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Shenzhen Dowis Electronics Co.,Ltd
5 Years
| Ask Lasest Price | |
| Brand Name : | Dowis |
| Model Number : | EDR2009, EDR Series |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
1.1mH EDR20 HF Transformer 1KHz To 20KHz DW6936
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. The Principle Structure
3. Winding Method
4. Winding System Requires
| WINDING | TERMINAL (START-FINISH) | WIRE SIZE | TURNS (TS) | TAPE ( yellow) | NOTE |
| N1 | 5 --- 3 | 2UEWF ∮0.14mm*1P | 40 | W4.0mm*2TS | Tightly wind for 2 layers |
| N2 | 8 --- 6 | DRTIW-B ∮0.18mm*1P | 28 | W4.0mm*2TS | Tightly wind for 4 layers |
| N3 | 6 --- 7 | DRTIW-B ∮0.18mm*1P | 7 | W4.0mm*2TS | Tightly wind for 1 layer |
| N4 | 4 --- 2 | 2UEWF ∮0.14mm*1P | 10 | W4.0mm*2TS | Tightly wind in the middle |
| N5 | 3 --- 1 | 2UEWF ∮0.14mm*1P | 25 | W4.0mm*2TS | Tightly wind for 1.2 layers |
5. Electrical characteristics
| 测试项目 ITEM | 电性能参数要求 ELECTRICAL PARAMETERS REQUIRED | 测试条件 TEST CONDITION | |
| 电感值 INDUCTANCE | L(5--1)=1.1mH±5% | 10KHz ,0.3V (CH-1062 or EQUIVALENT) | |
| 漏感 LEAKAGE INDUCTANCE | Lk(5--1)=60uH MAX (短路:其它脚位) | ||
| 直流电阻 RESISTANCE | / | DC,AT25℃ TH-2512 or EQUIVALENT | |
| 匝比极性测试 TURNS&Polarity | NP:NS=65:28:7:10(±0.3TS) | 20KHZ,1.0V (TH3252 or EQUIVALENT) | |
| 耐压测试 HI-POT | PRI--SEC | AC 3750V / 5mA / 60S | AC 60Hz CH9053 METER or EQU |
| SEC--CORE | AC 3750V / 5mA / 60S | ||
| Pin1--Pin2 | AC 1000V / 5mA / 5S | ||
| 绝缘电阻 INSULATION RESISTANCE | N1--N2 | DC500V 100Mohm MIN | |
| COIL-CORE | |||
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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