High Power Pulse Resistors High Power Surge Resistors assembly tailored to meet specific user requirements. It utilizes high-performance ceramic resistor discs from the RCD 07534 series , known for their robust design and thermal stability. This resistor unit is ideal for applications requiring high energy absorption, short-term high-power handling, and reliability under demanding conditions.
Key Features
- High Energy Capacity : Rated for a maximum energy load of 500 kJ , making it suitable for pulsed or high-energy discharge applications.
- High Thermal Tolerance :
- Continuous operation at surface temperatures below 150°C .
- Short-term tolerance up to 250°C .
- Custom Resistance Configuration :
- 20 ceramic resistor discs (each with 9.25 Ω ±10% ) are connected in series to achieve a total resistance of 185 Ω ±10% .
- Power Handling : Designed for an average power rating of 260 W , with each disc capable of handling 13 W .
- Voltage Withstanding Capability : Can withstand up to 10 kV , ensuring safe operation in high-voltage environments.
- Low Temperature Coefficient : Ranges from -0.05% to +0.15% /°C , providing stable resistance across varying temperatures.
- Voltage Coefficient : Varies between -0.5% to -7.5% per kV/cm , indicating controlled performance under electric field stress.
- Thermal Properties :
- Specific heat capacity: 2 J/(cm³·°C)
- Chip density: 2.1 g/cm³
- Total volume: 42 cm³
- Surface Treatment : The resistor column is coated with high-temperature green paint , enhancing durability and insulation.
Environmental Specifications
- Factory Pre-Tightened Design : To ensure proper contact between resistor chips, the assembly is factory-tightened using specialized tooling. Do not disassemble.
- Usage Recommendation : While the resistor can handle high short-term energy loads, it is not designed for prolonged or continuous operation .
- Moisture Sensitivity : Due to the porous nature of the ceramic material, the resistor chips should be pre-dried at 110–120°C for 24 hours before use to remove moisture and ensure optimal performance.
Application Summary
The RV086-500KJ-185R-K resistor assembly is particularly suited for industrial, power electronics, and transient suppression systems where short bursts of high energy dissipation are required. Its rugged construction, high thermal mass, and compact design make it ideal for integration into high-voltage discharge circuits, motor braking systems, and capacitor discharge units.
Conclusion High Power Pulse Resistors High Power Surge Resistors
With its combination of high energy handling, thermal resilience, and robust environmental specifications, the RV086-500KJ-185R-K offers a reliable and efficient solution for advanced electrical systems requiring precise and durable resistive components. Proper installation and pre-use conditioning are essential to maintain long-term performance and safety.