Nippon Chemi-Con Developed RHA Series Screw Terminal Type Aluminum Electrolytic Capacitors Guaranteeing 5000 hours Operation at 85℃
Nippon Chemi-Con has developed the RHA Series of ultra high voltage 650V Screw Terminal Type Aluminum Electrolytic Capacitors with durability of 5000 hours of operation at 85℃. This is the first time in the world that aluminum electrolytic capacitors with a rated voltage of 650V have been mass produced.
Screw terminal type aluminum electrolytic capacitors are used as smoothing capacitors in inverter systems that are indispensable for obtaining high efficiencies in industrial equipment such as machine tools, industrial robots, and servo motors.
Conventionally, the highest rated voltage of screw terminal-type aluminum electrolytic capacitors was 600 to 630V in the case of mass produced models. However, the RHA Series developed this time has succeeded in increasing the rated voltage to up to 650V.
By using ultra high voltage aluminum electrolytic capacitors, it becomes possible to reduce the number of series-connected capacitors, enabling equipment downsizing. In addition to reducing the number of balance resistors required for series connection, there is the advantage that the chassis can be shared.
Technical Advantages
For development, in order to achieve high capacitance in the ultra high voltage region, Nippon Chemi-Con used an original, newly designed aluminum electrode foil. The company also used original technology for higher voltage for the electrolyte and increased the insulation breakdown voltage to more than 800V. In addition, a new special structure was adopted in order to achieve high voltage and high reliability at the same time.
Mass Production Schedule
Mass production of the RHA Series started this July.
Specifications
Category temperature range: -25℃～+85℃
Endurance: 5000 hours at 85℃
Rated voltage range: 500～650V
Capacitance range: 1000～15000μF
Case size: φ50×95～φ100×250Lmm
Rated ripple current: 5.4～39.8Arms
Features:
315V-2S VS 600V-1S Performance Comparison
Product Appearance
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