GRM31B7U2E103JW31L Series

series introduction

# Introduction to the GRM31B7U2E103JW31L Product Series

## 1. Overview
The GRM31B7U2E103JW31L belongs to a specialized series of electronic components, specifically multilayer ceramic capacitors (MLCCs). These capacitors are crucial building - blocks in modern electronic circuits, offering a wide range of applications due to their unique electrical properties and physical characteristics.

## 2. Physical Characteristics
### Dimensions
The GRM31B7U2E103JW31L has a well - defined physical size. The "GRM31" in the part number often indicates a specific package size. This particular series is designed to fit into standard printed circuit board (PCB) layouts, allowing for easy integration into various electronic devices. The 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.

### Construction
It is constructed using a multilayer ceramic structure. Multiple layers of ceramic dielectric material are interleaved with metal electrodes. This design significantly increases the capacitance value within a small volume. The ceramic dielectric used in this series is carefully selected to provide stable electrical performance over a wide range of operating conditions.

## 3. Electrical Specifications
### Capacitance
The "103" in the part number indicates the capacitance value. Using the standard capacitor coding system, 103 translates to a capacitance of 10 x 10³ pF, which is equivalent to 0.01 μF. This capacitance value is suitable for a variety of filtering, coupling, and bypass applications in electronic circuits.

### Voltage Rating
The "2E" in the part number is related to the voltage rating. In this case, it typically represents a rated voltage of 25V. This means that the capacitor can safely operate in circuits where the maximum voltage across it does not exceed 25V. It is important to select a capacitor with an appropriate voltage rating to ensure reliable operation and prevent damage to the component.

### Tolerance
The "J" in the part number indicates the capacitance tolerance. A "J" tolerance means that the actual capacitance value of the capacitor can vary by ±5% from the nominal value. This relatively tight tolerance ensures that the capacitor will perform as expected in circuits where precise capacitance values are required.

### Temperature Coefficient
The ceramic material used in the GRM31B7U2E103JW31L has a specific temperature coefficient. This determines how the capacitance value changes with temperature. The "B7" in the part number is associated with a particular temperature characteristic, which provides relatively stable capacitance over a wide temperature range. This makes the capacitor suitable for use in environments where the temperature may fluctuate, such as automotive electronics and industrial control systems.

## 4. Applications
### Power Supply Filtering
In power supply circuits, the GRM31B7U2E103JW31L can be used as a filtering capacitor. It helps to smooth out the DC voltage by reducing the ripple voltage. By storing and releasing electrical energy, it can suppress high - frequency noise and ensure a stable power supply to other components in the circuit.

### Signal Coupling
In audio and communication circuits, this capacitor can be used for signal coupling. It allows the AC component of a signal to pass through while blocking the DC component. This is essential for transferring signals between different stages of an amplifier or other signal - processing circuits without affecting the DC bias conditions.

### Decoupling
In digital circuits, the GRM31B7U2E103JW31L serves as a decoupling capacitor. It provides a local reservoir of charge to the integrated circuits (ICs), reducing the effects of power supply

Images for reference

GRM Series_1206_1.25

1206

GRM Series_1206_1.25

Datasheets

Partlist

GRM31B7U2E103JW31L