Shenzhen Dowis Electronics Co.,Ltd
| Payment Terms | T/T, L/C |
| Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box |
| Model | DW6957A |
| Name | HF Transformer |
| Application | Suitable for a wide range of switching power supply/power transformer/ LED driver transformer/current transformer/distribution transformer |
| Features | High-temperature resistant |
| Origin | CN |
| Brand Name | Dowis |
| Model Number | EE16, EE 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 | DW6957A |
| Name | HF Transformer | Application | Suitable for a wide range of switching power supply/power transformer/ LED driver transformer/current transformer/distribution transformer |
| Features | High-temperature resistant | Origin | CN |
| Brand Name | Dowis | Model Number | EE16, EE Series |
| Certification | CE, UL, RoHs, ISO9001, 16949 | Place of Origin | CN |
| High Light | ISO9001 HF Power Transformer ，100KHz HF Power Transformer ，30uH HF Transformer | ||
100KHz EE16 HF Transformer 30µH
Features:
1. High quality and Competitive price
2. Good after-sale service
3. High-temperature resistant
4. Supply samples free with the short delivery time
5. Suitable for a wide range of switching power supply/power transformer/ LED driver transformer/current transformer/distribution transformer
1. Drawing (Unit: mm)
2. Winding Method
3. Winding System Requires
| Winding | PIN Position | WIRE&DESCRIPTION | TS | Winding Method | Slot Position | Insulation tape | Tube | The way to get into the shaft | Axial direction | ||||
| Start | End | Start | End | Tape Specification | TS | Start | End | ||||||
| N1 | 3 | 4 | 1UEW-F φ0.18mm*1P | 39 | Tightly winding for 1 layer | Between P2 & 3 | Between P3 & 4 | W9.5mm | 1.1 | Pin Towards right | front | ||
| N2 | 2 | NC | 1UEW-F φ0.12mm*2P | 26 | Tightly winding for 1 layer *The NC end is cut into a right Angle and buried in the wire package | Between P1 & 2 | Hung | W9.5mm | 3.1 | ||||
| N3 | (A) | (B) | TIW-B φ0.45mm*2P | 6 | Tightly winding in the middle | P8,9 Top Slot | Between P7 & 8 | W9.5mm | 3.1 | 16L*25 | 16L*15 | ||
| N4 | 2 | NC | 1UEW-F φ0.12mm*2P | 24 | Tightly winding for 1 layer *The NC end is cut into a right Angle and buried in the wire package | Between P1 & 2 | Hung | W9.5mm | 1.1 | ||||
| N5 | 4 | (5) | 1UEW-F φ0.18mm*1P | 37 | Tightly winding for 1 layer | Between P3 & 4 | Between P4 & 5 | W9.5mm | 1.1 | 30L*8 | |||
| N6 | 1 | 2 | 1UEW-F φ0.18mm*2P | 14 | Tightly winding in the middle | P1 Side SLot | Between P1 & 2 | W9.5mm | 2.1 | ||||
4. Electrical characteristics
| Item | Test Terminal | Test Condition | Standard Requirement | Equipment | |||||
| Semi-finished products | Finished Products | QC | |||||||
| Inductance Test | 3 | 5 | 100KHz,0.1V | 0.94~1.06mH | 0.92~1.08mH | 1.0mH±8% | TH1062 or Equal | ||
| Leakage Test | 3 | 5 | 10KHz,0.1V (Circuit to other PIN) | 30uH max | 30uH max | 30uH max | TH1062 or Equal | ||
| Direct Currency Resistance | 3 | 5 | DC 25℃ | 2.9Ω max | 2.9Ω max | 2.9Ω max | TH2511 or Equal | ||
| 1 | 2 | 280mΩ max | 280mΩ max | 280mΩ max (Internal control) | |||||
| A | B | 18mΩ max | 18mΩ max | 18mΩ max (Internal control) | |||||
| TS Test | All winding | 20KHz,1V | 76:14:6 (±0.2Ts) | TH3250 or Equal | |||||
| Voltage Test | A对Pin1+3 | AC-50Hz-1.5mA | 4500V,2 Sec | 4500V,2 Sec
| 4000V, 60 Sec | CJ2670 or Equal | |||
| Pin1对 Pin3 | AC-50Hz-1.5mA | 1800V,2 Sec | 1800V,2 Sec | 1500V, 60 Sec | |||||
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 supplier. 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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