T551B506K025AT4251

Lifetime @ Temp.:	2000 Hrs @ 85°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
Series:	T551
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	170 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	50µF
Part Status:	Active
Packaging:	Tray

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Tantalum - Polymer Capacitors

Tantalum - Polymer Capacitors (TPCs) are a type of capacitor that relies on a combination of tantalum- and polymer-based electrolytic technology to provide greater energy density and higher capacitance than traditional aluminum electrolytic or ceramic capacitors. TPCs are used for a variety of applications in industry, such as power supply bypass, filtering, signal coupling, and DC-DC conversion. With the increased demand for higher energy efficiency, TPCs are becoming increasingly important components in many electronic devices.

T551B506K025AT4251 Capacitor

The T551B506K025AT4251 is a type of TPC manufactured by Kemet Corporation. This capacitor has a capacitance of 0.5F, a maximum operating temperature of 125°C, and a rated voltage of 2.5V. It has a very low ESR value and is highly suitable for use in high performance, low power applications. The device is a radial leaded component and is available in a variety of case sizes, from size 0603 chips to size 8mm DIPs.

T551B506K025AT4251 Application Fields

The T551B506K025AT4251 capacitor is most commonly used in the following applications:

• Low power LED driver circuits
• Switching power supplies
• DC-DC converter applications
• Signal coupling
• Power supply bypass

T551B506K025AT4251 Working Principle

The T551B506K025AT4251 operates on the same principle as all other tantalum-polymer capacitor-types. The capacitor consists of two electrodes, called anode and cathode, and a separator film in between. The anode is made of tantalum, the cathode is made of a polymer, and the separator film is made up of a combination of the two materials. When a voltage is applied, an electric field is created across the anode and cathode, allowing a coating of oxide to form on the surface of the anode. This oxide layer acts as an insulator between the two electrodes, and allows current to flow through the capacitor. The T551B506K025AT4251 capacitor is designed to operate within a temperature range of -55°C to +125°C, and is highly suitable for use in both low and high temperature applications. It is highly reliable, able to sustain up to 10000 hours at its rated performance, and provides excellent performance over a wide frequency range. It is compatible with a variety of surface mount designs and requires minimal external components, making it an ideal choice for high-density, low-power applications.

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