GWEFD 12 EFD15 EFD20 EFD25 EFD30
Power, Electronic, Instrument, Lighting, Rectifier, Audio, Charger, Lamp, Communication Equipment
Single
Shell-type Transformer
Dry-type Transformer
Auto-transformer
ISO9001-2000, ISO9001, CCC, CE
Efd Transformer for Microcomputer Equipment
High Frequency
EE
Grewin Efd High Frequency Transformer
Yellow, Black
Higher Than 20kHz- 200kHz
High Magnetic Flux and Low Loss Magnetic Materials
PCB Circuits, Computer, TV, Monitor, Scanner
UL Insulation System for Class B (130), F (155), H
EPC Ep DC Power Magnetic Transformer
Low Transmission, Strong Anti-Interference, Dist
Windely Used Fax Machines, PBX
DC Magnetic Transformer for Electrical Microwave
Ee, Etd, Efd, Er, Ep, Ec, RM, Pq, pH etc.
Grewin EFD High Frequency Transformer
Export Standard Carton or Customize Strong Pallet
CE
China
85043190
Product Description
We have passed ISO9001,CE,SGS approval and IEC report


EFD Series Power Transformer,Switching power supply Transformer for printer


EFD type Transformer Parameters
Table2: EFD type Transformer Parameters

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
4).Flow chart of trading activities:
Contact:
Cathy
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com


EFD Series Power Transformer,Switching power supply Transformer for printer


EFD 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 ; | EFD049 | Phase; | single |
Application; | High-frequency switching power supply and High-frequency inverter power transformer. PBX | ||||
Deliver time; | Within 15 working days | Package; | Customized standard cartons | ||
ATTENTION; | YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT |

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 |
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, ISO9001:2008
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:

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.
1.UL, CUL, CE, ISO9001:2008
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:

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:
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 |
Contact:
Cathy
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com