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EF32 High Frequency Transformer

Categories HF Transformer
Brand Name: Dowis
Model Number: EF32, EF 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
Model: DW3533
Type: EF
INDUCTANCE: 1.25mH,325uH
LEAKAGE IND: 7uH
TURNS RATIO: 34:9:9:5:5Ts
Customized: Yes
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EF32 High Frequency Transformer

EF32 High-Frequency Transformer Manufacturer Customized DW3533

High Frequency Transformer Features:
1. Low profile.
2. Low D.C. resistance and large permissible D.C. current.
3. Little co-planarity due to special design of construction.
4. Wire burst resistant due to special construction.
5. This can be surface mount assembly and reflow soldering is also possible.
6. Available for mounting machine due to supply in a form of embossed tape carrying.


1. APPEARANCE & DIMENSIONS (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

4~51.15±0.25mH100KHz/1VCH3252
12~14325±65uH
2

漏 感

LEAKAGE IND

4~57.0MAXuH

100KHz/1V

Other pins shorted

CH3252
3

直流电阻

RESISTANCE

4~564MAXAT 25℃CH2512
12~1458MAX
8~970MAX
2~196MAX
4耐压测试
HI-POT
PRI VS SECAC,3000/V50Hz/5mA/2SecCJ2670
PRI&SEC VS CoreAC,1000/V50Hz/5mA/2Sec
5

匝比极性

TURNS RATIO

ALL winding34:9:9:5:5±0.2Ts20KHz/5VCH3252




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

MATERIALThick/WidthTsPin1Pin14Ts
N14ROD2UEW-B, Φ0.90×1P17Closed-1 layerBlack TAPE0.05/20.51/2.5mm×3L218L×24mm
N2212UEW-B, Φ0.30×1P5Spaced -1 layersBlack TAPE0.05/20.51/2.5mm×1L128L×20mm
N3ROD52UEW-B, Φ0.90×1P17Closed -1 layerBlack TAPE0.05/20.51/2.5mm×3L218L×24mm
E11/背胶铜箔:t0.05×17mm0.75Closed -1 layersBlack TAPE0.05/20.53/2.5mm×1L128L×25mm
N41213TIW-B, Φ0.80×1P9

2wire in hand

Closed -1 layers

Black TAPE0.05/20.51///18L×24mm
N51314TIW-B, Φ0.80×1P9
N689TIW-B, Φ0.40×1P5Spaced -1 layersBlack TAPE0.05/20.53///23L×18mm
*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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