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Shenzhen Dowis Electronics Co.,Ltd
5 Years
| Ask Lasest Price | |
| Brand Name : | Dowis |
| Model Number : | EE13, EE Series |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
100KHz EE13 HF Transformer 2.25mH 70µH
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 | Retaining wall | PIN Position | WIRE&DESCRIPTION | TS | Winding Method | Insulation tape | Tube | The way to get into the shaft | Axial direction | ||||
| Pin Side | Top Side | Start | End | Tape Specification | TS | Start | End | ||||||
| N1 | 5 | 4 | 1UEW-F ∮0.13mm*1P | 134 | Tightly winding for 3 layers+ Equally winding for 1 layer | W7.5mm | 2.1 | / | / | Pin towards left | front | ||
| N2 | 2 | 1 | 1UEW-F ∮0.13mm*1P | 18 | Equally winding for 1 layer | W7.5mm | 2.1 | / | / | ||||
| *Before N3 winding, paste one piece of 3M#1350F-1(3 layers) W8.0mm*12mm adhesive paper on the PIN end of pin1-5 side to cover pin1-5 inlet and outlet lines. After N5 winding, the wire package will be reversed* | |||||||||||||
| N3 | 8 | 7 | TIW-F ∮0.26mm*1P | 13 | Equally winding for 1 layer | W7.5mm | 1.1 | / | / | ||||
| N4 | 6 | 7 | TIW-F ∮0.50mm*1P | 4 | Double winding. - tightly winding *First wrap 4Ts to complete N4, then wrap 3Ts to complete N5 | W7.5mm | 2.1 | / | 26L*15 | ||||
| N5 | 9 | (10) | TIW-F ∮0.20mm*1P | 7 | |||||||||
4. Electrical characteristics
| Item | Test Terminal | Test Condition | Standard Requirement | Equipment | |||
| Semi-finished products | Finished Products | QC | |||||
| Inductance Test | 5 | 4 | 10KHz,0.1V | 2.25mH±8% | 2.25mH±10% | 2.25mH±10% | CH3250 or Equal |
| Leakage Test | 5 | 4 | 100KHz,0.1V (Circuit to other Pin) | 70µH max | 70µH max | 70µH max | |
| Direct Currency Resistance | 5 | 4 | DC | 5.15Ω max | 5.15Ω max | 5.15Ω max | TH2511or Equal |
| 2 | 1 | 820mΩmax | 820mΩmax | 820mΩmax | |||
| 8 | 7 | 150 mΩ max | 150 mΩ max | 150 mΩ max | |||
| 6 | 7 | 18 mΩ max | 18 mΩ max | 18 mΩ max | |||
| 9 | 10 | 170mΩ max | 170mΩ max | 170mΩ max | |||
| TS Test | All winding | 20KHz,1V | 134:18:13:4:7±1% | CH3250 or Equal | |||
| Voltage Test | Pri to Sec | AC-50Hz-1.5mA | 4250V,2 Sec | 4250V,2 Sec | 4250V,60 Sec | 19053 or Equal | |
| Sec to Core | 4000V,2 Sec | 4000V,2 Sec | 4000V,60 Sec | ||||
| Pin6 to Pin10 | 1500V,2 Sec | 1500V,2 Sec | 1500V,60 Sec | ||||
| Pin1 to Pin5 | 1500V,2 Sec | 1500V,2 Sec | 1500V,60 Sec | ||||
| Pri to Core | 1500V,2 Sec | 1500V,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.
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