MLCC X7R Features and Characteristics

2024-11-04

MLCCs are now widely used in applications such as consumer electronics, automotive systems, telecommunications, and industrial equipment, primarily for decoupling and filtering purposes. X7R dielectric MLCCs are the most common and widely used type of MLCC.

X7R MLCC Features:

Dielectric Material: X7R is a Class 2 dielectric, which means it offers a moderate capacitance with some variation over temperature and voltage.

Temperature Range: Typically rated for -55°C to +125°C, making them suitable for a wide range of environmental conditions.

Capacitance Values: Available in a broad range of capacitance values, often from a few picofarads to several microfarads.

Voltage Ratings: Commonly found in voltage ratings from 6.3V to 100V and higher.

Characteristics:

Temperature Coefficient: The capacitance can change by ±15% over the specified temperature range.

Voltage Coefficient: Capacitance may decrease with increasing applied voltage, often referred to as DC bias effect.

ESR and ESL: X7R capacitors generally exhibit low Equivalent Series Resistance (ESR) and Equivalent Series Inductance (ESL), beneficial for high-frequency applications.

X7R MLCC Advantages

High Capacitance Density: Compact size allows for high capacitance in small packages, ideal for space-constrained applications.

Versatility: Suitable for various applications due to their moderate temperature and voltage stability.

Cost-Effectiveness: Generally more affordable than other capacitor types with similar specifications.

Good Performance in Filtering: Effective for decoupling and filtering applications in power supply circuits.

Applications

Consumer Electronics: Widely used in smartphones, laptops, and other portable devices for power supply filtering and decoupling.

Automotive: Common in automotive electronics, especially for power management and signal filtering.

Telecommunications: Employed in RF applications, decoupling, and filtering circuits.

Industrial: Used in power supplies and motor control applications due to their robustness.

Computers: Found in motherboards and other computer components for noise suppression and decoupling.

Shortage Issues

Material Availability: The shortage of raw materials, particularly due to increased demand and supply chain disruptions, has impacted the production of X7R MLCCs.

High Demand: The growing demand for electronics, particularly in automotive and consumer sectors, has led to shortages.

Manufacturing Capacity: Limited manufacturing capacity and long lead times for production can exacerbate shortages.

Market Dynamics: Fluctuations in market demand and geopolitical factors may influence availability.

X7R MLCCs offer a balance of performance and cost-effectiveness, making them suitable for a wide range of applications. However, current market shortages can affect availability, highlighting the need for careful sourcing and planning in design processes.

Hongda Capacitors offer a wide range of MLCC.
Case size: 0210-2220
Dielectri: X7R, X5R, NPO, Y5V
Capacitance: 0.1pF~330uF
Voltage 2.5V ~ 7200V

We have running stock to support fast delivery.

Our MLCC can replace to Murata, Vishay, TDK, Kemet, AVX. It’s your best alternative for cost down.

Welcome contact me via:
Skype/whatapp/wechat: +86-13543726447
Email: emily@hongdaelec.com