Components- electronic - Import export

We manufacture fundamental, core parts of the IT industry. Techwell now determins not only its products' quality but the industry's performance. Technology we posess is essential for the success of all IT companies and manufacturers. Building on our leading technology and R&D, Techwell is continuously improving its quality, not losing its focus on profits.

Overview VT series VRLA (Valve Regulated Lead Acid) specially designed for cyclic and standby use, where a weight, available space and durability count.VRLA stands for valve-regulated lead-acid and is the designation for low-maintenance lead-acid rechargeable batteries. Features - Capacity range up to 250AH - Voltage 2V, 6V, 12V - Low self-discharge rate : less than 3% per month - High sealed efficiency : more than 98% - Wide operation temperature : -20°C to 45°C - Design life expectancy: minimum 10 years float charging condition at operating temperature of 30°C - Long design life and good discharge & charge performance - Plate: Positive and Negative grid plate use Pb-Ca alloy - Container: ABS resin for durability against impact and shock proof - Compliance IEC 61056, Approved ISO 9001, ISO 14001, UL, CE

Introduction - Temperature : -55 ~ 105℃ - Voltage : 16 ~ 80V - Capacitance : 10 ~ 470 ㎌ - Life Time : 10,000 hours Features - High Ripple, Long Life Applications - For automotive

Introduction - Temperature : -25 ~ 85℃ - Voltage : 400 ~ 450 V - Capacitance : 1000 ~ 10000 ㎌ - Life Time : 5,000 hours Features - high Ripple Applications - For inverter circiuts

Introduction - Temperature : -40 ~ 105℃ - Voltage : 400 ~ 450 V - Capacitance : 1.0 ~ 150 ㎌ - Life Time : 5,000 hours Features - Ultra Low Imp. Applications - For SMPS, display and Control board

Introduction - Temperature : -40 ~ 135℃ - Voltage : 10 ~ 35 V - Capacitance : 220 ~ 4700 ㎌ - Life Time : 3,000 hours Features - High Temp.(135℃) Applications - For LED lighting applications

Introduction - Temperature : -25 ~ 85℃ - Voltage : 420 ~ 450 V - Capacitance : 47 ~ 150 ㎌ - Life Time : 8,000 hours Features - Ultra Low Imp. Applications - For SMPS, display and contral board

Introduction - Temperature : -55 ~ 105℃ - Voltage : 6.3 ~ 50V - Capacitance : 100 ~ 2,200 ㎌ - Life Time : 2,000 hours Features - Extremely Low Imp. Applications - For Surface mounting on high density PC board

Introduction - Temperature : -40 ~ 150℃ - Voltage : 10 ~ 100 V - Capacitance : 33 ~ 3300 ㎌ - Life Time : 1,000 hours Features - High Temp. (150℃) Applications - Suited for automobile applications

Introduction - Temperature : -40 ~ 125℃ - Voltage : 400 ~ 500 V - Capacitance : 3.3 ~ 150 ㎌ - Life Time : 3,000 hours Features - Low ESR for 125℃ use Applications - For SMPS, display and control board

Introduction - Temperature : -55 ~ 105℃ - Voltage : 10 ~ 35 V - Capacitance : 100 ~ 4700 ㎌ - Life Time : 20,000 hours Features - Long Life (20,000) Applications - For LED lighting applications

Introduction - Temperature : -55 ~ 150℃ - Voltage : 25 ~ 63V - Capacitance : 15 ~ 270 ㎌ - Life Time : 1,000 hours Features - High Temperature Applications - For automotive

Introduction - Temperature : -55 ~ 125℃ - Voltage : 16 ~ 80V - Capacitance : 10 ~ 470 ㎌ - Life Time : 4,000 hours Features - High Temperature Applications - For automotive

Introduction - Temperature : -55 ~ 150℃ - Voltage : 25 ~ 63V - Capacitance : 15 ~ 270 ㎌ - Life Time : 1,000 hours Features - High Temperature Applications - For automotive

Introduction • Hi-CAP is an electrolytic capacitor that uses a highly electric conductive polymer as it’s electrolyte. • Hi-CAP has excellent temperature and load life characteristics due to adoption of stable polymer in high temperature. • Compared to other electrolytic capacitors, the Hi-CAP is a low impedance capacitor suitable for high frequency making it ideal for digital circuit. Features • Low impedance at high frequency. (10kHz~10MHz) • High ripple current due to reduced ESR • Excellent noise-absorbent characteristics. • Very stable capacitance, impedance and ESR against temperature Applications • PC, Smart Phone, TV, Notebook, Automotive, etc.

Introduction • SMD type is designed to be mounted on the board surface. • Mounted by high temperature reflow soldering method (exclusive parts applied) Features • Chip type with higher capacitance in large case sizes • Designed for surface mounting on high density PC board • Compatible to SMT equipment Applications • Automotive • PC, Notebook • Smart Phone, Camera • LED light

Introduction • SNAP-IN Type is a component that is mounted by standing the terminal shape on the PCB, so it is easy to insert and has a great advantage in the size of the voltage and capacity of the product. • SCREW TYPE products are capacitors that are frequently used for large capacity or industrial use. Features • High reliability and long life (20,000hrs) • High voltage (600WV) • Suitable in home-appliance power • Easy-mountable terminal • Bolt-shaped terminal • Suitable in industrial power and Inverter Applications • Household appliances, LED • Desktop, notebook • Industrial inverter • New and renewable energy market such as photovoltaic

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 • 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 • 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