T491A334K035AT
Compact solid tantalum capacitors for surface-mount applications
Manufacturer： kemet
series introduction
# Introduction to the T491A334K035AT Product Series
## 1. Overview
The T491A334K035AT product series belongs to a specialized category of electronic components, specifically tantalum capacitors. These capacitors are essential building blocks in modern electronic circuits, playing a crucial role in energy storage, filtering, and signal coupling applications. The series is designed to meet the demanding requirements of various industries, including telecommunications, automotive, consumer electronics, and industrial automation.
## 2. Product Naming Convention
Let's break down the product code “T491A334K035AT” to understand its key specifications:
- **T491**: This is the series identifier, which indicates the specific family of tantalum capacitors. It represents a set of design and performance characteristics that are common across the series.
- **A**: This letter may denote certain package or construction features specific to the manufacturer's coding system.
- **334**: This is the capacitance value code. In the capacitor coding convention, the first two digits (33) are the significant figures, and the third digit (4) is the multiplier. So, the capacitance value is calculated as \(33\times10^{4}\) picofarads (pF), which is equal to 330,000 pF or 0.33 microfarads (\(\mu F\)).
- **K**: This represents the tolerance of the capacitance value. The “K” code indicates a tolerance of ±10%. This means that the actual capacitance of the capacitor can vary within 10% of the nominal value (0.33 \(\mu F\)).
- **035**: This typically represents the rated voltage of the capacitor. In this case, the rated voltage is 35 volts (V).
- **AT**: These letters may be additional codes related to specific manufacturing processes, packaging options, or other product - specific features.
## 3. Key Features
### High Capacitance Density
Tantalum capacitors in the T491A334K035AT series offer a high capacitance - to - volume ratio. This means that they can store a relatively large amount of electrical charge in a compact physical size. This is particularly beneficial in applications where space is limited, such as in mobile devices and portable electronics.
### Low Equivalent Series Resistance (ESR)
The low ESR of these capacitors results in efficient energy transfer and reduced power losses. In power supply circuits, low ESR helps to minimize voltage ripple and improve the stability of the output voltage. This is crucial for the proper functioning of sensitive electronic components, such as microprocessors and integrated circuits.
### Good Frequency Response
The T491A334K035AT series exhibits a good frequency response, making them suitable for use in both low - frequency and high - frequency applications. They can effectively filter out unwanted noise and interference in a wide range of frequencies, ensuring clean and stable signals in electronic circuits.
### High Reliability
Tantalum capacitors are known for their high reliability and long service life. The T491A334K035AT series is designed and manufactured to meet strict quality standards, with features such as excellent temperature stability and resistance to mechanical stress. This makes them suitable for use in harsh operating environments, including automotive and industrial applications.
## 4. Applications
### Power Supply Filtering
In power supply circuits, the T491A334K035AT capacitors are used to filter out ripple voltage and smooth the DC output. They store electrical energy during the charging phase and release it during the discharging phase, helping to maintain a stable voltage level. This is essential for the proper operation
Images for reference
T491 SERIES 3.2L,1.6W
T491 SERIES 3.2L,1.6W
T49x, T5xx Series_A-side1