T491D477K006AT

The T491D477K006AT is a tantalum capacitor manufactured by KEMET, a well-known company in the field of electronic components. This specific capacitor is part of KEMET's T491 series, which is recognized for its reliability and performance in various applications.

Key Features:

1. Capacitance: The T491D477K006AT has a capacitance value of 4.7 microfarads (µF). This makes it suitable for applications requiring moderate capacitance levels.

2. Voltage Rating: It has a rated voltage of 6.3 volts (V), indicating the maximum voltage the capacitor can handle without risk of breakdown. This low voltage rating is typical for applications in consumer electronics and low-power circuits.

3. Dielectric Material: The capacitor uses tantalum as its dielectric material. Tantalum capacitors are known for their stability, reliability, and high capacitance-to-volume ratio, making them ideal for compact electronic designs.

4. Case Size: The T491D477K006AT is housed in a surface-mount package, specifically in a case size of 1206 (which measures 3.2 mm x 1.6 mm). This compact size allows for efficient use of space on printed circuit boards (PCBs).

5. Temperature Range: The operating temperature range for this capacitor is typically from -55°C to +85°C, making it suitable for a wide range of environmental conditions.

6. Tolerance: The capacitor has a tolerance of ±10%, which indicates the range within which the actual capacitance may vary from the nominal value. This level of tolerance is common for tantalum capacitors.

7. Polarity: Tantalum capacitors are polarized, meaning they have a positive and a negative terminal. It is crucial to connect them correctly in a circuit to avoid damage.

8. Applications: The T491D477K006AT is commonly used in various electronic applications, including power supply circuits, decoupling, filtering, and energy storage in consumer electronics, telecommunications, and automotive systems.

Additional Considerations:

• ESR (Equivalent Series Resistance): Tantalum capacitors generally have low ESR, which contributes to their efficiency in high-frequency applications.
• Safety and Reliability: KEMET's tantalum capacitors are designed with safety features to minimize the risk of failure, such as short-circuit protection and robust construction.

In summary, the T491D477K006AT from KEMET is a compact, reliable tantalum capacitor with a capacitance of 4.7 µF and a voltage rating of 6.3 V, suitable for a variety of electronic applications where space and performance are critical.