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Shenzhen Dowis Electronics Co.,Ltd
5 Years
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| Brand Name : | Dowis |
| Model Number : | EE25.4, EE series |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
EE25.4 High-Frequency Transformer Manufacturer Customized DW3406
Applications:
switching power supplies, chargers, alarm system, TV and CRT
monitor displays, UPS, VCD/DVD players, audio and visual equipment,
OA machines and inverter
Typical product:
PQ: 2020, 2016, 2625, 3230, 3535, 4040 and 5050
EI/EE series: EI, EE-5.0, 8.3, 10, 13, 16, 19, 22, 25, 28, 30, 33,
35, 40, 42, 50, 55 and 60
EF series: EF-4539, 16, 20, 25 and 32
ERL series: ERL-28, 35, 39, 42 and 49
ETD series: ETD-29, 34, 39, 44, 49, 54 and 59
EFD-15, 20, 25 and 30
1. Drawing (Unit: mm)
2. CIRCUIT DIAGRAM
3. CONSTRUCTION DIAGRAM
4. ELECTRICAL CHARACTERISTIC
序号 No. | 项目 ITEM | 测试端 TERMINALS | 技术要求 SPECIFICATIONS | 公差 TOLERANCE | 单位 UNIT | 测试条件 TESTING CONDITION | 测试仪器 TESTING |
| 1 | 电感量 INDUCTANCE | 10~6 | 76.0 | ±10% | mH | 1KHz/0.25V | CH3252 |
| 2 | 漏 感 LEAKAGE IND | ||||||
| 3 | 直流电阻 RESISTANCE | 10~6 | 21.0 | MAX | Ω | AT 25℃ | CH2512 |
| 3~1 | 65 | MAX | mΩ | ||||
| 1~5 | 65 | MAX | mΩ | ||||
| 4~2 | 140 | MAX | mΩ | ||||
| 4 | 耐压测试 HI-POT | PRI VS SEC | AC,500 | / | V | 50Hz/5mA/2Sec | CJ2670 |
| PRI,SEC VS Core | AC,500 | / | V | 50Hz/5mA/2Sec | |||
| 5 | 匝比极性 TURNS RATIO | ALL winding | 690:2:6:6 | ±0.2 | Ts | 20KHz/5V | CH3252 |
5. WINDING SPECIFICATION
| 序号No. | 起头 START | 收尾 END | 线材 WIRE(mm) | 圈数 TURNS | 绕制方式 WINDING | 绝缘胶带(mm) INSULATION TAPE(mm) | 绝缘挡墙(mm) MARGIN TAPE(mm) | 套管 TFL TUBE | ||||
| MATERIAL | Thick/Width | Ts | Pin1 | Pin6 | Ts | |||||||
| N1 | 10 | 6 | 2UEW-B, Φ0.18×1P | 690 | Closed | P.S TAPE | 0.05/11.0 | 3 | / | / | / | / |
| N2 | 4 | 2 | 2UEW-B, Φ0.18×1P | 2 | Spaced -1 layers | P.S TAPE | 0.05/11.0 | 1 | / | / | / | 30L×20mm |
| N3 | 1 | 5 | 2UEW-B, Φ0.40×1P(RED) | 6 | 2wire in hand Spaced-1 layer | P.S TAPE | 0.05/11.0 | 6 | / | / | / | / |
| N4 | 3 | 1 | 2UEW-B, Φ0.40×1P | 6 | ||||||||
| *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) | ||||||||||||
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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