SAMWHA ELECTRIC

Introduction • Supercapacitor, which uses activated carbon as electrode material, is called electric double layer capacitor (EDLC). • EDLC is a next generation electric energy storage device with excellent cycle characteristics. Features • High power • Excellent charging and discharging efficiency • Low internal resistance • Excellent temperature characteristics (-25 ~ + 70 ℃, -40 ~ + 65 ℃, -40 ~ + 85 ℃) • Environmentally friendly • No maintenance cost Applications • Transportation -Auxiliary power for the regenerative braking of railroads -Peak power compensation for heavy machinery • Automotive -Auxiliary power for the regenerative braking of HEV • New & Renewable Energy -Wind power pitch control system power compensation device (Emergency power for wind power generation) -Energy storage for solar power generation system • UPS (uninterruptible power supply) -Instantaneous power compensation of precise devices • Military and aerospace devices

Introduction • Single cell serial connection or parallel connection Features • Low Internal Resistance • Balancing and Overvoltage Protection of Individual Cell • Efficient Heat Transfer to Outside • Compliant with RoHS Requirement Applications • Transportation -Auxiliary power for the regenerative braking of railroads -Peak power compensation for heavy machinery • Automotive -Auxiliary power for the regenerative braking of HEV • New & Renewable Energy -Wind power pitch control system power compensation device (Emergency power for wind power generation) -Energy storage for solar power generation system • UPS (uninterruptible power supply) -Instantaneous power compensation of precise devices • Military and aerospace devices -Highly reliable power for military and aerospace fields

Introduction • Aluminum Electrolytic Capacitor As an electrolyte, a capacitor is a mixture of a conductive polymer and an electrolyte. • Conductive polymer hybrid aluminum electrolytic capacitor capable of dielectric self-recovery. Features • Excellent ripple characteristics • Very low ESR • Excellent low temperature characteristics (-55 ℃) • Resolving the risk of short (dielectric self-restore function) Applications • Automotive -Engine Control Unit -Auxiliary power for Drive Video Record System -Electric pump controller -DC-DC converter • Communication equipment -5G repeaters • Household appliances -Vacuum cleaner (BLDC motor) -TV SMPS • Medical devices

Introduction • Radial type has Lead Wire for the terminal and small size. • It is used for wide range of products. Capacitance is lower than Block type but it has excellent characteristics of impedance. • Lead can be formed according to customer's requirement. Features • Slimness, Miniaturization • High reliability and long life (20,000hrs) • High ripple current at high frequency • Low impedance products • Customized products for variety market Applications • PC, Notebook • Smar Phone, Camera • Home application, LED • Automotive