GJM1555C1H1R5CB01D
Small 1.5pF ceramic capacitors for high-frequency electronic circuits
Manufacturer： murata
series introduction
# Introduction to the GJM1555C1H1R5CB01D Product Series
## 1. Overview
The GJM1555C1H1R5CB01D product series belongs to the category of electronic components, specifically multilayer ceramic capacitors (MLCCs). These capacitors are essential building blocks in modern electronic circuits, playing a crucial role in various applications due to their unique electrical properties and compact design.
## 2. Product Specifications
### Physical Characteristics
- **Size**: The "155" in the model number typically indicates the physical dimensions of the capacitor. In the case of MLCCs, it often follows a standard size code. This series likely has a relatively small form - factor, which is beneficial for applications where space is limited, such as in mobile devices, wearables, and miniaturized electronic modules.
- **Package**: It is designed in a surface - mount technology (SMT) package. SMT components are easy to assemble on printed circuit boards (PCBs) using automated pick - and - place machines, enabling high - volume production with high precision and efficiency.
### Electrical Characteristics
- **Capacitance**: The value "1R5" represents a capacitance of 1.5 μF. Capacitance is a measure of a capacitor's ability to store electrical charge. A 1.5 μF capacitance is suitable for a wide range of applications, including decoupling, filtering, and energy storage in electronic circuits.
- **Voltage Rating**: The "1H" in the model number usually indicates the voltage rating. In the common coding system, "1H" corresponds to a rated voltage of 50V. This means that the capacitor can safely operate at a maximum DC voltage of 50V without the risk of dielectric breakdown.
- **Dielectric Material**: The dielectric material used in this capacitor series is carefully selected to provide specific electrical properties. The dielectric affects parameters such as capacitance stability, temperature coefficient, and equivalent series resistance (ESR). The choice of dielectric in the GJM1555C1H1R5CB01D series is optimized to offer good performance over a wide range of operating conditions.
- **Tolerance**: The tolerance of the capacitance value is an important specification. While not explicitly mentioned in the model number, it is typically within a certain range, such as ±5% or ±10%. A tighter tolerance ensures more accurate capacitance values, which is crucial in applications where precise electrical characteristics are required.
### Temperature Characteristics
- **Temperature Coefficient**: The capacitor is designed to have a specific temperature coefficient, which describes how the capacitance value changes with temperature. This series is engineered to maintain relatively stable capacitance over a wide temperature range, ensuring reliable performance in different environmental conditions. For example, it may have a temperature coefficient that allows it to operate effectively from - 55°C to +125°C, making it suitable for both industrial and automotive applications.
## 3. Applications
### Power Supply Decoupling
In power supply circuits, the GJM1555C1H1R5CB01D capacitors are used for decoupling. They help to filter out high - frequency noise and voltage fluctuations from the power supply, providing a stable DC voltage to the electronic components. This is essential for the proper operation of sensitive integrated circuits (ICs), as any noise or voltage variations can cause malfunctions or errors in their performance.
### Signal Filtering
In audio and radio frequency (RF) circuits, these capacitors can be used as part of filtering networks. They can block DC signals while allowing AC signals of specific frequencies to pass through, effectively shaping the frequency response of the circuit. For example, in an audio amplifier, they can be used to filter out unwanted high - frequency noise and improve the audio quality.
### Energy
Images for reference
NCP,GCM,GRM,GJM Series 0402
GJM Series, 0402
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