Audited Supplier
We manufactures high frequency transformers in the frequency range of 100Hz to 800kHz; Output power from 50 watts to 10, 000 watts; Output voltage from 0.5V RMS. To 10, 000V RMS. (28, 000V p-p); Output current from 0.01A to 1000A. Application: Control equipment Fire protection and security systems
Can make customized lamination 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, EPC17
1.EPC Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1. monitor, scanner ,duplicator
2. mobile adapter , printer 3. game machine
4. charger, alarm system
5.communication control equipment, switching power supply ,inverter
6.UPS power supply, visual equipment etc.
2.EE Ferrite Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1.Computer,scanner,duplicator,printer ,etc.
2. Precision instruments terminal output , PBX ,etc.
3.High-frequency switching power supply and High-frequency inverter power transformer.
4.wind power and solar power control.
5. Motor driver communication control equipment electronic instrument etc.
3.EFD Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1. monitor, scanner ,duplicator
2. mobile adapter , printer 3. game machine
4. charger, alarm system
5.communication control equipment, switching power supply ,inverter
6.UPS power supply, visual equipment etc.
4.ETD Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1. monitor, scanner ,duplicator
2. mobile adapter , printer 3. game machine
4. charger, alarm system
5.communication control equipment, switching power supply ,inverter
6.UPS power supply, visual equipment etc.
5.RM Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1.Computer,scanner,duplicator,printer ,etc.
2. Precision instruments terminal output , PBX ,etc.
3.High-frequency switching power supply and High-frequency inverter power transformer.
4.wind power and solar power control.
5. Motor driver communication control equipment electronic instrument etc.
6.PCB circuit,computer, monitor, scanner, duplicator,mobile adapter, printer
7.visual equipment ,OA(office automation)machine.
8. lighting equipment etc.
6.PQ Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1.Computer,scanner,duplicator,printer ,etc.
2. Precision instruments terminal output , PBX ,etc.
3.High-frequency switching power supply and High-frequency inverter power transformer.
4.wind power and solar power control.
5. Motor driver communication control equipment electronic instrument etc.
6.PCB circuit,computer, monitor, scanner, duplicator,mobile adapter, printer
7.visual equipment ,OA(office automation)machine.
8. lighting equipment etc.
7.ER Transformer
Features:
With low leakage inductance
With high efficiency
With high frequency
High magnetic flux
Strong anti-interference
Low loss magnetic materials
Low profile and nice exterior
Distributed capacitance .
Application:
1PCB circuit,computer, monitor, scanner, duplicator,mobile adapter, printer
2. game machine,charger,alarm system
3.communication control equipment,switching power supply.
4.visual equipment ,OA(office automation)machine
4. lighting equipment etc.
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.
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.)
product procedure
The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:
About us:
1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
2.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 |
To compare with the traditional EI Transformer, the Toroidal Transformer has the advantages are small size, leakage magnetic is samll, high efficency, internal resistance is samll and fast raction.
1.
Application:
Electronic meter and apparatus
Cable TV and digital network
Electronic control
Medical equipment
New electric power supply
Decorative illumination system
Monitoring and control equipmen.
2.
Equipment:
Over 50 sets toroidal/annular/ ring coil winding machines, 3 EI type transformer lines, 2 sets of vacuum annealing furnaces, A set of nitrogen and hydrogen production equipment.
3.
Warning
Under no circumstances should both ends of the fixing bolt simultaneously contact the metal chassis or framework as this would create a potentially dangerous 'shorted-turn'.
4.
Certificate
The certificate of our transformer has CE CQC RoHs UL.
Contact Information:
Alice
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
Tel:86-22-84943756
