Shenzhen Dowis Electronics Co.,Ltd
| Payment Terms | T/T |
| Delivery Time | 6-8Weeks |
| Packaging Details | Carton Box |
| Storage Temperature | -40-85˚C |
| Environmental Temperature | -40--70˚C |
| Operating Temperature | 130˚C MAX |
| Relative Humidity | 5%-95% |
| Height | 44mm |
| Inductance Value | 1KHz,0.3V |
| Brand Name | Dowis |
| Model Number | EE42，EE Series |
| Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | T/T | Delivery Time | 6-8Weeks |
| Packaging Details | Carton Box | Storage Temperature | -40-85˚C |
| Environmental Temperature | -40--70˚C | Operating Temperature | 130˚C MAX |
| Relative Humidity | 5%-95% | Height | 44mm |
| Inductance Value | 1KHz,0.3V | Brand Name | Dowis |
| Model Number | EE42，EE Series | Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN | ||
| High Light | EE42 High Power Frequency Transformer ，horizontal transformer 0.5V To 5000V ，EE42 Transformer 1W To 3000W | ||
Horizontal Type EE42 Series High-Frequency Transformer Customized DW5841
We have ER series, EE series, EFD series, EQ series, PQ series, POT series transformers, they are used for switching power supply,main power transformer. We have qualitative products as well as professional sales and technical team, so we are able to provide customers with good products, excellent technical support and perfect after-sales service.
1. Drawing
2. Environmental Conditions
1) Storage Temperature: -40-85˚C；
2) Environmental Temperature: -40--70˚C;
3) Operating Temperature: 130˚C MAX;
4) Relative Humidity: 5%-95%;
5) Long-Term Durability Test.
3. Electrical Specification
| Item | Unit | Test Lead | Test Condition | MIN | NOR | MAX |
| Inductance Value | mH | A-B | 1KHz,0.3V, Ser | 1.7 | 2.4 | 3.1 |
| Leakage Inductance | µH | A-B | 1KHz,0.3V, Ser (Other Winding Short Circuit) | / | / | 2.5 |
| Q Value | / | A-B | 100KHz,0.3V, Ser | 80 | / | / |
| Dielectric Strength | mA | N1——N2,N3 | 3750Vac,60s | / | / | 1 |
| mA | N1——Core | 2150Vac,60s | / | / | 1 | |
| mA | N2,N3——Core | 2150Vac,60s | / | / | 1 | |
| Direct Current Resistance | mΩ | A-B | 25℃ | / | / | 18.5 |
| mΩ | E-D1 | 25℃ | / | / | 5 | |
| mΩ | D2-C | 25℃ | / | / | 5 | |
| Insulation Resistance | MΩ | Np-Ns | 500Vdc | 100 | / | / |
4. A single magnetic core wrapping process of the bottom side by the flying line A and B bottom side
2 layers of 27mm wide tape are used to wrap the magnetic core at the bottom of the flying line A and B. Then the tape beyond the edge of the magnetic core is folded inside to cover the whole edge of the magnetic core. The tape at the corner shall not be damaged
5. Operation Flow Diagram
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.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2008
Total Annual:
13,000,000.00-14,800,000.00
Employee Number:
480~500
Ecer Certification：
Active Member
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 cert... 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 cert...
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