Energy storage capacitors
Dry type, Metallized film, Energy density up to 1J/cc
Series ESDS
Yuhchang: Power Storage Capacitors Expert
Yuhchang's energy storage capacitors, part of the ESD series, are at the forefront of power electronics innovation. Designed specifically for discharge applications, these capacitors feature low losses and utilize self-healing metallized polypropylene film with advanced dry technology. This innovative design results in a high dielectric strength and an impressive energy density of up to 1J/cc, making them ideal for applications demanding quick energy discharge.
Features and Advantages of Energy Storage Capacitor
Yuhchang's energy storage capacitors stand out due to their superior construction and performance. The special composition of the polymeric dielectric ensures high dielectric strength, while the metalized film design allows for a self-healing feature, enhancing the capacitor's longevity and reliability. The capacitors are built with low self-inductance connection terminals, optimizing their performance in high-frequency applications. Moreover, with a lifespan expectancy of over 100,000 hours and a low failure rate of less than 100FIT, these capacitors promise durability and efficiency.
Versatile Power Storage Capacitors for High-Power Applications
Yuhchang's energy storage capacitors are versatile and can be utilized across a wide range of applications. They are ideal for use in power electronics, renewable energy systems, and high-voltage power supplies. Additionally, they are suitable for use in industrial equipment that requires rapid energy release, such as laser systems and pulse power applications. With rated DC voltages ranging from 900V to 40kV, these capacitors can meet the demands of various high-power applications.
Why Choose Yuhchang?
Our capacitors comply with international standards like IEC61071 and IEC61881, ensuring top-notch performance and safety. Moreover, the capacitors are housed in non-magnetic stainless steel cases and filled with RoHS-compliant epoxy resin, reflecting Yuhchang's commitment to environmental responsibility. Whether for enhancing the performance of power electronics or ensuring reliable energy storage, Yuhchang's storage capacitors deliver exceptional value and performance. Contact us now!
Characteristics
| Standard | IEC61071, IEC 61881 |
| Capacitance tolerance | ±10％ (optional ±5％) |
| Rated DC Voltage | 900V to 40kV |
| Dielectric | Polypropylene |
| Tangent of the loss angle | < 0.1% |
| Self-inductance (ESL) | < 100nH |
| Test voltage between terminals | 1.5xUn / 10s at 25±5°C |
| Test voltage between terminals and case | 2xUn+1000VAC / 60s at 60Hz 25±5°C |
| Operating temperature | -40°C / +70°C (optional 85℃) |
| Storage temperature | -40°C / +85°C |
| Case | Rectangular non-magnetic stainless steel |
| Filling material | Epoxy resin (RoHS complied) |
| Failure rate | < 100FIT |
| Lifetime Expectancy | > 100000h |
| Cooling method | Natural |
Reference Dimensions
Fig-1
Fig-2
Fig-3
Energy storage capacitors (Oil type)
Series ESAS/ESBS/ESCS/ESFS
General
The capacitors are specifically designed for discharge applications.The capacitor elements are made by following optional technologies:
Series ESAS: Paper dielectric + Al Foil + Castor oil
Series ESBS: Metallized polypropylene film + Vegetable oil
Series ESCS: Polypropylene film + Al Foil + Vegetable oil
Series ESFS: Polypropylene film + Al Foil + PXE oil
Characteristics
| Standard | IEC 61071 |
| Capacitance tolerance | ±10％ (optional ±5％) |
| Rated DC Voltage | up to 50kV |
| Dielectric | Paper or Polypropylene film |
| Self-inductance (ESL) | < 100nH |
| Test voltage between terminals | 1.25xUn / 10s at 25±5°C |
| Test voltage between terminals and case | 1.5xUn VAC / 60s at 60Hz 25±5°C |
| Operating temperature | -40°C / +70°C (optional 85℃) |
| Storage temperature | -40°C / +85°C |
| Case | Rectangular non-magnetic stainless steel |
| Filling material | according the design "Series" |
| Cooling method | Natural |
Specification and Dimensions
| Un DC | uF | Type | L | W | H | Ref. Figures | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 5000 | 4000 | ESAS | 420 | 340 | 880 | Fig-3 | 210 |
| 44000 | 52 | ESAS | 405 | 335 | 750 | Fig-4 | 151 |
| 900 | 4000 | ESBS | 340 | 125 | 215 | Fig-1 or -2 | 11.1 |
| 900 | 24000 | ESBS | 340 | 175 | 580 | Fig-1 or -2 | 40.4 |
| 2000 | 1000 | ESBS | 340 | 125 | 270 | Fig-1 or -2 | 14.0 |
| 2000 | 5000 | ESBS | 340 | 175 | 700 | Fig-1 or -2 | 49.4 |
| 5000 | 150 | ESBS | 340 | 125 | 285 | Fig-3 | 14.8 |
| 5000 | 750 | ESBS | 340 | 175 | 650 | Fig-3 | 46.3 |
| 10000 | 300 | ESBS | 530 | 185 | 660 | Fig-3 | 77.85 |
| 10000 | 2000 | ESBS | 360 | 360 | 830 | Fig-3 | 128 |
| 20000 | 60 | ESBS | 530 | 185 | 690 | Fig-3 | 82.3 |
| 40000 | 10 | ESBS | 530 | 185 | 570 | Fig-4 | 66.9 |
| 44000 | 52 | ESBS | 405 | 335 | 750 | Fig-4 | 132 |
| 12000 | 50 | ESCS | 350 | 250 | 480 | Fig-3 | 64 |
| 30000 | 1 | ESCS | 290 | 290 | 220 | Fig-4 | 34 |
| 15000 | 100 | ESCS | 420 | 220 | 370 | Fig-3 | 48 |
| 15000 | 178 | ESCS | 420 | 370 | 370 | Fig-3 | 80 |
| 7000 | 10 | ESFS | 140 | 110 | 220 | Fig-2 | 7.2 |
| 10000 | 50 | ESFS | 290 | 240 | 340 | Fig-2 | 33 |
| 50000 | 2 | ESFS | 300 | 290 | 220 | Fig-4 | 58 |
Reference Dimensions
Fig-1
Fig-2
Fig-3
