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  • 3 75va Small Toroidal Transformer 230v 8 4v For Solar Lighting - China

    price: contact company for price

    Name:

    3.75va small toroidal transformer 230v 8.4v for Solar lighting

    1. technical parameters.

    Miniature Toroidal Transformer

    Part No power parallal series Dimension Pin Pattern Weight

    VA L* W* H( MM) MM g

    GW20020 3.2 7 0.457 14 0.229 44.7* 44.7* 19.5 40.64 110

    GW20021 9 0.356 18 0.178

    GW20022 12 0.267 24 0.133

    GW20023 15 0.213 30 0.107

    GW20024 18 0.178 36 0.089

    GW20025 22 0.145 44 0.073

    GW20040 5 7 0.714 14 0.357 49.7* 49.7* 19.5 144

    GW20041 9 0.556 18 0.278

    GW20042 12 0.417 24 0.208

    GW20043 15 0.333 30 0.167

    GW20044 18 0.278 36 0.139

    GW20045 22 0.227 44 0.114

    GW20060 7 7 1.000 14 0.5 49.7* 49.7* 23.1 45.72 174

    GW20061 9 0.778 18 0.389

    GW20062 12 0.583 24 0.292

    GW20063 15 0.467 30 0.233

    GW20064 18 0.389 36 0.194

    GW20065 22 0.318 44 0.159

    GW20080 10 7 1.429 14 0.714 252

    GW20081 9 1.111 18 0.556

    GW20082 12 0.833 24 0.417

    GW20083 15 0.667 30 0.333

    GW20084 18 0.556 36 0.278

    GW20085 22 0.455 44 0.227

    GW20100 15 7 2.143 14 1.071 60.0* 60.0* 26.3 55.88 304

    GW20101 9 0.667 18 0.833

    GW20102 12 1.250 24 0.625

    GW20103 15 1.000 30 0.5

    GW20104 18 0.833 36 0.417

    GW20105 22 0.682 44 0.341

    GW20120 25 7 3.571 14 1.786 60.0* 60.0* 37.5 55.88 435

    GW20121 9 2.778 18 1.389

    GW20122 12 2.083 24 1.042

    GW20123 15 1.667 30 0.833

    GW20124 18 1.389 36 0.694

    GW20125 22 1.136 44 0.568

    2. Raw materials have abtained VDE, UL, CE, ISO9000 approval . we guarantee quality is the first.

    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. resistance test

    9. Surface inspection.

    3. customized audio toroidal transformer and solar energy transformer Application:

    1) . Application:

    1. audio equipment

    2. electric control

    3. computer

    4. solar device

    5. telecommunications

    6. high- end and middle- end vedio etc

    2) . 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.

    3) . 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.

    4) . 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 ' . Due to continuous innovative research and development, our products have meet the technical standards and safety standards , which are efficient and environment- friendly. As a professional leading and a main exporter of a wide variety of electronic components in China for many years, we adhere to new products, quality to meet the needs of you and welcome all of you to negotiate

    Contact Information:

    Cathy Li

    Tianjin Grewin Technology Co. , Ltd


    Company Contact:


    • Phone: 862284943756

    • Address: Yingke Building, Hedong district,Tianjin, Tianjin, China

    • Email: Email


    Published date: January 19, 2016 -

    • Business Description: Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". We have both design and produce advantages about toroidal transformer,magnetic transformer,EI chasis class mounting transformer ,current transformer and clamp on sensor.

      Depending on continuous and innovative R&D, and efficient management, Grewin has attracted lots of talented people to work together, who provide effective production, accurate inspection testing and excellent sales service for customers.

      Grewin's manufacturing bases is located in Tianjin in China's north, which is Grewin's for transformers components products and using automated equipment like audio equipment, converter,power supply and meter,power monitoring etc.
      Also we have passed ISO9001, CE, SGS certification.

      Grewin Mission:
      Growing together side by side,
      Mutual success hand in hand.

      Grewin Values:
      Behaving: Fitness Confidence Honesty Gratefulness
      Acting: Profession Efficiency Team-work Passion
      Achievements at work, realization of your goal.

      We sincerely invite you to join us to create a bright future.

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