EER2834 High-Frequency Transformer Manufacturer Customized EE Series DW3342

Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system certification, the product has passed the "UL""CQC" and other safety certifications. The products are widely used in communication equipment, new energy vehicles, industrial control equipment, high-power LED drives, and other market areas. The industry has high visibility. In addition to the domestic market, but also exported to many countries in Europe and the United States.

In order to further expand production capacity, it has set up a special test area construction area in Zhaoqing YueGui cooperation in 2018 of 14000 square meters of manufacturing center named ZhaoQing Sheng Xiang electronic technology co., Ltd. Its management technical team has rich experience in cooperating with customers from well-known domestic enterprises and overseas. The design of products can fully follow customer’s needs and services with a good quality control system, and it has been recognized by many famous enterprises as the core suppliers. We look forward to cooperating with you.

1. Drawing (Unit:mm)

2. Environmental Conditions

• Storage Temperature: -40--70˚C；
• Environmental Temperature: 65˚C;
• Operating Temperature: 110˚C;
• Relative Humidity:10%-90%;
• Long term durability test

3. Electrical Characteristics
 

• Inductance Value:L_N1=220—250uH(Test Condition:1KHz,0.3V)；
• Q Value:N₁>40(at:100KHz,0.3V)；
• Leakage Value(LEAKAGE INDUCTANCE):LL_N1≤25uH (at:1KHz,0.3V,other winding short circuit)；
• Resistance Strength:

N1,N2—-----—N3,N4 @ 3750Vac Leakage Value≤1mA/1Min

        N1,N2---——Core @ 1900Vac Leakage Value≤1mA/1Min

        N3,N4---------Core @ 1900Vac Leakage Value≤1mA/1Min

• Winding Resistance(25℃):

N1:≤300mΩ N2A:≤100mΩ N2B:≤150mΩ N3:≤40mΩ N4:≤60mΩ