T491B476K010AT

The T491B476K010AT is a specific type of tantalum capacitor manufactured by KEMET, a well-known company in the field of electronic components. Here’s a detailed description of this component:

General Overview

• Type: Tantalum Capacitor
• Manufacturer: KEMET
• Series: T491
• Capacitance: 47 µF (microfarads)
• Voltage Rating: 10V (volts)
• Dielectric: Tantalum oxide
• Form Factor: Surface Mount Device (SMD)

Physical Characteristics

• Package Size: The T491B476K010AT typically comes in a compact 7.3mm x 4.3mm x 2.0mm package, which is suitable for space-constrained applications.
• Termination: The capacitor features a standard surface mount termination, allowing for easy integration onto printed circuit boards (PCBs).
• Polarity: Tantalum capacitors are polarized, meaning they have a positive and negative terminal. The T491B476K010AT will have clear markings to indicate the polarity.

Electrical Characteristics

• Capacitance Tolerance: The capacitor has a tolerance of ±10%, which means the actual capacitance can vary within this range.
• Temperature Range: It operates effectively within a temperature range of -55°C to +85°C, making it suitable for various environmental conditions.
• ESR (Equivalent Series Resistance): The T491 series is known for low ESR, which enhances performance in filtering and decoupling applications.
• Ripple Current: The capacitor can handle a specified ripple current, which is crucial for applications involving AC signals or pulsed loads.

Applications

The T491B476K010AT is commonly used in:

• Power Supply Filtering: To smooth out voltage fluctuations in power supply circuits.
• Decoupling: To stabilize voltage and reduce noise in sensitive electronic circuits.
• Timing Circuits: In conjunction with resistors to create timing applications.
• Audio Equipment: For coupling and decoupling applications in audio circuits.

Compliance and Reliability

• RoHS Compliant: The component adheres to the Restriction of Hazardous Substances (RoHS) directive, ensuring it is free from certain hazardous materials.
• Reliability: Tantalum capacitors are known for their reliability and long lifespan, making them a preferred choice in critical applications.

Summary

The KEMET T491B476K010AT tantalum capacitor is a versatile and reliable component, ideal for a wide range of electronic applications. Its compact size, low ESR, and robust electrical characteristics make it suitable for modern electronic designs, particularly in power management and signal processing.