High Voltage Surface Mount Capacitors
High voltage capacitors are for high voltage applications, with various capacitance values and case sizes. They come in surface mount and leaded devices to suit different design requirements.
Multilayer ceramic capacitors (MLCCs) are a type of capacitor that has high capacitance and low tolerance, good for power supply and voltage multiplier applications.
Capacitors are an essential component in electronic devices, and understanding their characteristics is key to designing high voltage applications.
Ceramic capacitors are popular for high voltage applications because of high voltage withstand and low leakage current.

Types of Capacitors
High voltage capacitors come in different types, each for specific application. Among the most common are multilayer ceramic capacitors (MLCCs) and surface mount devices (SMDs). MLCCs are best for high voltage applications, with broad range of capacitance values and high reliability. These capacitors use ceramic material as dielectric, which has high stability and low leakage current, good for harsh environments.
Ceramic capacitors, a subset of high voltage capacitors, are robust and reliable. They come in various case sizes, 0402, 0603, 0805 and can handle voltage from 500VDC to 10,000VDC. For example high voltage capacitors are required in power supply applications, filtering circuits and devices like resonators and snubbers that need precise and stable performance.
The choice of material affects the performance and reliability of high voltage capacitors. Ceramic material is favored for its excellent dielectric properties and high voltage withstand. By choosing the right type and material, designers can minimize the risk of electrical shock or damage and ensure safe and efficient operation of high voltage applications.
Surface Mount Technology
Surface mount technology (SMT) is a method of mounting components on a printed circuit board (PCB) using a surface mount device (SMD).
High voltage SMT capacitors are designed to operate continuously at full rated voltage across the entire operating temperature range.
SMT capacitors have many benefits, high capacitance, low tolerance and small case sizes, good for high voltage applications.SMT capacitors are available with ultra-stable Class I, NPO and stable Class II, X7R dielectric materials for different applications.
High voltage SMT capacitors need to consider clearance and creepage requirements to ensure safe and reliable operation.
Start your inquiry about SMT capacitors to learn more about their components and design options.
High Voltage Applications
High voltage applications require specialized components including high voltage capacitors to ensure safe and reliable operation.
High voltage capacitors are used in power supply, voltage multiplier and resonator circuits.
High voltage applications involve high power and high voltage which can be dangerous if not handled properly.
Capacitors play a critical role in high voltage applications and choosing the right capacitor is key to achieve the desired performance and safety.
High voltage capacitors are designed to operate within a specific temperature range and meet RoHS compliance.
For more information about high voltage applications, please contact our customer support team.
Installation and Handling
Proper installation and handling of high voltage capacitors is crucial to ensure their safe and reliable operation. SMT high voltage capacitors in particular need to be handled carefully to avoid damage to their terminations or the device itself. Anti-static precautions are highly recommended to prevent damage from static electricity which can affect the capacitor’s performance.
When installing high voltage capacitors, it is important to minimize the risk of electrical shock or damage. This means choosing the right case size and capacitance value to meet the application requirements. In some cases high voltage capacitors can be used in series to achieve higher voltage ratings. But this requires careful consideration of the total capacitance value and the associated risks.
Follow the reference design provided by the manufacturer is critical to ensure safe and reliable operation. Manufacturers often provide detailed guidelines and FAQs on their website or through customer support. Note that high voltage capacitors are designed for specific applications and should not be used in environments where they may be exposed to excessive voltage or current. For more information, click on the manufacturer’s website to learn more about the proper use and applications of high voltage capacitors.
Safety and Reliability
High voltage capacitors are designed to meet high safety and reliability standards and are essential in high voltage applications. These capacitors reduce the risk of electrical shock or damage and ensure safe operation of high voltage systems. Ceramic capacitors are popular due to their high reliability and stability which is critical in demanding applications.
Many high voltage capacitors come with safety features such as overvoltage protection and thermal monitoring. These features enhance the capacitor’s ability to operate safely under different conditions. The standard for high voltage capacitors is to provide high level of safety and reliability and many devices meet or exceed international safety standards.
When designing a system that includes high voltage capacitors, it is important to consider the voltage and current ratings to ensure safe and reliable operation. The link between the high voltage capacitor and the rest of the system must be designed carefully to minimize the risk of electrical shock or damage. High voltage capacitors are designed to achieve high reliability and long lifespan, many devices offer mean time between failures (MTBF) of thousands of hours.
To learn more about high voltage capacitors and their applications, contact our customer support. It is important to agree to follow the safety precautions and guidelines when handling and installing high voltage capacitors to ensure their safe and reliable operation.
Capacitor Selection
- Choosing the right capacitor for high voltage application requires careful consideration of several factors including capacitance, voltage and case size.
- High voltage capacitors are available in different case sizes from 0402 to 8060 and voltages from 10V to 12kVdc.
- Capacitor selection also depends on the application such as timing/precision circuitry, energy storage, DC blocking, snubbers, transient suppression, decoupling, resonators and EMI filtering.
- Capacitor material such as ceramic or film also plays a critical role in determining the capacitor’s performance and reliability.
- Capacitor termination such as surface mount or leaded is also an important consideration in capacitor selection.