Nippon Chemi-Con Added to MHK Series SMD Type Aluminum Electrolytic Capacitors with a Smaller Size
Nippon Chemi-Con has now added a smaller sized (φ5×8.0 L mm) surface mounted aluminum electrolytic capacitors to the "MHK Series." This product would help to make electronic equipment for use in automobile engine rooms smaller.
With the increased use of electronic controls for automobiles, the ECUs (Electronic Control Units) have been moving from the passenger compartment to the engine room.
Temperatures in engine rooms can range from a high range caused by the heat radiated from engines during operation and a low range when parked because of exposure to outside temperatures. Therefore, capacitors must be capable of performing stably at low temperatures down to -40℃ and high temperatures around +125℃. In addition, ECU units are growing smaller, so they must not only perform reliably within a wide temperature range, but they must also be as small as possible.
Nippon Chemi-Con developed the MHK series to meet this demand for a highly reliable product that can cover the -40 to +125℃ temperature range. In order to help make ECUs even more space-saving and improve their reliability, the company has developed a smaller product to add to the series φ5×8.0 L mm, and its product volume has been reduced by about 40 percent.
Technological Points
The development points for this product were as follows:
- By adopting a high-capacity foil and optimizing the aluminum foil of the opposite electrode area, Nippon Chemi-Con was able to ensure capacitance equivalent to the previous product with a smaller form factor.
- The company adopted a sealing material with excellent sealing performance and an electrolytic solution with composition and designed the product with consideration for the ESR value at a lower temperature after endurance.
Taking the environment into consideration, the product is compatible with lead-free soldering.
Sample Availability and Mass Production Schedule
Samples: August 2015
Mass production: February 2016
Production Location
Chemi-Con Miyagi Corporation
Main Specifications
- Category temperature range: -40℃ to +125°C
- Endurance: 2,000 hours at 125℃
Product added at this time (Product size: φ5 × 8.0 Lmm)
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