C3216X7R2J103K
High-voltage multilayer ceramic capacitors for SMD applications
Manufacturer： tdk
series introduction
# Introduction to the C3216X7R2J103K Product Series
## 1. Overview
The C3216X7R2J103K product series belongs to the category of multilayer ceramic capacitors (MLCCs). These capacitors are essential passive components widely used in various electronic circuits, playing a crucial role in functions such as energy storage, filtering, coupling, and decoupling.
## 2. Product Naming Convention
Let's break down the meaning of the product code "C3216X7R2J103K":
- **C**: Usually indicates that it is a capacitor.
- **3216**: This represents the physical size of the capacitor according to the international standard. In the metric system, it means the length is 3.2mm and the width is 1.6mm. This size is a common and widely used form factor, which allows for easy integration into different printed circuit boards (PCBs) and electronic devices.
- **X7R**: It is the dielectric type of the capacitor. X7R is a Class II dielectric, known for its relatively high capacitance density and good temperature stability. The "X" indicates that the capacitor can operate at a minimum temperature of -55°C, and "7" means the maximum operating temperature is +125°C. The capacitance change within this temperature range is typically within ±15%, making it suitable for a wide range of applications where temperature variations are expected.
- **2J**: The "2" might be a manufacturer - specific code or related to certain internal design features. The "J" represents the voltage rating. In this case, it indicates a voltage rating of 6.3V.
- **103**: This is the capacitance value code. Using the standard capacitor coding system, the first two digits (10) are the significant figures, and the third digit (3) is the multiplier. So, the capacitance value is \(10\times10^{3}\) pF, which is equivalent to 10,000 pF or 0.01 μF.
- **K**: It represents the tolerance of the capacitance value. A "K" tolerance means that the actual capacitance value can deviate from the nominal value by ±10%.
## 3. Electrical Characteristics
### Capacitance
The nominal capacitance of the C3216X7R2J103K is 0.01 μF. This capacitance value is suitable for a variety of applications, such as filtering out high - frequency noise in power supply lines or coupling signals between different stages of an amplifier circuit.
### Voltage Rating
With a voltage rating of 6.3V, these capacitors are designed to operate safely within this voltage limit. Exceeding the voltage rating can lead to dielectric breakdown, which may damage the capacitor and cause malfunctions in the circuit.
### Temperature Coefficient
Thanks to the X7R dielectric, the capacitor has a relatively stable capacitance over a wide temperature range from - 55°C to +125°C. This temperature stability is crucial in applications where the operating environment temperature can vary significantly, such as automotive electronics, industrial control systems, and outdoor electronic devices.
### Equivalent Series Resistance (ESR)
The ESR of the C3216X7R2J103K is relatively low. A low ESR is beneficial in applications where high - frequency performance is required, such as in switching power supplies. It helps to reduce power losses and improve the efficiency of the circuit.
## 4. Physical Characteristics
### Size and Shape
As mentioned earlier, the 3216 size (3.2mm x 1.6mm) makes it a surface - mount device
Images for reference
1206(1.30mm)
C SERIES_1206_1.3
1206(1.30mm)