraints. This type of capacitor is primarily used in applications such as switched-mode power supplies, high-frequency DC-DC converters, mobile communication systems and portable electronic devices.

Construction and Electrical Characteristics

The T551B567M010AH4251 is made up of several layers, including a conductive polymer layer, a tantalum anode layer, and a heavy metal-oxide cathode layer. This capacitor has an operating temperature range from −55°C to +125°C and a voltage range between 4V and 250V. It is also available with a variety of capacitance values from 2.5µF to 560µF.

Working Principle

Tantalum-Polymer Capacitors are polarized capacitors that rely on a dielectric medium to store energy. When a voltage is applied to the capacitor, an electric field is established between the two metal layers, causing a current to flow through the dielectric material and charge the capacitor.When the voltage is removed, the stored energy is discharged back into the circuit, creating a sharp negative spike in the current. This can cause significant problems in circuits that rely on a steady current. To prevent this, many newer tantalum-polymer capacitors also include a bleeder resistor in order to slowly discharge the stored energy.

Advantages and Disadvantages of Tantalum-Polymer Capacitor

There are many benefits to using a tantalum-polymer capacitor, such as low ESR (equivalent series resistance), low ESL (equivalent series inductance) and low self-heating. Additionally, these capacitors have high energy density and are relatively low cost compared to other capacitor technologies.On the other hand, tantalum-polymer capacitors are somewhat limited in their range of capacitance. They are also prone to thermal shock and short-circuiting, and are incompatible with magnetic fields.

Conclusion

The T551B567M010AH4251 offers a unique combination of electrical and environmental characteristics. It is suitable for use in a variety of applications ranging from switched-mode power supplies to portable electronic devices. Its construction consists of several layers, and it operates based on the principles of storing and discharging energy through a dielectric medium. The advantages of using this type of capacitor include high energy density and low cost while its drawbacks are the limited range of available capacitance and potential thermal and magnetic compatibility issues.

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