Chip Ceramic Capacitors Definition

Chip MLCC (Chip Multi-layer Ceramic Capacitors), that is, chip multilayer ceramic capacitors, are laminated ceramic dielectric films with printed electrodes (internal electrodes) in a staggered manner. After a one-time high-temperature sintering, a ceramic chip is formed. The two ends of the chip are sealed with a metal layer (external electrode) to form a monolithic structure, so it is also called a monolithic capacitor.

It can be seen that the internal electrodes are stacked by one layer to increase the area of the capacitor plates, thereby increasing the capacitance.

The ceramic medium is the internal filling medium, and the characteristics of capacitors made of different dielectrics are different. Some have large capacity, some have good temperature characteristics, and some have good frequency characteristics. This is why there are so many types of ceramic capacitors.

The Pros of Chip MLCC

1. Small Size: Chip ceramic capacitors are compact and can be mounted directly on the circuit board, saving space compared to other types of capacitors.
2. High Capacitance Values: They can offer high capacitance values, allowing for effective energy storage and smoothing of voltage fluctuations.
3. Fast Charging and Discharging: Chip ceramic capacitors have low internal resistance, enabling them to charge and discharge quickly.
4. Low ESR (Equivalent Series Resistance): They have low ESR, reducing power loss and improving circuit efficiency.
5. Wide Frequency Range: Chip ceramic capacitors can operate over a broad range of frequencies and are suitable for high-speed and high-frequency applications.

The Cons of Chip MLCC

1. Voltage Dependence: Ceramic capacitors have a voltage coefficient, meaning their capacitance value can be affected by the applied voltage. This can lead to capacitance variation and affect circuit performance.
2. Temperature Sensitivity: The capacitance of chip ceramic capacitors can vary with temperature, potentially affecting their performance in extreme temperature conditions.
3. Piezoelectric Effect: Certain types of chip ceramic capacitors may exhibit the piezoelectric effect, which means they can generate an electrical charge when subjected to mechanical stress or vibration. This effect can interfere with the proper functioning of sensitive electronic circuits.
4. Limited Voltage Ratings: Chip ceramic capacitors may have comparatively lower voltage ratings compared to other capacitor types, making them unsuitable for high-voltage applications.

The Application of Chip MLCC:

1. Power Supply Decoupling: MLCCs are often used for decoupling purposes in power supply circuits. They help to filter out noise and stabilize voltage by providing a low impedance path for high-frequency components.

2. Signal Coupling and Blocking: Chip MLCCs can be employed for coupling or blocking signals in amplifiers, filters, and other signal processing circuits. They enable the transfer of AC signals while blocking DC or unwanted frequencies.

3. RF Circuits: MLCCs with their high-frequency characteristics are suitable for radio frequency (RF) applications. They are used in wireless communication devices, RF filters, antennas, and RF matching networks.

4. Timing and Oscillation: MLCCs are used in timing circuits and oscillators to determine the frequency and stability of the generated signals. They provide the necessary capacitive elements for accurate timing and frequency control.

5. EMI/EMC Filtering: MLCCs can help reduce Electromagnetic Interference (EMI) and improve Electromagnetic Compatibility (EMC) in electronic systems. They are used for filtering high-frequency noise that can interfere with the operation of other components.

6. Sensor Applications: MLCCs are utilized in sensor circuits for various applications, including temperature sensing, pressure sensing, humidity sensing, and more. They can act as components in the sensor circuitry or provide filtering and decoupling functions.

7. Consumer Electronics: MLCCs are extensively used in consumer electronic devices such as smartphones, tablets, laptops, televisions, and audio equipment. They are employed in power circuits, audio circuits, display drivers, memory modules, and other components of these devices.

8. Automotive Electronics: Chip MLCCs find applications in automotive electronics, such as engine control units, infotainment systems, safety systems, and advanced driver-assistance systems (ADAS). They are used for power management, signal conditioning, filtering, and other purposes.

9. Industrial Applications: MLCCs are employed in industrial equipment, instrumentation, control systems, robotics, and automation. They contribute to power regulation, noise suppression, signal conditioning, and power factor correction.

10. Aerospace and Defense: Chip MLCCs are also utilized in aerospace and defense applications such as avionics systems, radar systems, satellite communication, military electronics, and more. They provide reliable capacitive solutions for critical circuitry in harsh and demanding environments.

In the future, MLCC will continue to develop in the direction of high-voltage, high-frequency, high reliability, Miniaturization and small size to meet the ever-changing downstream terminal market demand.

HONGDA Capacitors’ advantage

HONGDA Capacitors starts manufacturing since 1999, the ISO9001 qualified factory in China, with dust-free, advanced production lines, and strict quality control(from in-coming material, in-process, to out-going products), pls find below photos.

Automatic machines to produce, to secure quality and fast delivery.

Perfectly replace: Murata TDK Yageo Panasonic, etc.

www.hongdacap.com.hk/pdf/Cross_Reference_for_Chip_Multilayer_Ceramic_Capacitors.pdf

Offering various series, pls find below:

1. Standard chip MLCC, HLC series, http://www.hongdacap.com.hk/pdf/HLC-Chip_Ceramic_Capacitors-MLCC.pdf

Size: 0201 0402 0603 0805 1206 1210 1808 1812 2220 2225

Voltage: 4V~4000V

Fast delivery, 2weeks for regular items.

2. High Q MLCC, HMQ series, http://www.hongdacap.com.hk/pdf/High-Q-Multilayer-Ceramic-Capacitors-MQ-Series.pdf

with power over 1KW and max voltage 7200V

Size: 0402 0505 1111 0603 0805 2525 3838

Perfectly replace ATC, Murata / Johason /ATC / Taiyo Yuden

3. Military Grade: CC41 Series

Military level & high reliability

Size: 0402 0603 0805 1206 1210 1812 2220 2225

Capacitance: 0.5pF to 0.22μF

Terminal：Base Metallization - Metal Shield - Tin (Sn/Lead alloy with at least 3% lead)

4. Military Grade: CC41V Series

Military level & high reliability

Size: 0805 1206 1210 1812 2220 2225 3035 3640 5550

Capacitance: 1pF to 0.15uF

Terminal：Base Metallization - Metal Shield - Tin (Sn/Lead alloy with at least 3% lead)

5. Military Grade: CT41 Series

Military level & high reliability

Size: 0402 0603 0805 1206 1210 1812 2220 2225 3025

Capacitance: 220pF to 470uF

Terminal：Base Metallization - Metal Shield - Tin (Sn/Lead alloy with at least 3% lead)

6. Military Grade, Medium and High Voltage: CT41V Series

Military level & high reliability

Size: 0805 1206 1210 1812 2220 2225 3035 3640 4545 5550 7680

Capacitance: 100pF to 0.68uF

Terminal：Base Metallization - Metal Shield - Tin (Sn/Lead alloy with at least 3% lead)

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