We assure every Topo capacitor is 100% tested before delivery to your destinations. Especially for the dielectric voltage withstanding test, it is implemented seriously throughout each production. With all stringent standards, our capacitors are safe and efficient to meet the requirements at your markets.
Simply Good Quality
Meet with Certification Requirements
Free Sample for Testing
An adequate amount of free samples could be offered for your testing of the important electrical parameters. From these aspects those prove that our products are of high quality and can stand the tests.
Rest assured and get your samples right away!
ECO Friendly and Full Material
Speaking of quality, green material is the very start. Topo only utilizes the materials friendly to the environment with a social responsibility perspective. Besides, great quality films make excellent capacitors. We never cut corners on materials, but apply full materials for each parts.
Quality-focused Manufacturing Process
Topo adopts a complete range of advanced automatic and semi-auto equipment in our capacitor factory, meeting the testing and certification requirements concerning high safety.
01
Film Slitting
Slitting the metallized mother rolls.
02
Winding
High-Speed winding metallized film.
03
Metal Spraying
Spraying gold to zinc wire cores.
04
Heating and Drying
1 hour in 80℃, 7 hours in 95-100℃.
05
Voltage Withstanding Test
Voltage testing dielectric property.
06
Terminal Welding
Welding terminals on the end contact.
07
Coating / Lacquering
Filling insulating fluid for protection.
08
2nd Drying
Another heating for high safety.
09
Electrical End Test
Capacitance, dissipation, impedance test.
10
Label Printing
Printing rating labels on capacitors.
11
Packaging
Careful packaging with full protection.