GCM188R71H473KA55D
Compact 0603 SMD multilayer ceramic capacitors, 0.047uF, 50V, X7R dielectric
Manufacturer： murata
series introduction
# Introduction to the GCM188R71H473KA55D Product Series
## 1. Overview
The GCM188R71H473KA55D product series belongs to the category of multilayer ceramic capacitors (MLCCs). These components are fundamental building blocks in modern electronic circuits, playing a crucial role in a wide range of applications due to their unique electrical properties and reliability.
## 2. Product Naming Convention
Let's break down the product code "GCM188R71H473KA55D" to understand its key features:
- **GCM**: This is often a prefix specific to the manufacturer, which helps in identifying the product line or series within their catalog.
- **188**: It typically represents the physical size of the capacitor. In this case, it indicates the dimensions of the component, which is important for PCB (Printed Circuit Board) layout and space - constrained applications.
- **R7**: This denotes the dielectric type. The R7 dielectric is a Class II dielectric, known for its relatively high capacitance values and moderate temperature stability.
- **1H**: It is related to the rated voltage of the capacitor. The specific code "1H" corresponds to a rated voltage of 50V, which means the capacitor can safely operate at this voltage level without significant risk of breakdown.
- **473**: This is the capacitance value code. Using the standard capacitor coding system, the first two digits (47) are the significant figures, and the third digit (3) is the multiplier. So, the capacitance value is \(47\times10^{3}\) pF, which is equivalent to 47 nF.
- **KA**: It represents the tolerance of the capacitance value. The "KA" code indicates a tolerance of ±10%, meaning the actual capacitance of the capacitor can vary within 10% of the nominal value (47 nF in this case).
- **55D**: This part of the code may be related to additional features such as the termination finish or specific manufacturing process details.
## 3. Electrical Characteristics
### Capacitance
With a nominal capacitance of 47 nF, the GCM188R71H473KA55D capacitors are suitable for applications where a relatively large amount of charge storage is required. This capacitance value allows them to be used in filtering circuits, coupling circuits, and energy storage applications.
### Voltage Rating
The rated voltage of 50V makes these capacitors suitable for use in a variety of low - to medium - voltage electronic circuits. They can handle voltage spikes and fluctuations within this range, ensuring stable operation of the circuit.
### Temperature Coefficient
As a Class II dielectric capacitor, the R7 dielectric has a temperature coefficient that causes the capacitance to vary with temperature. However, within the specified operating temperature range, the change in capacitance is within acceptable limits for most applications. This allows the capacitors to maintain their performance in different environmental conditions.
### Tolerance
The ±10% tolerance means that the actual capacitance of the capacitor can be anywhere between 42.3 nF and 51.7 nF. This level of tolerance is sufficient for many general - purpose applications where precise capacitance values are not critical.
## 4. Physical Characteristics
### Size
The 188 size (the exact dimensions may vary depending on the manufacturer's standards) makes these capacitors relatively compact. This is advantageous in modern electronic devices where space is at a premium, such as smartphones, tablets, and wearable devices. Their small size allows for high - density PCB layouts, enabling the integration of more components on a single board.
### Termination
The termination finish, as indicated by the "55D
Images for reference
GCM188 Series, 0603
GCM Series, 0603
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