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The full life cycle value of high-voltage door handle capacitors in coupling devices
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The full life cycle value of high-voltage door handle capacitors in coupling devices
Drawing:![]()
Parameters:
| 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 | |||
In industrial and scientific fields like power communications and condition monitoring, high-voltage coupling devices are critical nodes for ensuring data connectivity and system controllability. For equipment manufacturers and system integrators, purchasing decisions are shifting from a single "initial component cost" to a more comprehensive "total cost of ownership" analysis. As the core of the coupling device, the value of high-voltage door handle capacitors goes far beyond their unit price, reflecting their profound impact on system performance, long-term reliability, and operational costs.
Case Study: Power Line Carrier Communication System
A communications equipment manufacturer used our customized high-voltage door handle capacitors in the coupling device of its next-generation distribution automation system. Despite a slight increase in the cost of each capacitor, the following were achieved:
The device's failure rate under harsh operating conditions decreased by over 80% over three years.
Thanks to its excellent temperature stability and low loss, the attenuation fluctuation range of the coupling channel was reduced by 60%, significantly improving communication link quality.
Taking into account the reduced after-sales maintenance costs and improved market reputation, this product series delivered a significant return on investment for the customer.
We sell more than just capacitors; we offer a commitment to reliability. We are committed to being your trusted partner, working together to build a stronger and smarter energy and information network.

