CL21A476MQCLRNC

Compact ceramic capacitors for electronic circuits

Manufacturer: samsung

series introduction

# Introduction to the CL21A476MQCLRNC Product Series

## Overview
The CL21A476MQCLRNC product series represents a cutting - edge line of electronic components that are designed to meet the diverse and demanding requirements of modern electronic circuits. These components are engineered with precision and advanced technology to offer high - performance solutions for a wide range of applications.

## Key Specifications
### Capacitance
The "476" in the model number indicates a capacitance value. In the common capacitor notation, 476 represents 47 followed by 6 zeros in picofarads. So, the capacitance of the CL21A476MQCLRNC series is 47 μF (since 1 μF = 1,000,000 pF). This relatively high capacitance value makes it suitable for applications where energy storage and filtering are crucial.

### Tolerance
The "M" in the model indicates the capacitance tolerance. An "M" tolerance means that the actual capacitance of the component can vary by ±20% from the nominal value. While this may seem like a relatively wide tolerance, it is acceptable in many general - purpose applications where a certain degree of variation in capacitance does not significantly affect the overall performance of the circuit.

### Voltage Rating
Although not explicitly stated in the given model number, these components typically come with a specific voltage rating. The voltage rating determines the maximum voltage that the capacitor can safely withstand without experiencing breakdown or other forms of failure. This is an important specification as it ensures the reliability and safety of the component in the intended circuit.

### Temperature Coefficient
The CL21A476MQCLRNC series is designed to have a stable performance over a wide range of temperatures. The temperature coefficient of the capacitance is carefully controlled to minimize the change in capacitance value as the temperature fluctuates. This is essential for applications where the operating temperature can vary significantly, such as in automotive electronics or industrial control systems.

## Construction and Design
### Physical Dimensions
The CL21A476MQCLRNC series is available in a compact and standardized package. The small form factor allows for easy integration into printed circuit boards (PCBs), especially in applications where space is limited. The package design also ensures good mechanical stability, reducing the risk of damage during handling and assembly.

### Dielectric Material
These components use a high - quality dielectric material. The choice of dielectric material is crucial as it affects the electrical properties of the capacitor, such as capacitance, dissipation factor, and insulation resistance. The dielectric used in the CL21A476MQCLRNC series is selected for its excellent electrical performance, high dielectric constant, and low loss characteristics.

## Applications
### Power Supply Filtering
One of the primary applications of the CL21A476MQCLRNC series is in power supply circuits. The high capacitance value allows the capacitor to store and release energy, effectively filtering out ripple and noise from the power supply. This helps to provide a stable and clean DC voltage to the rest of the circuit, improving the overall performance and reliability of the electronic device.

### Decoupling
In digital circuits, the CL21A476MQCLRNC capacitors can be used as decoupling capacitors. They help to reduce the impedance between the power supply and the integrated circuits (ICs), preventing voltage fluctuations and noise from affecting the operation of the ICs. This is particularly important in high - speed digital circuits where even small voltage variations can cause errors or malfunctions.

### Energy Storage
The ability of these capacitors to store a relatively large amount of energy makes them suitable for energy storage applications. For example, in some backup power systems or pulsed power applications, the CL21A476MQCLRNC series can be used to store

Images for reference

CL Series 0805(2012 Metric) 9

CL Series 0805(2012 Metric) 9

Datasheets

Partlist

CL21A476MQCLRNC