0402YC103KAT
Compact 10nF ceramic capacitors for SMD applications, 16V, X7R, 0402 size
Manufacturer： avx
series introduction
# Introduction to the 0402YC103KAT Product Series
## 1. Overview
The 0402YC103KAT product series belongs to the realm of electronic components, specifically surface - mount capacitors. These capacitors are widely used in various electronic circuits due to their compact size, reliable performance, and specific electrical characteristics. The "0402" in the product code refers to the industry - standard package size, which is a common and popular choice for modern, miniaturized electronic devices.
## 2. Package Size (0402)
### Physical Dimensions
The 0402 package has a length of approximately 1.0 mm and a width of about 0.5 mm. This small form factor makes it ideal for applications where space is at a premium, such as in mobile phones, tablets, wearables, and other portable electronic devices. The small size allows for high - density circuit board layouts, enabling designers to pack more functionality into a limited area.
### Mounting Advantages
Surface - mount technology (SMT) is used for the 0402 package. This means that the capacitors can be easily and quickly mounted onto printed circuit boards (PCBs) using automated assembly equipment. SMT mounting reduces the need for through - hole drilling in the PCB, which simplifies the manufacturing process and can lead to cost savings.
## 3. Capacitance Value (103)
### Capacitance Calculation
The "103" in the product code is a common way to represent the capacitance value of a capacitor. In this notation, the first two digits (10) are the significant figures, and the third digit (3) is the multiplier. So, the capacitance value is calculated as \(10\times10^{3}\) picofarads (pF). This results in a capacitance of 10,000 pF, which is equivalent to 0.01 microfarads (\(\mu F\)).
### Application Significance
A capacitance of 0.01 \(\mu F\) is a commonly used value in electronic circuits. It is often employed for decoupling, filtering, and coupling applications. In decoupling, the capacitor helps to provide a stable power supply to integrated circuits by reducing voltage fluctuations and noise. For filtering, it can be used to remove unwanted frequencies from a signal, while in coupling, it allows the transfer of AC signals between different stages of a circuit while blocking DC components.
## 4. Tolerance (K)
### Tolerance Definition
The "K" in the product code indicates the tolerance of the capacitor's capacitance value. A "K" tolerance means that the actual capacitance of the capacitor can vary by ±10% from the nominal value. For the 0402YC103KAT series, with a nominal capacitance of 0.01 \(\mu F\), the actual capacitance can range from \(0.01\times(1 - 0.1)=0.009\ \mu F\) to \(0.01\times(1 + 0.1)=0.011\ \mu F\).
### Impact on Circuit Design
The tolerance is an important consideration in circuit design. In some applications where precise capacitance values are required, such as in high - frequency oscillators or precision filters, a tighter tolerance may be necessary. However, for many general - purpose applications, a ±10% tolerance is acceptable and provides a good balance between cost and performance.
## 5. Dielectric Material (Y)
### Dielectric Characteristics
The "Y" in the product code represents the dielectric material used in the capacitor. Different dielectric materials have different electrical properties, such as dielectric constant, temperature coefficient, and insulation resistance. The
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