Professional Grade Multilayer Ceramic Capacitors for Demanding Applications
Product Overview
Circuit Functions’ High Voltage X7R Ceramic Chip Capacitors are the best of multilayer ceramic capacitor (MLCC) technology, designed for applications that require high voltage reliability. These precision made components combine high performance with mechanical ruggedness, perfect for critical circuit designs in industrial, medical, telecommunications and automotive sectors.
Key Features & Specifications
Voltage Ratings:
- Available in range from 500V to 5000V DC
- Industry leading voltage stability with minimal derating
- Tested and certified for continuous operation at rated voltage
Capacitance Range:
- 10pF to 4.7μF to suit various circuit designs
- Tight tolerance options: ±5%, ±10%, ±20%
- Capacitance value consistent across operating temperature range
Temperature Performance:
- X7R dielectric: ±15% capacitance change from -55°C to +125°C
- Excellent thermal stability for extreme environments
- Low ESR and ESL across entire temperature range
Physical Characteristics:
- Multiple case sizes: 0805, 1206, 1210, 1808, 1812, 2220, 2225
- Proprietary termination: standard tin, RoHS compliant, custom
- Highly resistant to thermal shock and mechanical stress
Reliability Metrics:
- MTBF >1,000,000 hours at rated voltage and temperature
- MSL: 1
- 100% tested and inspected for electrical performance
Applications
Our high voltage X7R ceramic capacitors are used in:
- Switch-mode power supplies and DC-DC converters
- Medical imaging and diagnostic equipment
- Telecommunications infrastructure
- LED lighting drivers and ballasts
- Industrial automation and control systems
- Automotive safety and powertrain systems
- High-reliability aerospace and defense applications
Technical Advantages
Superior Voltage Handling: Our internal electrode design and ceramic formulation allows for high voltage stability and minimizes the risk of breakdown under transient conditions. This ensures long term reliability in high voltage environments where other MLCCs will fail.
Thermal Management: X7R dielectric provides excellent temperature stability and high volumetric efficiency. This allows for smaller component footprint without sacrificing performance or reliability even in thermal harsh environments.
Low Acoustic Noise: Special internal construction minimizes piezoelectric effects resulting in reduced acoustic noise generation – a critical requirement for audio equipment and medical devices.
Design Flexibility: With multiple package sizes, voltage ratings and capacitance values our high voltage X7R capacitors can be matched to your exact circuit requirements eliminating the need for over engineered solutions.
Quality Assurance & Compliance
- ISO 9001:2015 certified manufacturing process
- RoHS and REACH compliant
- Halogen free options available
- Lot specific documentation
- AEC-Q200 qualified for automotive applications
Packaging & Availability
- Tape and reel packaging for automated assembly
- Standard packaging quantities: 1,000, 2,500, 5,000
- Custom reels available
- Global inventory for fast delivery
- Sample kits available for engineering evaluation
Technical Support
Our application engineers are available to assist with component selection, design validation and problem solving. With decades of combined experience in high voltage circuit design we can help optimize your application for maximum performance and reliability.
Custom Solutions
Beyond our standard catalog offerings Circuit Functions can develop custom high voltage capacitor solutions to your specific requirements. From special voltage ratings to unique package dimensions our engineering team can design and manufacture components to match your circuit needs.