Shenzhen Dowis Electronics Co.,Ltd
| Payment Terms | T/T, L/C |
| Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box |
| Model | DW3412 |
| Brand Name | Dowis |
| Model Number | EF12.6, EF Series |
| Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | T/T, L/C | Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box | Model | DW3412 |
| Brand Name | Dowis | Model Number | EF12.6, EF Series |
| Certification | CE, UL, RoHs, ISO9001, 16949 | Place of Origin | CN |
| High Light | SMPS EF12.6 Transformer ，100 to 400KHz EF12.6 Transformer ，EF Transformer 12V DC To 240V AC | ||
EF12.6 High-Frequency Transformer Manufacturer Customized DW3412
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. Schematic Diagram
3. Construction
4. Process of winding
| No. | START | END | WIRE(mm) | TURNS | WINDING |
INSULATION TAPE(mm) | MARGIN TAPE(mm) | TFL TUBE | ||||
| MATERIAL | Thick/Width | Ts | Pin1 | TOP | Ts | |||||||
| N1 | 1 | ROD1 | 2UWE-B, Φ0.20×1P | 28 | Spaced-1 layer | Black tape | 0.05/8.0 | 1 | / | / | / | / |
| N2 | 6 | ROD2 | 2UWE-B, Φ0.20×2P | 13 | Spaced-1 layer | Black tape | 0.05/8.0 | 1 | / | / | / | / |
| N3 | 3 | 4 | 2UWE-B, Φ0.20×1P | 11 | 2wire in hand Spaced-1 layer | Black tape | 0.05/8.0 | 1 | / / | / | / | 30L×18mm |
| N4 | 2 | 3 | 2UWE-B, Φ0.20×1P | 11 | / | / | 30L×18mm | |||||
| N5 | ROD2 | 5 | 2UWE-B, Φ0.20×2P | 13 | Spaced-1 layer | Black tape | 0.05/8.0 | 1 | / | / | / | 23L×18mm |
| N6 | ROD1 | 3 | 2UWE-B, Φ0.20×1P | 28 | Closed | Black tape | 0.05/8.0 | 2 | / | / | / | 26L×18mm |
| ROD1,ROD2线各自绞合焊锡,反折包入线包 | Black tape | 0.05/8.0 | 2 | |||||||||
| *挡墙层数参考,与绕线高度平齐为要(Margin barrier tape layer of the reference, and winding same height as you want) | ||||||||||||
5. Electrical Characteristics
| No. | ITEM | TERMINALS | SPECIFICATIONS | TOLERANCE | UNIT | TESTING CONDITION | TESTING |
| 1 | INDUCTANCE | 1~3 | 207 | ±22 | uH | 1KHz/0.25V | CH3252 |
| 2 | LEAKAGE IND | 1~3 | 3.1 | MAX | uH | 100KHz/1V Shorted Pin2,4,5,6 | CH3252 |
| 3 | RESISTANCE | 1~3 | 0.9 | MAX | Ω | AT 25℃ | CH2512 |
| 3~4 | 195 | MAX | mΩ | ||||
| 2~3 | 190 | MAX | mΩ | ||||
| 5~6 | 220 | MAX | mΩ | ||||
| 4 | HI-POT | PRI VS SEC | AC,500 | / | V | 50Hz/5mA/1Sec | CJ2670 |
| ALL Pin VS Core | AC,500 | / | V | 50Hz/5mA/1Sec | |||
| 5 | TURNS RATIO | ALL winding | 56:22:26 | ±0.2 | Ts | 20KHz/5V | CH3252 |
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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