338TTA025M

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Aluminum Electrolytic Capacitors have been mainstays of the electronics industry for decades. Their ubiquity is a result of their effectiveness and cost-effectiveness across a wide range of applications. One example is the 338TTA025M, an aluminum electrolytic capacitor used in electronic applications ranging from power supplie to speakers and amplifiers.

The 338TTA025M is rated at 25 micro Farads (uF). It has a capacitance tolerance of ±20% at 120 Hz, and an operational temperature range of -25°C to +85°C. Its typical useful life at full load is 2000 hours at +105°C, and its impedance at 1kHz is less than 4ohms.

The 338TTA025M capacitor is offered in a radial leaded, axial leaded, or wire leaded packages. The capacitor is constructed with a conductive polymer capacitor with an anode and cathode. One end of the aluminum electrolytic capacitor is exposed to the external circuit, and the other end is sealed in a liquid electrolyte. This design facilitated the use of low-cost materials while ensuring the capacitor delivers the required performance.

The 338TTA025M aluminum electrolytic capacitor is most commonly used in direct current (DC) circuits. It is also used in switched-mode power supplies, with its low equivalent series resistance (ESR) and high ripple current capabilities. Its construction also makes it well-suited to DC-blocking applications, as its low dissipation factor (DF) aids in reducing heat generation within the component.

The working principle of the 338TTA025M aluminum electrolytic capacitor is similar to that of other electrolytic types. When a positive voltage is applied to the positive terminal, the electrolyte in the capacitor is ionized. This ionization creates a large amount of electric charge on the anode, which is then transferred through the electrolyte and to the cathode, creating a uniform electric field between the two electrodes. This electric field is what enables the capacitor to store energy and act as a component in a circuit.

In summary, the 338TTA025M aluminum electrolytic capacitor is suitable for a range of applications. Its ability to handle high ripple currents, low ESR and low DF allow it to be used in a variety of power supply and DC-blocking circuits. Its construction with a conductive polymer capacitor and electrolytes enables it to deliver the performance levels expected from much larger, more expensive components.

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