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With ISO9001: 2015 High Efficiency Audio Toroidal Transformer for Audio Device Transformer

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US$ 7.9 - 8.8 MOQ: 100 Pieces
Key Specifications
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Brand Name:
Frewin toroidal transformer
Place of Origin:
China
Model Number:
GWB
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Tianjin Grewin Techonlogy Co.,ltd
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
Delivery time depends on order quantity.

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Brand Name Frewin toroidal transformer
Place of Origin China
Model Number GWB
Usage Audio
Phase Single
Coil Number Autotransformer
Coil Structure Toroidal
Basic Info
Model NO.: GWB2348 etc.
Usage: Audio Device, Amplifier, DVD, Loudspeaker
Frequency Characteristics: High Frequency
Shape of Core: Ring
Brand: Grewin High Efficiency Audio Toroidal Transformer
Type: Toroidal Transformer
Coil Number: High Flux Density Grain- Oriented Silicon Steel
Voltage Design: Customized
Trademark: Grewin High Efficiency Audio Transformer
Transport Package: Export Standard Carton or Customize Strong Pallet
Specification: CE
Origin: China
HS Code: 85043190
we have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China,We guarantee quality is the first:IEC.jpgISO.jpg

1.technical parameters.

Toroidal Transformer  I
Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark
GWB25VA 135ºC 250V 2A 250V  T  2A 80*35 CE UL TUV CQC
GWB30VA 135ºC 250V 2A 250V  T  2A 83*35 CE UL TUV CQC
GWB40VA 135ºC 250V 2A 250V  T  2A 87*35 CE UL TUV CQC
GWB50VA 135ºC 250V 2A 250V  T  2A 93*34 CE UL TUV CQC
GWB60VA 135ºC 250V 2A 250V  T  2A 93*35 CE UL TUV CQC
GWB80VA 135ºC 250V 2A 250V  T  2A 102*35 CE UL TUV CQC
GWB105VA 135ºC 250V 2A 250V  T  2A 114*38 CE UL TUV CQC
2.Test process
1).No-load test (included no-load voltage,no load current and no load loss)
2).iInductive voltage test 

3). Load test (load voltage and temperature rise

4). Temperature rise test .

5).Insulated resistance 

6).Hi-pot test 

7).Leakage indutance test 

8).DC resistance test 

9).Surface inspection.

3.Application:

lighting application.PNG

1).audio equipment 
2).electric control
3).computer
4).solar device
5).telecommunications
6).high-end and middle-end vedio etc

4.Advantages:

1).High quality 100% copper core
2).a full range of toroidal transformer

3).Specially sales and technical services:5-10Years
4).With 14 years' producing history in transformer induatry
5).our company have cooperated with many customers around the world and gained good reputation at home and abroad.

5.Note 
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard. 

6.GREWIN'S Dimension :
External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98% 
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)

 

About us:

1.Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". 

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2.The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:

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3.Terms of Shipment:
Within 10 working days after received related prepayment or L/C.

4.Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.

Contact Information:       

Joanna

Tianjin Grewin Technology Co.,Ltd.
Website:
Tel:86-22-84943756 

email:sales1(at) 



Product Tags: High Effiiency Transfomer , Toroidal Transformer , AudioTransfomer

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Tianjin Grewin Techonlogy Co.,ltd
Business Type
Manufacturer
Port of Shipment
Tianjin
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
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