Nippon Chemi-Con Developed Radial Lead Type Aluminum Electrolytic Capacitors KWB Series with 20% Higher Capacitance
Nippon Chemi-Con has developed Radial Lead Type Aluminum Electrolytic Capacitors KWB Series for primary-side filtering of digital home appliances and general-purpose power supplies.
Power supplies and adapters for digital home appliances have become more compact. As a result, capacitors with higher capacitance and a smaller form are required for such applications.
In response to this requirement, Nippon Chemi-Con commercialized the KWA Series which has been well received. However, as power supply devices continue to become more compact, there is a growing need for even smaller products. Nippon Chemi-Con is working to downsize products as the continuing subject of development.
The KWB Series covers a rated voltage of 400 to 450V which is optimal for the primary side. By using aluminum electrode foil with a larger surface area developed in-house, Nippon Chemi-Con has improved the capacitance by 20% compared to the existing KWA Series.
When compared to KWA Series products of the same capacitance, the height of the product can be reduced by up to 5mm, achieving a 17% reduction in volume.
[Samples and Mass Production]
The KWB Series was available as samples from June 2018, and mass production started in October 2018.
[Main Specifications]
-Category temperature range: -40℃ to +105℃
-Endurance: guarantees 5,000 hours at 105℃
-Rated voltage range: 400 to 450V
-Capacitance range: 33 to 150µF
-Case size:
φ10 x 30 to 45 L [mm]
φ12.5 x 30 to 45 L [mm]
φ14.5 x 31.5 to 45 L [mm]
φ16 x 31.5 to 35 L [mm]
φ18 x 31.5 L [mm]
[Production Sites]
Chemi-Con Iwate Corp. (a wholly owned subsidiary of Nippon Chemi-Con) Chemi-Con (Wuxi) Co., Ltd. (a wholly owned subsidiary of Nippon Chemi-Con)
[Product Features]
Capacitance comparison of 450V products
[Product Appearance]
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