C3225X7R1C156M250AB Series

series introduction

# Introduction to the C3225X7R1C156M250AB Product Series

## 1. Overview
The C3225X7R1C156M250AB product series belongs to the category of multilayer ceramic capacitors (MLCCs). These components are widely used in various electronic circuits due to their excellent electrical properties, compact size, and high reliability. MLCCs are essential passive components that store and release electrical energy, playing a crucial role in filtering, decoupling, and coupling applications.

## 2. Product Naming Convention
Let's break down the product code C3225X7R1C156M250AB to understand its key specifications:
- **C**: This is often a prefix used by the manufacturer to denote a capacitor product.
- **3225**: Represents the physical size of the capacitor, also known as the case size. In the metric system, 3225 corresponds to a length of 3.2 mm and a width of 2.5 mm. This relatively small size makes it suitable for applications where space is limited, such as in mobile devices, wearables, and compact circuit boards.
- **X7R**: This is the dielectric type. X7R is a popular dielectric material known for its stable capacitance over a wide temperature range. It has a temperature coefficient of ±15% from -55°C to +125°C, which means that the capacitance value of the capacitor will remain relatively stable within this temperature range. This makes X7R capacitors suitable for applications that require consistent performance in different environmental conditions.
- **1C**: This part of the code may be specific to the manufacturer's internal coding system and could indicate additional features or characteristics related to the capacitor's construction or performance.
- **156**: The capacitance value is represented in picofarads (pF). In this case, 156 means 15 followed by 6 zeros, which is equivalent to 15 μF (since 1 μF = 1,000,000 pF). This relatively high capacitance value makes the capacitor suitable for applications that require large amounts of charge storage, such as power supply filtering.
- **M**: Indicates the tolerance of the capacitance value. The letter "M" corresponds to a tolerance of ±20%. This means that the actual capacitance of the capacitor can vary by up to 20% from the nominal value of 15 μF.
- **250**: Represents the rated voltage of the capacitor in volts. A rated voltage of 250 V means that the capacitor can safely operate at voltages up to 250 V without the risk of breakdown or damage.
- **AB**: Similar to "1C", this may be part of the manufacturer's internal coding system, providing additional information about the product, such as packaging type or specific manufacturing batch.

## 3. Electrical Characteristics
### Capacitance
As mentioned earlier, the nominal capacitance of the C3225X7R1C156M250AB capacitor is 15 μF. However, due to the ±20% tolerance, the actual capacitance can range from 12 μF to 18 μF. This capacitance value is crucial for applications such as power supply filtering, where the capacitor is used to smooth out the voltage ripple and provide a stable power supply to the circuit.

### Voltage Rating
With a rated voltage of 250 V, this capacitor can handle relatively high voltages, making it suitable for use in power electronics applications, such as in switch - mode power supplies (SMPS), where high - voltage DC or AC signals are present. It is important to ensure that