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High-Energy Self-Healing Pulse Capacitors from China - Leading Suppliers and Factory with 3.0MJ/m3 Density
General Description
To achieve the system reliability lifetime and cost goals, flair pulse capacitors were specified to be of the self-healing, metallized electrode type of construction. We are focusing on the capacitor lifetime performance of different designs during the development.
Application
Pulse capacitors are popularly used in Magnetizer Demagnetizers, medical equipment, high voltage impulse generators, high power pulse power supplies, high magnetic field high energy accelerators, thermonuclear reaction test devices, and high voltage energy storage energy systems such as intense lasers and high flux pulses.
Features
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Dielectric: Metalized self-healing film
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Metal housing, Noninductive winding cores
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High energy storage density
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Superior technical performance
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Fully-sealed case, moisture proof
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Long lifetime, high reliability
Technical Parameter
| No. | Parameter Type | Specification Details |
|---|---|---|
| 1 | Capacitance range (CN): | 1μF ～ 50000μF |
| 2 | Capacitance tolerance: | 0~5% |
| 3 | Rated voltage (UN): | 3kVdc ～ 100kVdc |
| 4 | Time constant (RC): | ≥20,000s |
| 5 | Operating temperature: | -20℃ ～ +65℃ (≥85℃ available for special design) |
| 6 | Electrodes test voltage: | 1.0UN ~1.4UN (60s, 20°C±5°C) |
| 7 | Electrode to shell test voltage: | 1.2UN ~1.5UN (60s, 20°C±5°C) |
Pulse Capacitor Specification Sheet
| Custom-made upon your request, Model: PKMJ series | ||||||
|---|---|---|---|---|---|---|
| Ref No | Rated voltage | Capacitance | Peak Current | Backswing voltage % | Inductance | Dimension |
| kV | μF | kA | nH | mm | ||
| 1 | 3.5 | 20400 | 100 | 10 | 200 | 350×268×555 |
| 2 | 5 | 1000 | 35 | 10 | 300 | 315×130×380 |
| 3 | 5.5 | 4000 | 100 | 10 | 300 | 425×258×550 |
| 4 | 6.4 | 16000 | 100 | 10 | 300 | 450×353×1030 |
| 5 | 6.5 | 7500 | 70 | 10 | 150 | 406×305×725 |
| 6 | 8 | 75 | 9.5 | 90 | 300 | 256×70×280 |
| 7 | 8 | 320 | 28 | 80 | 100 | 256×256×320 |
| 8 | 10 | 500 | 35 | 20 | 200 | 280×260×360 |
| 9 | 10 | 500 | 35 | 20 | 200 | 290×256×420 |
| 10 | 10 | 500 | 30 | 20 | 200 | 278×187×295 |
| 11 | 10 | 1000 | 75 | 10 | 100 | 482×258×485 |
| 12 | 11 | 830 | 65 | 10 | 60 | 439×417×275 |
| 13 | 11 | 830 | 60 | 10 | 60 | 460×258×353 |
| 14 | 11 | 1000 | 70 | 10 | 60 | 460×258×425 |
| 15 | 15 | 600 | 75 | 20 | 165 | 432×406×550 |
| 16 | 20 | 70 | 10 | 20 | 300 | 405×205×320 |
| 17 | 20 | 140 | 20 | 20 | 150 | 390×258×500 |
| 18 | 25 | 50 | 8 | 10 | 300 | 375×140×590 |
| 19 | 25 | 55 | 6 | 10 | 300 | 340×134×730 |
| 20 | 25 | 75 | 40 | 60 | 120 | 535×260×480 |
| 21 | 25 | 110 | 10 | 10 | 240 | 429×258×595 |
| 22 | 25 | 110 | 15 | 10 | 150 | 364×258×457 |
| 23 | 25 | 150 | 20 | 10 | 200 | 410×385×575 |
| 24 | 25 | 290 | 35 | 10 | 150 | 505×260×820 |
| 25 | 25 | 310 | 40 | 10 | 150 | 450×390×680 |
| 26 | 30 | 100 | 100 | 80 | 100 | 500×390×395 |
| 27 | 30 | 130 | 20 | 10 | 130 | 356×385×533 |
| 28 | 30 | 175 | 40 | 80 | 300 | 635×265×720 |
| 29 | 40 | 8 | 60 | 100 | 50 | 385×280×525 |
| 30 | 50 | 40 | 15 | 20 | 300 | 574×260×645 |
Frequently Asked Questions (FAQ)
What are the primary applications of these pulse capacitors?
They are widely used in Magnetizer Demagnetizers, medical equipment, high voltage impulse generators, high power pulse power supplies, high magnetic field high energy accelerators, thermonuclear reaction test devices, and high voltage energy storage systems like intense lasers.
What makes the self-healing metallized electrode construction beneficial?
The self-healing design enables the capacitor to automatically clear internal breakdowns, preventing permanent short circuits. This significantly improves overall system reliability, safety, and operational lifetime.
Can these pulse capacitors be custom-made?
Yes, we specialize in custom manufacturing for the PKMJ series. We can adjust the rated voltage, capacitance values, peak current, and dimensions to meet your specific technical requirements.
What is the standard operating temperature range?
The standard operating temperature range is -20℃ to +65℃. However, custom designs supporting temperatures of ≥85℃ are available upon request.
What are the key structural features of the PKMJ series?
The PKMJ series features non-inductive winding cores, a robust metal housing, high energy storage density, and a fully-sealed, moisture-proof case designed for high reliability.