Cylindrical Thick Film High Voltage Resistor
Product Overview
Cylindrical thick-film high-voltage resistors are manufactured using a high-performance ceramic substrate and thick-film sintering process, exhibiting excellent withstand voltage, pulse withstand capability, and long-term stability.
The products are available in silicone or glass dielectric encapsulation, enabling reliable operation in various environments including air, high-voltage oil, and epoxy resin.
Resistance tolerances cover ±1%, ±2%, ±5%, and ±10%, meeting diverse accuracy requirements.
Suitable for high-voltage and surge absorption circuits, these resistors are ideal high-performance components in power supplies, medical equipment, and high-voltage testing equipment.
Product Parameters
| Item |
Parameter Description |
| Product Type |
Cylindrical Thick Film Inductive High Voltage Resistor |
| Package Type |
Silicone Resin Encapsulation / Glass Dielectric Encapsulation |
|
Overload Characteristics
|
5 times the rated power, but not more than 1.5 times the
maximum continuous working voltage. 5 seconds continuously
|
| Substrate Material |
95% or more high-quality alumina ceramic (Al₂O₃) |
| Resistor Film Material |
Ruthenium and Palladium thick film paste |
| Sintering Temperature |
850℃ high-temperature sintering |
| Lead-out Material |
Tin-plated copper pins |
| Advantages |
High voltage resistance, pulse resistance, high stability, moisture resistance |
| Operating Environment |
Air, high-pressure oil, epoxy resin |
Performance Characteristics
This product utilizes a high thermal conductivity alumina ceramic substrate and precious metal thick-film material, ensuring excellent heat dissipation and electrical stability. The thick-film layer is sintered at 850℃, resulting in a dense and firmly adhered resistive film capable of withstanding high voltage and strong pulse impacts. Tin-plated copper pins ensure good conductivity and reliable soldering. The product features excellent moisture resistance, high voltage resistance, and high long-term stability, making it suitable for harsh environments and high-reliability applications.
Applications
- High-voltage power equipment and power modules
- Electrostatic spraying equipment and vacuum systems
- Medical imaging equipment (CT, X-ray machines)
- High-voltage dividers and testing instruments
- High-voltage capacitors and precision instruments
