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Shenzhen Dowis Electronics Co.,Ltd
5 Years
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| Brand Name : | Dowis |
| Model Number : | EE4215, EE Series |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
EE4215 High-Frequency Transformer Manufacturer Customized DW3899A
Feature
EE Transformer applied in the switching power supply,main power transformer
EF Transformer applied in the switching power supply,main power transformer
EFD Transformer Auxiliary power transformer,main power transformer,choke coils
EPC Transformer Auxiliary power transformer,main power transformer
PQ Transformer applied in the linear filter,choke,pulse transformer,drive transformer
UU Transformer varieties of switching power supply transformer,coke coils etc.
EC/EER/ER Transformer applied in the linear filter ,current tranformer,smoothing choke coil,drive transformer, switching power transformers and chokes.
RM Transformer filters, inductors and transformers for telecommunication other electronic equipment
POT Transformer filters for telecommunication equipment,and various kinds of inductors and transformers
DR Core Choke coils, Peaking coils, Linearity coils, Alarm coils, Power choke coils, Fixed choke coils, Filtering coils,etc.
EI Transformer Various kinds of transformers and chokes.
TOROIDAL core Pulse and wide-band transformers, various types of filters, inductors and chokes.
1. Drawing (Unit: mm)
2. Environmental Conditions
3. Electrical Characteristics
| Item | Unit | Test Terminal | Test Condition | MIN | NOR | MAX |
| Inductance Test | uH | A—B | 100KHz,0.3V, Ser | 340 | 380 | 420 |
| Leakage Test | µH | A—B | 100KHz,0.3V, Ser (other winding short circus) | / | / | 4 |
| Q Value | / | A—B | 100KHz,0.3V, Ser | 180 | / | / |
| Resistance 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℃ | / | / | 20 |
| mΩ | E—D1 | 25℃ | / | / | 5 | |
| mΩ | D2—C | 25℃ | / | / | 5 | |
| 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.
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