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Shenzhen Dowis Electronics Co.,Ltd

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Home / Products / HF Transformer

EF32 High Frequency Transformer

EF32 High Frequency Transformer
EF32 High Frequency Transformer EF32 High Frequency Transformer EF32 High Frequency Transformer
Basic Information
Place of Origin: CN
Brand Name: Dowis
Certification: CE, UL, RoHs, ISO9001, 16949
Model Number: EF32, EF series
Minimum Order Quantity: 1000pcs
Packaging Details: Carton Box
Delivery Time: 3-4Weeks
Payment Terms: T/T, L/C
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  • Detail Information
  • Product Description
Model: DW3533 Type: EF
INDUCTANCE: 1.25mH,325uH LEAKAGE IND: 7uH
TURNS RATIO: 34:9:9:5:5Ts Customized: Yes
High Light:

EF32 High Frequency Transformer

,

325uH High Frequency Transformer

,

OEM ODM EF 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)
EF32 High Frequency Transformer 0
 

2. CIRCUIT DIAGRAM
EF32 High Frequency Transformer 1

 

 

3. CONSTRUCTION DIAGRAM
EF32 High Frequency Transformer 2


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

4~5 1.15 ±0.25 mH 100KHz/1V CH3252
12~14 325 ±65 uH
2

漏 感

LEAKAGE IND

4~5 7.0 MAX uH

100KHz/1V

Other pins shorted

CH3252
3

直流电阻

RESISTANCE

4~5 64 MAX mΩ AT 25℃ CH2512
12~14 58 MAX mΩ
8~9 70 MAX mΩ
2~1 96 MAX mΩ
4 耐压测试
HI-POT
PRI VS SEC AC,3000 / V 50Hz/5mA/2Sec CJ2670
PRI&SEC VS Core AC,1000 / V 50Hz/5mA/2Sec
5

匝比极性

TURNS RATIO

ALL winding 34:9:9:5:5 ±0.2 Ts 20KHz/5V CH3252




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

MATERIAL Thick/Width Ts Pin1 Pin14 Ts
N1 4 ROD 2UEW-B, Φ0.90×1P 17 Closed-1 layer Black TAPE 0.05/20.5 1 / 2.5mm×3L 2 18L×24mm
N2 2 1 2UEW-B, Φ0.30×1P 5 Spaced -1 layers Black TAPE 0.05/20.5 1 / 2.5mm×1L 1 28L×20mm
N3 ROD 5 2UEW-B, Φ0.90×1P 17 Closed -1 layer Black TAPE 0.05/20.5 1 / 2.5mm×3L 2 18L×24mm
E1 1 / 背胶铜箔:t0.05×17mm 0.75 Closed -1 layers Black TAPE 0.05/20.5 3 / 2.5mm×1L 1 28L×25mm
N4 12 13 TIW-B, Φ0.80×1P 9

2wire in hand

Closed -1 layers

Black TAPE 0.05/20.5 1 / / / 18L×24mm
N5 13 14 TIW-B, Φ0.80×1P 9
N6 8 9 TIW-B, Φ0.40×1P 5 Spaced -1 layers Black TAPE 0.05/20.5 3 / / / 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.

Tag:

High Frequency EPC Transformer UL,

OEM ODM EE4220 Transformer,

High Frequency Transformer 100W To 3000W

Contact Details
martinliao

Phone Number : +8618928454332

WhatsApp : +85264885839

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