Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
Manufacturer Size Code:	X
Lead Spacing:	--
Height - Seated (Max):	0.169" (4.30mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T541
ESR (Equivalent Series Resistance):	50 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±20%
Moisture Sensitivity Level (MSL):	--
Capacitance:	68µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Tantalum - Polymer Capacitors: Application Field and Working Principle

Tantalum - Polymer Capacitors (aka Ta-Poly Capacitors) are an important type of electrochemical capacitor that have surfaced as a viable alternative to Aluminum Electrolytic Capacitors. As the name suggests, they are composed of two elements: tantalum, an element with high capacitance and corrosion resistance, and a polymer material composing either the anode or cathode of the capacitor. Compared to traditional aluminum electrolytic capacitors, Ta-Poly Capacitors have much higher capacitance, higher voltages, higher impedance, lower ESR and better electrical stability. They can become almost any size and shape, fit within nearly any space requirement and handle higher currents and voltages. This makes them ideal for a variety of applications across a wide range of industries, including industrial, automotive, medical and military/aerospace.When it comes to the specific model T541X686M025BH8510, it is a polymer tantalum capacitor with an SMD (surface-mounting device) form factor of 6.3mm x 4.3mm that has an operating temperature of -55°C to +125°C. It has a capacitance value of 25μF at a rated voltage of 10V, and it is capable of discharging up to 4.5A.Ta-Poly Capacitors utilize the same physical principles as other types of electrochemical capacitors. Specifically, they employ two electrodes: a positive anode and a negative cathode, which are separated by an electrolyte material. The electrolyte material actively participates in the electrical storage process by storing ionically charged particles from the anode or cathode, or by providing containment of free electrons. The stored electrical energy can be discharged by reversing the electric polarity of the capacitor, allowing current to flow from either the anode to the cathode, or from the cathode to the anode. These capacitors are usually found in low-power, portable devices that require long battery life and low energy consumption to operate, such as cell phones, digital cameras, and medical monitoring equipment. They are especially well-suited for these applications since they’re more stable than aluminum electrolytic capacitors and exhibit much higher heat dissipation characteristics. The other major application of these capacitors is in high-power, high-voltage systems, such as motors, electric power systems, and power supplies. Designed with a combination of high charge and discharge efficiency and excellent voltage tolerance, Ta-Poly Capacitors offer users the potential of higher capacitance in a compact package. These features make them especially attractive for applications where they’re required to work in high-intensity (high-amp) environments. Coupled with their low ESR, low ESL, and low insertion loss capabilities, Ta-Poly Capacitors are ideal for AC power line and high frequency signal filtering applications.In addition to energy storage, Tantalum - Polymer Capacitors are also useful for many other applications. For instance, they’re often used for signal transmission and amplification, decoupling and bypassing, frequency tuning, and low pass filtering. They are even used in some high temperature or space exploration applications, such as rocket propulsion systems, spacecrafts, and satellites.In conclusion, Tantalum - Polymer Capacitors provide a number of features and benefits that are invaluable in many application fields. As this type of capacitor is becoming increasingly more popular, more models and variations are becoming available, making them an even more economical and viable option. The T541X686M025BH8510 is a prime example of what this type of capacitor can do for you. With its impressive collection of features, it’s easy to see why Ta-Poly Capacitors are gaining recognition and being used in a variety of industries.

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