C0805C334K5RAC
Compact 0805 SMD multilayer ceramic capacitors, 0.33uF, 50V, X7R dielectric
Manufacturer： kemet
series introduction
# Introduction to the C0805C334K5RAC Product Series
## 1. Overview
The C0805C334K5RAC product series belongs to the category of ceramic capacitors. These components are widely used in various electronic circuits due to their excellent electrical properties, reliability, and compact size. The naming convention of C0805C334K5RAC provides important information about the capacitor's characteristics.
- **C**: Typically indicates that it is a ceramic capacitor.
- **0805**: Refers to the package size of the capacitor. In the imperial system, 0805 means the capacitor has a length of 0.08 inches (2.032 mm) and a width of 0.05 inches (1.27 mm). This is a very common and standard surface - mount package size, which is suitable for automated assembly processes, making it highly compatible with modern printed circuit board (PCB) manufacturing techniques.
- **C**: May represent a specific dielectric type or a family within the ceramic capacitor product line.
- **334**: This is the capacitance value code. Using the standard capacitor value coding system, the first two digits (33) are the significant figures, and the third digit (4) is the multiplier. So, the capacitance value is \(33\times10^{4}\) picofarads, which is equal to 330,000 picofarads or 0.33 microfarads (\(\mu F\)).
- **K**: Indicates the tolerance of the capacitance value. A "K" tolerance means that the actual capacitance value of the capacitor can vary by ±10% from the nominal value of 0.33 \(\mu F\). So, the actual capacitance can range from \(0.33\times(1 - 0.1)=0.297\ \mu F\) to \(0.33\times(1 + 0.1)=0.363\ \mu F\).
- **5RAC**: This part of the code may represent additional characteristics such as voltage rating, temperature coefficient, or specific product features defined by the manufacturer.
## 2. Electrical Properties
### Capacitance
As mentioned earlier, the nominal capacitance of the C0805C334K5RAC capacitor is 0.33 \(\mu F\). Capacitance is a measure of the capacitor's ability to store electrical charge. In electronic circuits, it can be used for tasks such as filtering, coupling, and decoupling. For example, in a power supply circuit, a capacitor with this capacitance value can be used to smooth out the DC voltage by storing and releasing charge to reduce voltage ripple.
### Tolerance
The ±10% tolerance is suitable for many general - purpose applications. In circuits where precise capacitance values are not critical, such as in some audio coupling circuits or simple power supply filtering, this tolerance level is acceptable. However, in applications where more accurate capacitance is required, such as in high - frequency oscillators or precision analog circuits, capacitors with tighter tolerances may be needed.
### Voltage Rating
The voltage rating of the capacitor is an important parameter. It indicates the maximum voltage that the capacitor can safely withstand without breaking down. The "5RAC" code likely contains information about the voltage rating. A common voltage rating for 0805 - sized ceramic capacitors in this capacitance range could be 16V, 25V, or 50V. When selecting a capacitor for a circuit, it is crucial to ensure that the voltage rating is higher than the maximum voltage that will be applied across the capacitor in the actual application to prevent damage.
### Temperature Coefficient
Images for reference
0805 MLCC Caps
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