| Place of Origin: | CN |
|---|---|
| Brand Name: | Dowis |
| Certification: | CE, UL, ISO,16949,RoHs |
| Model Number: | ER20 ER Series |
| Minimum Order Quantity: | 1000pcs |
| Packaging Details: | Carton Box |
| Delivery Time: | 6-8weeks |
| Payment Terms: | T/T |
| High Light: | ER20 220V To 12V Transformer,Customized 220V To 12V Transformer,Planar Power er transformer |
ER20 Planar Power Transformer Customized DW5688
Application:
This single-phase transformer is widely applied to the little power of DVD, hi-fi stereo, TV, small adaptor, beauty equipment, instruments and Apparatuses equipment, stage light, lighting control circuit, air-conditioning equipment control circuit, medical equipment, monitoring equipment, automation equipment control circuit, machinery and equipment, energy-efficient equipment.
Features:
a) High efficiency, We use good silicon sheet and good copper wire
b) Low heat generation
c) 3 frames or full isolation bobbin
d) The cores are lapped by silicon steel sheet of high - quality and have been treated by insulation
e) Clean appearance and convenient installation
f) Competitive pricing.
1. MECHANICAL DIMENSION(UNIT MM)
![[#varpname#] 0](/photo/dowis/editor/20210321165811_90099.png)
2. SCHEMATIC
![[#varpname#] 1](/photo/dowis/editor/20210321165912_70410.png)
3. WINDING CONSTRUCTION
| Winding | Pin | TS | Wire Diameter | Insulation Between the winding | End Space | Wire tube for In & Out | Winding Method |
| N1 | 1-2 | 10Ts | 0.45*1.5mm EIW | No | No/No | No | Start winding in the middle |
| N2 | 3-4 | 10Ts | 0.45*1.5mm EIW | No | No/No | No | Start winding in the middle |
4. ELECTRICAL PARAMETER
L(Inductance) : 1-2/3-4 15uH±10%(200KHZ/1V 25℃)
L(DCsuperposition): 1-2/3-4( 5A) 9.5uH Min 200KHZ/1V 25℃
Winding turn ratio and polarity: N1:N2 10:10(20KHZ/1V)
Direct current resistance:
1-2 15 mΩ MAX25℃
3-4 15 mΩ MAX
high-voltage insulation/safety regulation:25℃
Winding resistance towinding resistance:500VDC 2mA 5S
Winding resistance to the core: 500VDC 2mA 5S
Voltage insulation between winding and magnetic core
Winding resistance to the core: 500VDC
Insulation resistance should be more than100MΩ
Working temperature: -40℃ - +125℃(Contains the temperature rise)
Heat resistance level: CLASS F
二,
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.
