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Shenzhen Weidy Industrial Development Co.,Ltd.
Product: SMD Safety ceramic capacitors

SMD Safety ceramic capacitors

Shenzhen Weidy Industrial Development Co.,Ltd.

Description

SMD Safety Ceramic Capacitors are surface-mount ceramic capacitors specifically designed for electromagnetic interference (EMI) suppression and AC line filtering. They are internationally certified and suitable for applications that require interference prevention or protection of sensitive equipment from line transients and electromagnetic interference (EMI).

Product Features
- Compact Design
Utilizing Surface-Mount Technology (SMT), these capacitors have a lower profile (e.g., 2.5 mm height) and smaller footprint compared to traditional through-hole capacitors, making them ideal for high-density designs.
- High Reliability
Designed for long-term stable operation under extreme conditions, with a working temperature range of -40°C to 125°C.
- High Humidity Resistance
They meet high humidity ratings (e.g., Class IIb in IEC60384-14 Annex I) and low moisture sensitivity (Class 2a), making them suitable for humid environments.
- Safety Certifications
Certified to Y1 (500VAC/1500VDC) and X1 (760VAC) standards, capable of withstanding high pulse voltages.
- Environmental Compliance
Compliant with RoHS standards and halogen-free.
- Flame Retardancy
Encapsulated with epoxy resin that meets the UL94V-0 flammability rating.

More products by Shenzhen Weidy Industrial Development Co.,Ltd.

Capacitors for power electronics

Capacitors for power electronics

Power capacitors are essential energy storage components used in electrical power systems and equipment. They are designed to improve power factor, filter electrical noise, provide reactive power compensation, stabilize voltage, and store energy. By leveraging their rapid charge and discharge capabilities, power capacitors optimize the efficiency of power systems, reduce energy losses, and enhance the reliability and stability of electrical grids. They are widely used in industrial, commercial, renewable energy, and power transmission applications, making them an indispensable part of modern power systems.


Product Features
- High Capacity and High Voltage
Provide reactive power required by power systems with a wide voltage range, from low voltage to high voltage (e.g., 6kV to 500kV), meeting the needs of various application scenarios.
- Low Loss and High Efficiency
Utilizing advanced materials and manufacturing processes, power capacitors have extremely low equivalent series resistance (ESR), resulting in minimal energy loss and high operational efficiency, ensuring the efficient operation of power systems.
- Fast Response Capability
Capable of rapid charge and discharge, they can quickly compensate reactive power and stabilize voltage, making them particularly suitable for applications with frequent load changes.
- Long Life and High Reliability
Made with high-quality insulating materials and robust sealing structures, power capacitors ensure stable and reliable operation over long-term use, with a service life of more than 10 years.
- Self-Healing Function
Some power capacitors feature self-healing designs that automatically repair localized breakdowns, preventing faults from escalating and enhancing device safety.
- Strong Environmental Adaptability
With a wide operating temperature range (-40°C to +60°C), power capacitors can operate stably in various harsh environments.

New Energy Capacitors

New Energy Capacitors

The New Energy Capacitor is a high-performance energy storage component widely used in new energy vehicles, photovoltaic (PV) systems, wind power, and energy storage systems. It provides reliable power support for new energy devices through rapid charge and discharge, filtering, and bypass functions. The capacitor is characterized by high voltage, high current, low internal resistance, and long life. As a core component of modern new energy systems, it has become an indispensable element.

Product Features
- High Voltage and High Current
The capacitor has a wide rated voltage range, from 200VDC to 1200VDC, suitable for devices of different power levels. It also features a high continuous current load capacity of up to 250A, meeting the stringent requirements of high-power equipment.
- Low Internal Resistance and High Efficiency
The equivalent series resistance (ESR) is extremely low, below 0.1mΩ, significantly reducing energy loss and improving system efficiency. This ensures optimal performance in high-frequency and high-power applications.
- Self-Healing Characteristics
Designed with metallized polypropylene film, the capacitor has excellent self-healing properties, effectively preventing breakdown due to overvoltage. This significantly enhances the reliability and safety of the device.
- Wide Temperature Range
The operating temperature range is from -40°C to 105°C, allowing it to function stably in various harsh environments, whether in extremely cold polar regions or hot deserts.
- Long Life and High Reliability
With hundreds of thousands of charge-discharge cycles, the capacitor has a service life of over ten years, providing reliable support for long-term stable operation.
- Rapid Charge and Discharge
The capacitor can complete charge and discharge in a short time, meeting the demand for rapid response in new energy devices, especially in applications requiring instantaneous high-power output or fast charging.


Application Fields
- New Energy Vehicles
Widely used in electric drive controllers, DC busbars, and battery management systems, it provides stable and reliable power support for new energy vehicles, enhancing overall vehicle performance and safety.
- Photovoltaic and Wind Power
In inverters and converters, the capacitor is used for filtering, energy storage, and power regulation, ensuring the efficient operation of PV and wind power systems and optimizing energy conversion efficiency.
- Energy Storage Systems
Serving as an auxiliary component in battery energy storage systems, it enhances system stability and efficiency, extending the lifespan of energy storage devices.
- Industrial and Automotive Electronics
It provides reliable power solutions for industrial robots, intelligent instruments, and other devices, meeting the high-precision and high-reliability requirements of industrial applications.

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