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Shenzhen Dowis Electronics Co.,Ltd
5 Years
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| Brand Name : | Dowis |
| Model Number : | SDM-10P |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
SDM-10P Planar Power Transformer Manufacturer Customized DW5844
Planar transformers/magnetics are optimized for power supplies of
high performance DC/DC and AC/DC converters. Due to an optimized
core, winding geometry and interleaving technology, they are able
to offer a high efficiencies and high power density of 600 watts
per cubic inch, high efficiency, lower DCR and very low leakage
inductance. They are intended for use in DC/DC and AC/DC converter
power supply with forward, full-bridge, half-bridge and push--pull
and power supplies.
1. Drawing (Unit: mm)
2. Process of Winding
| Winding | PIN Position | Wire & Description | TS | Winding Method | Groove position | Insulation Tape | Method of Entering Axle | Direction of Axle | |||
| Start | End | Start | End | Tape Type | TS | ||||||
| N1 | 1 | 2 | 1UEWF+NY,φ0.25mm*2P | 25 | Tightly wind 2 layers | Between Pin1 & 2 | Between Pin1 & 2 | 3M#1350F-1 W8.0mm | 3.1 | Pin1-5 Towards right | Front |
| N2 | 6+7 | 9+10 | 1UEWF+NY,φ0.35mm*4P | 4 | Tightly wind a layer | Between Pin6 & 7 Between Pin7 & 8 | Between Pin6 & 7 Between Pin7 & 8 | 3M#1350F-1 W8.0mm | 3.1 | ||
| N3 | 4 | 5 | 1UEWF+NY,φ0.20mm*1P | 16 | Equally, wind a layer | Between Pin3 & 4 | Between Pin4 & 5 | 3M#1350F-1 W8.0mm | 3.1 | ||
3. Electrical Characteristics
Item | Test Terminal | Test Condition | Standard Requirement | Equipment | ||||
Semi-finished goods | Manufactured goods | QC Exam | ||||||
Inductance Test | 1 | 2 | 250KHz, 0.1V | 87~103uH | 85.5~104.5uH | 95uH±10% | 4284A or equal | |
| 1 | 2 | 200KHz, 0.1V | 92~104.5uH | 90~104.5uH | 87~104.5uH | 1062A or equal | ||
| Leakage Test | 1 | 2 | 250KHz, 0.1V (short connect to N2+N3) | 1.44uH max | 1.44uH max | 1.6uH max | 4284A or equal | |
| 1 | 2 | 200KHz, 0.1V (short connect to N2+N3) | 1.6uH max | 1.6uH max | 1.6uH max | 1062A or equal | ||
| Direct Current Resistance | 1 | 2 | DC 25℃ | 115 mΩ max | 115 mΩ max | 115 mΩ max | TH2511 or equal | |
| 4 | 5 | 347 mΩ max | 347 mΩ max | 347 mΩ max | ||||
| 6,7 | 9,10 | 8.0 mΩ max | 8.0 mΩ max | 8.0 mΩ max | ||||
Turns Test | All Windings | 200KHz,1.0V | 25:4:16(±0.2Ts) | 25:4:16(±0.2Ts) | 25:4:16(±0.2Ts) | CH3250 or equal | ||
High-Voltage Test | Pin1+5 to Pin6+10 | AC-50Hz-5mA | 1800V 2 Sec | 1800V, 2 Sec | 1500V, 60 Sec | CJ2670 or equal | ||
All windings to Core | AC-50Hz-5mA | 500V,2 Sec | 600V,2 Sec | 500V,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 suppliers. We look forward to cooperating with you.
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