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  • Ac Dc Adaptor High Frequency Transformer For Switching Power Supply - China

    price: 1.50 Dollar US$

    We have passed ISO9001:2015, CE, SGS approval and IEC report EE type Transformer Parameters Brand Name; GREWIN Transformer Core structure; lamination Coil number; Autotransformer
    Place of Origin; China Coil Material; ferrite Coil structure; toroidal
    Usage; High Frequency Model : EE Phase; single
    Application; High-frequency switching power supply and High-frequency inverter power transformer. PBX
    Deliver time; Within 10 working days Package; Customized standard cartons ATTENTION; YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT Type Core "E" Dimension
    A(mm) B(mm) C(mm) D(mm) E(mm) F(mm)
    EE13 12.6 6.5 4.5 3.7 8.9 3.7
    EE14 14.3 7.8 5.2 4.3 10.5 4.5
    EE16 16.0 8.2 5.7 4.7 11.3 4.7
    EE20 20.4 10.1 7.0 5.9 14.1 5.9
    EE25 25.0 12.8 8.7 7.5 17.5 7.5
    EE30 30.0 15.2 9.7 7.2 19.5 7.3
    EE32 32.0 16.4 11.2 9.5 22.7 9.5
    EE36 36.0 18.0 12.0 10.2 24.5 11.5
    EE42 42.0 21.0 14.8 17.2 29.5 15.2
    EE55 55.0 27.8 18.5 17.2 37.5 21.0
    EE65 65.0 32.8 22.2 20.0 44.2 27.4
    EE70 70.5 33.2 21.9 22.0 48.0 32.0 EFD type Transformer Parameters
    Model Pin Dimension
    A B C D E
    EFD-12 8 6 17 20 3.0 13.5
    EFD-15 10 7.3 18.2 21.35 2.5 15
    EFD-15 10 7.5 19.3 22.6 3.0 16.7
    EFD-20 10 9.4 25.3 27.7 3.75 21.7
    EFD-20 12 9.7 24 26.8 3 20
    EFD-25 10 13.4 29.7 35.4 5 25
    EFD-25 10 12.6 29.7 31.5 5 25
    EFD-30 12 12.6 31.6 35.5 5 30 EPC type Transformer Parameters Model Dimension (mm) VA Weight
    A B C f=50KHz f=100KHz g
    EPC-9.5 10 5.5 10 1.1 2.5 9
    EPC-13 14 9 14 5 8 11
    EPC-17 19 11 18 14 20 18
    EPC-19 20 13 21 18 27 21
    EPC-25 27 17 26 36 59 29
    EPC-27 29 17 36 52 75 35 ER type Transformer Parameters
    ER Transformer Specification
    Model PIN Dimension
    A B C+/-0.5 D+/-0.5 E F
    ER25.5 8 19.5 19.7 12.5 4 5 25.5
    ER28 12 30.5 23 17.5 4 5 31
    ER28 12 23.1 28.2 25 4 5 29.1
    ER28 12 36 27 20 4 5 30
    ER28 12 26.3 37.1 30 4 5 30.2
    ER33 14 37.5 28 22.5 4 5 36
    ER35 14 43.5 28 22.5 4 5 35.5
    ER35 16 29.1 40.3 35.4 4 5 40.3
    ER39 16 46 31.1 25 4 5 43.1
    ER39 16 33 41.5 30.85 4 7.5 42.3
    ER40 16 48 31.1 25 4 5 43.1
    ER4215 14 45.5 30 25 4 5 42
    ER4220 14 44 37.5 36 4 5 42 PQ type Transformer Parameters
    COILFORMER DIMENSIONS (mm) TYPE A B C D E F G H I J K L M N O PQ20/16 23.15 17.35 23.15 20.3 2.5 9 3.8 5.1 17.9 9.7 7.82 10.8 2.4 0.6 7.35 PQ20/20 23.15 17.35 23.15 20.3 2.5 9 3.8 5.1 22 13.85 12 10.8 2.4 0.6 7.35 PQ26/20 26.6 21.85 29.75 25.4 - 12.3 3.8 7.6 21.5 11.05 9 14.2 2.4 0.65 7.2 PQ26/25 26.6 21.85 29.75 25.4 - 12.3 3.8 7.6 26.05 15.65 13.55 14.2 2.4 0.65 7.2 PQ32/20 32.15 26.7 34.3 30.5 - 13.85 5.1 7.6 22.35 11.05 8.9 15.9 2.8 0.75 7.2 PQ32/30 32.15 26.7 34.3 30.5 - 13.85 5.1 7.6 32.15 20.85 18.7 15.9 2.8 0.75 7.2 PQ35/35 35.00 31.0 39.0 - - 15 - - 37.4 - 22.4 16.9 - 1 5 1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm
    structure, can fine-tune the inductance, etc., are widely used in fax
    machines, PBX. 2). Applicable frequency range: 20 to 100kHz :
    Operating frequency: higher than 200kHz
    High magnetic flux and low loss magnetic materials
    With low leakage inductance and high efficiency . 3).Applications: PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and instruments.
    UL insulation system for Class B (130), F (155), H (180) 4). Can make other customized Ferrite transformers:
    Power range: core type using N67 grade material
    <5: RM4, P11/7, EF12.6 and U10
    5 to 10: E (F) 16, RM5 and P14/8
    10 to 20: RM6, E (F) 20, P18, U15 and EFD15
    20 to 50: RM8, P22, RM10 ETD29, E25 and EFD20
    50 to 100: ETD29, ETD34, RM12, P30 and EFD25
    100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30
    200 to 500: ETD44, ETD49 and E55
    >500: ETD54, ETD59 and E65 5)Advantage:
    1.UL, CUL, CE, ISO9001:2015
    2.We offer custom-made transformers, OEM and ODM are welcome
    3.We deliver the quality you expect at consistently competitive prices
    4.Transformer quality lifetime:10 Years.
    5.Specialty Sales service:5 -10 Years
    6.Transformers Test: 100% test before the shipment About us:
    1). Tianjin Grewin Technology Co., ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
    Grewin Mission: Growing together side by side, Mutual success hand in hand. Production:
    The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets: 2).Terms of Shipment:
    Within 10 working days after received related prepayment or L/C. 3).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. 4).Flow chart of trading activities: Contact: Amy Tianjin Grewin Technology Co., Ltd.
    Tel:86-22-84943756


    Company Contact:


    • Phone: +862284943756

    • Address: RM1013 2#Building MeiNian Plaza No.16 DongTing Road HeXi Distr, 300222 Tianjin China., Tianjin, TianJin, China

    • Email: Email


    Published date: August 1, 2018 -

    • Business Description: Tianjin Grewin Technology Co.Ltd. In Tianjin City which is very close to XinGang Port and BinHai International Airport, which provide timely and convenient access to transportations for customers. It’s a professional leading and a main exporter of a wide variety of electronics components in north of China.
      All of our products stand for top quality in this industry and are enjoying very high honor.We have abtained ISO90001, CE, SGS approval and IEC test report.
      Our core business are including following:
      1.Toroidal Transformers
      2.Current Transformers
      3.EI laminated Transformers
      4.Ferrite Core Transformers
      5.Monitoring Devices
      6.Power Testing
      7.Chokes Coil

      All staff in our company would like to appreciate for your attention to our products. Welcome to give us your valuable suggestions about products and services. You can be our sole agent in your country and benefit from more preferable prices.OEM orders are welcome.

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