Specifications
Brand Name :
Dowis
Model Number :
ETD34, ETD series
Certification :
CE, UL, RoHs, ISO9001, 16949
Place of Origin :
CN
MOQ :
1000pcs
Payment Terms :
T/T, L/C
Delivery Time :
3-4Weeks
Packaging Details :
Carton Box
Name :
ETD34 Transformer
Size :
43*26mm
Description

ETD34 High-Frequency Transformer Manufacturer Customized DW4173

EE Series Transformer are features with the characteristics of wide range operation voltage and high working frequency, large output power, thermal stability.
PQ Series Transformer are features with the characteristics of strong anti-interference, small distributed capacitance, high impedance, low transmission attenuation and low temperature.
ETD Series Transformer are features with the characteristics of high operation voltage and large output power, thermal stability.


1. DRAWING (UNIT: MM)
ETD34  90V To 265V High Voltage Customized Transformer

2. PROCESS OF WINDING

winding Barrier Tape PIN Position Wire & Description TS Winding Method Groove Position InsulationTape Tube Method of entering Axle Direction of Axle
PIN 8-14 PIN 1-7 Start End Start End

Tape type

(High -temperature adhesive tape)

TS Start End PIN 1-7 Towards right.
front
N1 / / (1) (2)

Silk covered wire: 2UEW-F,φ0.1mm×50P

32 Tightly wind 4 layers PIN 1 Groove PIN 2 Groove 10.0mm 2 17L*15mm 17L*15mm
/ / (4) (5)

A thermistor is placed on the outer layer of N1 winding near pins 4 and 5

PIN 4 Groove PIN 5 Groove 24L*6mm 24L*6mm
N2 / / (14) (10)

Silk covered wire: 2UEW-F,φ0.1mm×100P

2 Wind 2 sets of wires together, tightly wind 2 layers PIN 14 Groove PIN 10 Groove 7.0mm 2 14L*15mm 14L*15mm
N3 / / (9) (12)

Silk covered wire: 2UEW-F,φ0.1mm×100P

2 PIN 9 Groove PIN 12 Groove 14L*15mm 14L*15mm



3.ELECTRIC PERFORMANCE INDEX

Item Test Terminal Test Condition

Standard Request

Equipment

Semi-finished goods

Manufactured goods

QC Exam

Inductance Test 1 2 100KHz, 0.3V

682~742uH

682~742uH

680~750uH

TH1062

Or equal

Leakage Test 1 2 100KHz, 0.3V( short circuits to all winding)

60~80 uH

60~80 uH

60~80 uH

Q Value 1 2 100KHz, 0.3V

200 MIN

200 MIN

200 MIN

Direct Current Resistance 1 2 DC25℃

100mΩ max

100mΩ max

100mΩ max

TH2511

Or equal

14 10

5mΩ max

5mΩ max

5mΩ max

9 12

5mΩ max

5mΩ max

5mΩ max

4 5

50KΩ min

50KΩ min

50KΩ min

Turns Test All windings 20KHZ/1V

32:2:2(±0.2Ts)

CH-3250

Short Circuits Test

Pin:9-10

Insulation Resistance Np-Ns

500Vdc

100 MΩ MIN

High-Voltage Insulation Test N1-N2,N3

AC-50Hz-1mA

3750Vac 2 Sec

4500Vac 2 Sec

3750Vac 60 Sec

CJ2670

Or equal

N1-Core

AC-50Hz-1mA

2400Vac 2 Sec

2880Vac 2 Sec

2400Vac 60 Sec

N2,N3-Core

AC-50Hz-1mA

2400Vac 2 Sec

2880Vac 2 Sec

2400Vac 60 Sec


4. Schematic Diagram
ETD34  90V To 265V High Voltage Customized Transformer

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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ETD34 90V To 265V High Voltage Customized Transformer

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Brand Name :
Dowis
Model Number :
ETD34, ETD series
Certification :
CE, UL, RoHs, ISO9001, 16949
Place of Origin :
CN
MOQ :
1000pcs
Payment Terms :
T/T, L/C
Contact Supplier
ETD34  90V To 265V High Voltage Customized Transformer

Shenzhen Dowis Electronics Co.,Ltd

Active Member
5 Years
shenzhen
Since 2008
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
13,000,000.00-14,800,000.00
Employee Number :
480~500
Certification Level :
Active Member
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