Active Member
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[China]
Address: B Blding,Huangpu Runhe Industrial Park, Zhentou Road,Huangpu Community, Shajing street, Bao'An District Shenzhen P.R.C
Contact name:Lau
Shenzhen Dowis Electronics Co.,Ltd |
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EFD2525 High Frequency Transformer Manufacture Customized DW6215
High Frequency Transformer APPLICATIONS:
Applicable to light up cold cathodes fluorescent lamp of display
Such as PCB, DSC, PDA, Scanner, Car Navigation, Notebook PC, LCD
monitor and LCD TV
VCRS, Copy machine , Audio equipment , Game machines
TV sets, Microcomputer equipment, printers, Terminals
communications control equipment
Switching power supply, chargers, alarm system
UPS, VCD/DVD players, audio and visual equipment
OA machines, inverters, chargers, alarm system
1. Drawing (Unit: mm)
2. Environmental Conditions
3. Electrical Specification
| Item | Unit | Test Lead | Test Condition | MIN | NOR | MAX |
| Inductance Value | uH | 7-8 | 100KHz,0.3V, Ser | 110 | 120 | 130 |
| Leakage Inductance | uH | 7-8 | 100KHz,0.3V, Ser (Other Winding Short Circuit) | / | / | 8 |
| Q Value | / | 7-8 | 100KHz,0.3V, Ser | 100 | / | / |
| Dielectric Strength | mA | N4—N1,N2,N3,N5,N6 | 3750Vac,60s | / | / | 1 |
| mA | N4—Core | 3750Vac,60s | / | / | 1 | |
| mA | N1,N2—N3,N5,N6 | 500Vac,60s | / | / | 1 | |
| mA | N1,N2,N3,N5,N6—Core | 500Vac,60s | / | / | 1 | |
| Direct Current Resistance | mΩ | 7-8 | 25℃ | / | / | 85 |
| mΩ | 9-10 | 25℃ | / | / | 50 | |
| mΩ | 6-5 | 25℃ | / | / | 115 | |
| mΩ | 14-13 | 25℃ | / | / | 105 | |
| mΩ | 1-2 | 25℃ | / | / | 90 | |
| mΩ | 3-4 | 25℃ | / | / | 115 | |
| Insulation Resistance | MΩ | Np-Ns | 500Vdc | 100 | / | / |
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.
