XIAN XIWUER ELECTRONIC AND INFO. CO., LTD
| Payment Terms | L/C,T/T |
| Supply Ability | 4,000,000 pcs a year |
| Delivery Time | 10-15 days |
| Packaging Details | Carton |
| Brand Name | XIWUER |
| Model Number | CT8-1-20kV-18000pF |
| Certification | ISO9001,ISO14001,OHSAS18001 |
| Place of Origin | XIAN, SHANNXI CHINA |
View Detail Information
Explore similar products
Doorknob Type Ceramic Disc Capacitor High Voltage 40KV 500pf Capacitor
20kv Ultra High Voltage Capacitors Doorknob Type 10000 Pf Capacitor
DC High Voltage Doorknob Capacitors For Primary And Secondary Integration
Low Dissipation High Voltage Doorknob Capacitors with High Withstanding Voltage
Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 4,000,000 pcs a year |
| Delivery Time | 10-15 days | Packaging Details | Carton |
| Brand Name | XIWUER | Model Number | CT8-1-20kV-18000pF |
| Certification | ISO9001,ISO14001,OHSAS18001 | Place of Origin | XIAN, SHANNXI CHINA |
| High Light | Low Dissipation High-Voltage Doorknob Capacitor ，High Withstanding Voltage HV Ceramic Capacitor ，High Insulation Resistance High-Voltage Doorhandle Capacitor | ||
High-Voltage Doorhandle Capacitors: Nondestructive Testing Equipment
| No. | Specification | Dissipation | Withstanding Voltage | Insulation Resistance | Dimensions (mm) |
|---|---|---|---|---|---|
| 1 | 20kV-2000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:45 | H:19 | L:23 | D:12 | M:5 |
| 2 | 20kV-10000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:65 | H:15 | L:19 | D:12 | M:5 |
| 3 | 20kV-18000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:80 | H:17 | L:25 | D:12 | M:5 |
| 4 | 30kV-1000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:45 | H:24 | L:32 | D:12 | M:4 |
| 5 | 30kV-2700pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:60 | H:20 | L:28 | D:12 | M:4 |
| 6 | 30kV-12000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:45 | H:19 | L:23 | D:12 | M:5 |
| 7 | 40kV-150pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:74 | H:18 | L:26 | D:12 | M:5 |
| 8 | 40kV-500pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:28 | H:33 | L:41 | D:8 | M:4 |
| 9 | 40kV-7500pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:80 | H:24 | L:29 | D:12 | M:6 |
| 10 | 40kV-10000pF | ≤0.0040 | 1.5Ur● 1min | ≥1.0 x 105MΩ | D:80 | H:22 | L:26 | D:16 | M:5 |
Insights into the finest details, the cornerstone of energy: How high-voltage doorhandle capacitors become the "heart of stability" for nondestructive testing equipment
In the field of industrial nondestructive testing, whether it's X-ray testing, ultrasonic testing, or eddy current testing, the essence is to reveal the secrets within materials through precise energy control. The starting point for all of this is often a stable, pure, high-voltage power supply system. High-voltage doorhandle capacitors are the indispensable cornerstone of this system's energy stability.
Nondestructive Testing Equipment's Stringent Requirements for High-Voltage Power Supplies
The core task of nondestructive testing equipment is to provide precise excitation for test probes (such as X-ray tubes and ultrasonic transducers). This requires high-voltage power supplies to possess:
Extremely high stability: Even slight fluctuations in the output voltage will directly reduce the signal-to-noise ratio of the test signal, resulting in false positives or missed detections.
Extremely low ripple and noise: Pure DC voltage is essential for ensuring accurate test data and clear images.
Strong shock resistance: Frequent switching and load changes in equipment can impact the power supply, requiring robust components.
The Core Functions of Doorknob Capacitors: Filtering and Energy Storage
In high-voltage power modules for nondestructive testing equipment, doorknob capacitors primarily play the key roles of DC link filtering and transient energy buffering.
Filtering: Effectively filters high-frequency ripple generated by the switching power supply, outputting a smooth, mirror-like DC high voltage, providing "clean" energy for loads such as X-ray tubes.
Energy Storage: During transient load changes (such as during X-ray tube exposure), they provide instantaneous high current, stabilize the bus voltage, and prevent voltage drops.
Our Solution: Built for Precision and Reliability
Our specially designed doorknob capacitors meet the stringent requirements of nondestructive testing, offering the following core advantages:
Excellent Voltage Stability: Utilizing highly stable Class II or Class III ceramic dielectrics, the capacitance value exhibits minimal variation under varying DC bias conditions, ensuring long-term output voltage stability.
Extremely Low Equivalent Series Resistance (ESR): A unique internal electrode design and material processing result in ultra-low ESR, effectively filtering high-frequency ripple, significantly reducing self-heating, and improving power supply efficiency.
Robust mechanical and electrical construction: The iconic "doorknob" screw terminals provide a robust mechanical connection and excellent current-carrying capacity. Epoxy resin vacuum potting ensures excellent moisture and dust resistance, making it suitable for a variety of industrial environments.
Choosing our high-voltage doorknob capacitors means choosing a robust and stable "heart" for your nondestructive testing equipment, laying a solid foundation for every accurate diagnosis.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
1976
Total Annual:
240M-270M
Employee Number:
390~450
Ecer Certification：
Verified Supplier
Xian Xiwuer Electronic & Info. Co., Ltd. is a wholly state-owned company with a registered capital of 91.46 million RMB Yuan, owning a total assets of 315 million RMBYuan, under the jurisdiction of Xi'an State-owned Assets Supervision & Management Committee. There are about 400 employees, wi... Xian Xiwuer Electronic & Info. Co., Ltd. is a wholly state-owned company with a registered capital of 91.46 million RMB Yuan, owning a total assets of 315 million RMBYuan, under the jurisdiction of Xi'an State-owned Assets Supervision & Management Committee. There are about 400 employees, wi...
Get in touch with us
Leave a Message, we will call you back quickly!