Solid SMD tantalum capacitors, 680uF, 6.3V for compact electronics
Manufacturer: kemet
# Introduction to the T491X687K006AT Product Series
## Overview
The T491X687K006AT product series represents a cutting - edge offering in the field of electronic components. Engineered with precision and designed to meet the most demanding requirements of modern electronic systems, this series stands out for its high performance, reliability, and versatility.
## Key Features
### Capacitance and Tolerance
The "687" in the model number indicates a specific capacitance value. In the capacitor naming convention, this translates to a capacitance of 68 × 10⁷ picofarads, which is 680 microfarads. The "K" denotes a capacitance tolerance of ±10%. This relatively tight tolerance ensures that the actual capacitance of the components in the series remains within a narrow range around the specified value. This is crucial for applications where precise capacitance values are required for proper circuit operation, such as in power supply filtering and signal coupling circuits.
### Voltage Rating
The product series is designed to handle a specific voltage level. Although not explicitly stated in the model number, it is engineered to operate safely under a pre - determined voltage. This voltage rating is carefully selected to ensure that the components can withstand the electrical stress in the intended applications without experiencing breakdown or premature failure. For example, in power supply circuits, the capacitor needs to be able to handle the ripple voltage and the DC bias voltage without any issues.
### Temperature Stability
The T491X687K006AT series offers excellent temperature stability. It is designed to maintain its electrical characteristics over a wide temperature range. This is essential for applications that are exposed to varying environmental conditions. Whether it is in a high - temperature industrial environment or a low - temperature outdoor setting, the capacitors in this series will continue to perform reliably, ensuring the stability of the overall electronic system.
### Low Equivalent Series Resistance (ESR)
One of the significant advantages of this product series is its low ESR. ESR is a measure of the internal resistance of a capacitor. A low ESR value means that the capacitor can charge and discharge more efficiently, resulting in less power loss and heat generation. In power supply applications, a low - ESR capacitor can improve the power factor and reduce the ripple voltage, leading to a cleaner and more stable power output.
## Applications
### Power Supply Circuits
In power supply units, the T491X687K006AT series capacitors play a vital role. They are used for filtering purposes, smoothing out the DC voltage output by removing the ripple component. This helps in providing a stable power supply to the electronic devices connected to the power source. Whether it is a desktop computer power supply, a server power unit, or a mobile device charger, these capacitors ensure that the power delivered is of high quality.
### Audio Amplifiers
In audio amplifier circuits, the capacitors are used for coupling and decoupling. Coupling capacitors are used to transfer the audio signal from one stage of the amplifier to the next while blocking the DC component. Decoupling capacitors, on the other hand, are used to provide a stable power supply to the amplifier stages, reducing noise and interference. The high - performance characteristics of the T491X687K006AT series make them suitable for high - fidelity audio applications, where accurate signal transfer and low noise are essential.
### Automotive Electronics
The automotive industry has strict requirements for electronic components due to the harsh operating conditions. The T491X687K006AT series meets these requirements with its temperature stability and reliability. These capacitors can be used in various automotive applications, such as engine control units, infotainment systems, and lighting control modules. They help in ensuring the proper functioning of these systems, even in the
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