• Materials:
  • Core: cold grain silicon sheets inserted by machine, annealed by advanced vacuum annealing furnaces to improve electronic data
  • Bobbin: excellent anti-combustion
• Wire materials:
  • Copper, aluminum and clad copper
  • Size of transformer total in aluminum is larger than in copper
  • Aluminum instead of copper save: 13 to 35%/pcg
• Capacity: 20 to 5,000VA
• Phase: single
• Input: AC power with voltages of various countries
• Output: AC current or voltage according to customer's request
• Frequency: 50 to 60Hz
• Voltage regulation: 12 to 3%
• Standards: GB/T15290-94, GB/19212-2006 and GB2828-2829-87
• Insulation class: B, 130°C or E 120°C
• Temperature rise: ≤85°C
• Advantages:
  • Efficiency
  • Smaller in size
  • Less mechanical hum
  • Low exterior magnetic field
  • Low off load losses
  • Single mounting point
• Operating environment:
  • Ambient temperature cannot be more than +40°C
  • Mounting location cannot exceed altitude of 2,000m
  • Relative humidity: maximum 90%
  • Site not attack by rain and snow
  • Medium no explosion danger, corroding metal and electrical breakdown
• Testing:
  • No-load test, current, voltage and loss
  • Load test, voltage and temperature-rise
  • Inductive voltage test
  • DC resistance test
  • Safety test
• Widely used in electronic equipment of higher technical such as computer, medical equipment, telecommunications and lighting