We have passed ISO9001:2015,CE,SGS approval and IEC report
ETD type Transformer Parameters
| HORIZONTAL COILFORMER DIMENSIONS (mm) |
| TYPE | A | B | C | D | E | F | G | H | I | J | K |
| ETD29 | 35.3 | 21.6 | 11.8 | 10 | 6.4 | 25 | 3.5 | 35.2 | 21.2 | 19.4 | 0.7 |
| ETD34 | 39.6 | 25 | 13.4 | 11.4 | - | 34.6 | 4.5 | 42.8 | 23.4 | 20.9 | 1 |
| ETD39 | 44.6 | 28.9 | 15.1 | 13.1 | - | 37 | 4.5 | 47.8 | 28.2 | 25.7 | 1 |
| ETD44 | 49.6 | 31.9 | 17.7 | 15.5 | - | 39.9 | 4.5 | 52.2 | 32 | 29.5 | 1 |
| ETD49 | 54.5 | 35.7 | 19.2 | 17 | - | 42.4 | 4.5 | 57.2 | 35.2 | 32.7 | 1 |
| ETD54 | 61.5 | 39.15 | 22 | 19.8 | - | 46 | 4.5 | 61.5 | 39.3 | 36.8 | 1 |
| ETD59 | 66.9 | 42.65 | 24.9 | 22.4 | - | 49.2 | 4.5 | 66.4 | 43.7 | 41.2 | 1 |
RM type Transformer Parameters
1).Features: Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firmstructure,can fine-tune the inductance, etc., are widely used in faxmachines, PBX.2). Applicable frequency range: 20 to 100kHz :Operating frequency: higher than 200kHzHigh magnetic flux and low loss magnetic materialsWith 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 U105 to 10: E (F) 16, RM5 and P14/810 to 20: RM6, E (F) 20, P18, U15 and EFD1520 to 50: RM8, P22, RM10 ETD29, E25 and EFD2050 to 100: ETD29, ETD34, RM12, P30 and EFD25100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30200 to 500: ETD44, ETD49 and E55>500: ETD54, ETD59 and E65
5)Advantage:1.UL, CUL, CE, ISO9001:20152.We offer custom-made transformers, OEM and ODM are welcome3.We deliver the quality you expect at consistently competitive prices4.Transformer quality lifetime:10 Years.5.Specialty Sales service:5 -10 Years6.Transformers Test: 100% test before the shipmentAbout us:1). Tianjin Grewin Technology Co.,ltd. has always laying great emsis on our core business loso "Quality and Honesty First ".Grewin Mission: Growing together side by side,Mutual success hand in hand.Production: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 beforedelivery.(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:| NO | Step | Days need |
| 1 | Request for quotation | 1 day |
| 2 | Making quotations | 1 day |
| 3 | Offer and counter offer | 3 days |
| 4 | Sending and receiving samples | 3-10 days |
| 5 | Sample confirmation | 3 days |
| 6 | Placing a firm order | 1 day |
| 7 | Paying and receiving the down payment | 1-4 day |
| 8 | Factory production & Quality inspection | 15-20 days |
| 9 | Paying and receiving the balance | 4 days |
| 10 | Delivery of goods | 1 days |
Tianjin Grewin Technology Co.,Ltd.Tel:86-22-84943756
