GRM1555C1HR40BA01D
Miniature ceramic capacitors for precision electronic circuits
Manufacturer： murata
series introduction
# Introduction to the GRM1555C1HR40BA01D Product Series
## 1. Overview
The GRM1555C1HR40BA01D belongs to a specialized product series that is likely part of a capacitor product line, specifically within the realm of multilayer ceramic capacitors (MLCCs). These components are fundamental building - blocks in modern electronic circuits, playing crucial roles in a wide range of applications due to their unique electrical properties and compact form factors.
## 2. Physical Characteristics
### Dimensions
The GRM1555C1HR40BA01D is designed with a specific size that adheres to industry - standard dimensions. This standardization allows for easy integration into printed circuit boards (PCBs). The compact size makes it suitable for use in space - constrained applications, such as mobile devices, wearables, and small - form - factor consumer electronics.
### Construction
It is a multilayer ceramic capacitor, which means it consists of multiple layers of ceramic dielectric material interleaved with metal electrodes. The ceramic dielectric is carefully selected and engineered to provide the desired electrical performance. The electrodes are typically made of a highly conductive metal, ensuring efficient charge storage and transfer.
## 3. Electrical Specifications
### Capacitance
The “R40” in the product code indicates the capacitance value. In this case, the capacitor has a capacitance of 0.40 μF (microfarads). Capacitance is a measure of the capacitor's ability to store electrical charge. A 0.40 μF capacitor can store a relatively moderate amount of charge, making it suitable for applications where filtering, coupling, or decoupling of electrical signals is required.
### Voltage Rating
The “1H” in the code represents the voltage rating. For this capacitor, it has a rated voltage of 50V. This means that the capacitor can safely operate in circuits where the maximum voltage across its terminals does not exceed 50V. It is important to ensure that the voltage in the application is within this rating to prevent capacitor failure, such as dielectric breakdown.
### Tolerance
The capacitor likely has a specified tolerance, which indicates the allowable deviation from the nominal capacitance value. A common tolerance for MLCCs is ±10% or ±20%. This tolerance is important in applications where precise capacitance values are critical, such as in some oscillator circuits or filter designs.
### Temperature Coefficient
The ceramic dielectric used in the GRM1555C1HR40BA01D has a specific temperature coefficient. This coefficient describes how the capacitance value changes with temperature. Different temperature coefficients are available to suit different application requirements. For example, in applications where the temperature can vary significantly, a capacitor with a stable temperature coefficient may be preferred to maintain consistent electrical performance.
## 4. Performance Advantages
### Low Equivalent Series Resistance (ESR)
MLCCs in general, and the GRM1555C1HR40BA01D in particular, often have low ESR values. Low ESR is beneficial in applications where high - frequency performance is required, such as in power supply circuits. It helps to reduce power losses and improve the efficiency of the circuit, as less energy is dissipated as heat in the capacitor.
### High Frequency Response
Due to their construction and the properties of the ceramic dielectric, these capacitors can operate effectively at high frequencies. They can quickly charge and discharge, making them suitable for filtering high - frequency noise in electronic circuits. This is especially important in modern electronic devices that operate at high clock speeds and are susceptible to electromagnetic interference (EMI).
### Reliability
The GRM1555C1HR40BA01D is designed to be a reliable component. The multilayer construction provides mechanical stability, and the ceramic dielectric is
Images for reference
GRM Series_0402(0.5mm Thickness)
0402(10x5)
GRM Series_0402(0.5mm Thickness)