TAJB475K020
SMD tantalum capacitors, 4.7uF, 20V, 10% tolerance, compact size
Manufacturer： avx
series introduction
# Introduction to the TAJB475K020 Product Series
## Overview
The TAJB475K020 product series represents a significant advancement in the field of electronic components, specifically in the realm of capacitors. These capacitors are engineered to meet the diverse and demanding requirements of modern electronic circuits, offering a combination of high performance, reliability, and versatility.
## Key Specifications
### Capacitance
The TAJB475K020 series capacitors feature a capacitance value of 4.7 μF (microfarads). Capacitance is a fundamental property of a capacitor that determines its ability to store electrical charge. This specific capacitance value makes these capacitors suitable for a wide range of applications where energy storage and charge/discharge cycles are crucial.
### Tolerance
With a tolerance of ±10% (indicated by the 'K' in the part number), the TAJB475K020 capacitors provide a high level of precision. This means that the actual capacitance value of each capacitor will fall within 10% of the stated 4.7 μF value. The tight tolerance ensures consistent performance across multiple capacitors in a circuit, reducing the variability in circuit behavior and improving overall system stability.
### Voltage Rating
The voltage rating of 20 V (volts) is another important specification of the TAJB475K020 series. This indicates the maximum voltage that the capacitor can safely withstand without experiencing breakdown or damage. It is essential to select a capacitor with an appropriate voltage rating for a given application to ensure reliable operation and prevent component failure.
## Construction and Design
### Dielectric Material
The TAJB475K020 capacitors utilize a high - quality dielectric material. The choice of dielectric is critical as it determines many of the capacitor's electrical properties, such as capacitance, leakage current, and temperature stability. The dielectric used in this series is carefully selected to provide excellent insulation and low losses, resulting in efficient energy storage and transfer.
### Package Type
These capacitors come in a compact and standardized package. The package design not only protects the internal components from environmental factors such as moisture, dust, and mechanical stress but also facilitates easy mounting on printed circuit boards (PCBs). The standard package size ensures compatibility with automated assembly processes, making it suitable for high - volume production.
## Performance Characteristics
### Low Equivalent Series Resistance (ESR)
The TAJB475K020 series exhibits low ESR values. ESR is the resistance that appears in series with the capacitance of a capacitor. A low ESR is desirable because it reduces power losses and heat generation within the capacitor during operation. This, in turn, improves the efficiency of the circuit and extends the lifespan of the capacitor.
### High Ripple Current Capability
These capacitors are designed to handle high ripple currents. Ripple current is the alternating current component that flows through a capacitor in a circuit. The ability to withstand high ripple currents without overheating or degrading is crucial in applications such as power supplies, where capacitors are used to filter out ripple voltage and smooth the output.
### Good Temperature Stability
The TAJB475K020 capacitors offer good temperature stability. Their electrical properties, such as capacitance and ESR, remain relatively constant over a wide temperature range. This makes them suitable for use in environments with varying temperatures, ensuring reliable performance in both industrial and consumer applications.
## Applications
### Power Supplies
In power supply circuits, the TAJB475K020 capacitors are used for filtering and energy storage. They help to smooth out the DC output voltage by reducing the ripple voltage caused by the rectification process. Their high ripple current capability and low ESR make them ideal for this application, ensuring a stable and clean power supply to the connected electronic devices.
### Audio Amplifiers
In audio amplifier circuits,
Images for reference
NOJ_TBJ Series
TAJ Series
TAJ Series Side