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20kV-2000pF 20kV-10000pF 20kV-18000pF High Voltage Doorknob Capacitor for PLC Coupling Systems

  • 20kV-2000pF 20kV-10000pF 20kV-18000pF High Voltage Doorknob Capacitor for PLC Coupling Systems
  • 20kV-2000pF 20kV-10000pF 20kV-18000pF High Voltage Doorknob Capacitor for PLC Coupling Systems
Place of Origin XIAN, CHINA
Brand Name XIWUER
Certification ISO9001,ISO14001,ISO45001
Minimum Order Quantity 1pcs
Price Negotiable
Packaging Details Carton
Delivery Time 5-7days
Payment Terms L/C,T/T
Supply Ability 4,000,000 pcs a year

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Product Details
Dissipation ≦0.0040 Withstanding Voltage 1.5Ur● 1min
Insulation Resistance ≧1.0×105MΩ
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20kV-2000pF High Voltage Doorknob Capacitor

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20kV-10000pF PLC Coupling Capacitor

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20kV-18000pF HV Ceramic Capacitor
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Product Description
High-Voltage Door Handle Capacitors for PLC Coupling Systems
High-voltage power line communication coupling systems are essential equipment for implementing power line carrier communications. These systems efficiently couple high-frequency communication signals while safely isolating the power frequency high voltage.
20kV-2000pF 20kV-10000pF 20kV-18000pF High Voltage Doorknob Capacitor for PLC Coupling Systems 0
Technical Specifications
No. Specification Dissipation Withstanding voltage Insulation resistance Dimension(mm)
1 20kV-2000pF








≦0.0040








1.5Ur● 1min








≧1.0×105MΩ

 D H L D M
2 20kV-10000pF 45 19 23 12 5
3 20kV-18000pF 65 15 19 12 5
4 30kV-1000pF 80 17 25 12 5
5 30kV-2700pF 45 24 32 12 4
6 30kV-12000pF 60 20 28 12 4
7 40kV-150pF 20 33 41 8 4
8 40kV-500pF 28 33 41 8 4
9 40kV-7500pF 80 24 29 12 6
10 40kV-10000pF 80 22 26 16 5
11 50kV-1000pF 50 30 34 12 4
12 50kV-1000pF 32 27 31 16 5
13 50kV-5600pF 80 31 35 16 5
14 60kV-1500pF 50 31 34 12 5
15 60kV-3000pF 65 32 35 16 5
16 100kV-500pF 50 54 58 12 5
17 100kV-2000pF 51 32 35 16 5
18 Insulator type 100kV-1500pF 68 36 40 16 5
19 150kV-820pF 65 95 100 12 5
20 200kV-600pF 50 90 94 16 5
Key Features and Benefits
In PLC systems, high-voltage doorknob capacitors serve as indispensable "frequency selectors" and "insulation barriers" in the coupling circuit, addressing two core challenges:
  • Withstand power line voltages from several thousand to tens of thousands of volts to ensure absolute safety for back-end communication equipment
  • Achieve low-loss signal transmission within the carrier frequency range (typically 40-500kHz)
Our high-voltage door handle capacitors feature specialized ceramic dielectric and vacuum epoxy potting process that ensures:
  • Stable insulation performance across voltage levels of 35-500kV
  • Low equivalent series resistance (ESR) and low inductance (ESL) for excellent frequency response
  • Exceptional temperature stability (±2% capacitance change from -40°C to +85°C)
  • Long-term reliability in harsh environments
As a core component in the coupling circuit, our high-voltage door handle capacitors fulfill the dual duties of high-voltage isolation and high-frequency coupling, ensuring stable operation of PLC systems in various conditions.
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