GRM1555C1H1R2BA01D
Precision 1.2pF ceramic capacitors in 0402 SMD package
Manufacturer： murata
series introduction
# Introduction to the GRM1555C1H1R2BA01D Product Series
## 1. Overview
The GRM1555C1H1R2BA01D belongs to a specific product series within the realm of electronic components, likely ceramic capacitors. These components play a crucial role in a wide range of electronic circuits, providing functions such as energy storage, filtering, coupling, and decoupling.
## 2. Product Specifications
### Physical Dimensions
The "GRM155" in the part number often indicates the physical size of the component. In the case of ceramic capacitors, this typically refers to a specific package size. The dimensions are carefully engineered to fit into various printed circuit board (PCB) designs, allowing for efficient use of space on the board. This compact size makes it suitable for applications where space is at a premium, such as in mobile devices, wearables, and small - form - factor consumer electronics.
### Capacitance Value
The "1R2" in the part number represents the capacitance value of the capacitor. In this case, it indicates a capacitance of 1.2 μF (microfarads). Capacitance is a measure of the capacitor's ability to store electrical charge. A 1.2 μF capacitor can store a relatively moderate amount of charge, which is useful in many circuits for tasks like smoothing out power supply voltages or filtering out unwanted electrical noise.
### Voltage Rating
The "1H" in the part number is related to the voltage rating of the capacitor. It typically indicates a voltage rating of 50V. This means that the capacitor can safely operate in circuits where the voltage across it does not exceed 50 volts. The voltage rating is an important specification as exceeding it can lead to capacitor failure, such as breakdown or short - circuiting, which can damage the entire electronic system.
### Dielectric Material
The "C" in the part number often represents the type of dielectric material used in the capacitor. Different dielectric materials have different properties, such as capacitance stability, temperature coefficient, and dielectric loss. The specific dielectric used in the GRM1555C1H1R2BA01D is chosen to provide a balance of performance characteristics suitable for a variety of applications. For example, it may offer good capacitance stability over a certain temperature range, which is important in environments where the temperature can vary.
## 3. Electrical Characteristics
### Equivalent Series Resistance (ESR)
The ESR of the GRM1555C1H1R2BA01D is an important parameter. It represents the resistance that is effectively in series with the capacitance. A low ESR is generally desirable as it reduces power losses in the capacitor, especially in high - frequency applications. Low ESR also helps in improving the efficiency of the circuit and reducing the amount of heat generated by the capacitor.
### Temperature Coefficient
The temperature coefficient of the capacitor indicates how the capacitance value changes with temperature. The GRM1555C1H1R2BA01D is designed to have a relatively stable capacitance over a certain temperature range. This is crucial in applications where the operating temperature can vary, such as in automotive electronics or industrial control systems. A stable capacitance ensures that the circuit performance remains consistent regardless of temperature fluctuations.
### Frequency Response
The capacitor has a specific frequency response characteristic. It can effectively filter or couple signals within a certain frequency range. In high - frequency applications, the capacitor's ability to respond quickly to changes in voltage is important. The GRM1555C1H1R2BA01D is optimized to perform well in a wide range of frequencies, making it suitable for use in both low - frequency and high - frequency circuits.
## 4. Applications
### Power Supply Circuits
In power
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