Shenzhen Dowis Electronics Co.,Ltd
| Place of Origin: | CN |
|---|---|
| Brand Name: | Dowis |
| Certification: | CE, UL, RoHs, ISO9001, 16949 |
| Model Number: | EDR2009, EDR Series |
| Minimum Order Quantity: | 1000pcs |
| Packaging Details: | Carton Box |
| Delivery Time: | 3-4Weeks |
| Payment Terms: | T/T, L/C |
| Model: | DW6936 | Size: | 35*15.5*9,8mm |
|---|---|---|---|
| High Light: | EDR20 High Frequency Transformer,1.1mH High Frequency Transformer,20KHz HF Transformer |
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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.
