Tianjin, China
Business Type:
Manufacturer/Factory
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, ...
Plant Area:
501~1000 square meters
Management System Certification:
ISO 9001
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
OEM/ODM Service
Sample Available
MEI Awards

RM Ferrite Core Transformer, Etd High Frequency Tranformer, Efd Voltage Transformer manufacturer / supplier in China, offering RM Etd Efd Frerrite Core Transformer for Switching Power Supply, 10va-25va Encapsulated PCB Mounted 50 Hz Low Frequency Toroidal Trannsformer for PCB, 1mv/a Rated Output 2000A Maximum Primary Current Clamp-on Core Design Safer Current Probe for Power Fault Test and so on.

Gold Member Since 2011
Audited Supplier

RM Etd Efd Frerrite Core Transformer for Switching Power Supply

Get Latest Price
Purchase Qty. / Reference FOB Price
500-999 Pieces US $1.5
1,000-2,999 Pieces US $1.2
3,000+ Pieces US $0.9
Port: Tianjin, China
Production Capacity: 50000 /Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, cash
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, Communication
Phase: Single
Core: RM Efd Etd
Cooling Method: Dry-type Transformer
Winding Type: Auto-transformer
Certification: ISO9001-2000, UL, ISO9001, CCC, Ce

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Basic Info

Model NO.
GWRM12, GWETD49, GWETD59, GWEFD25
Usage
Single-phase Transformer
Frequency Characteristics
High Frequency
Shape of Core
EE
Brand
Grewin High Frequency Transformer
Type
High Frequency Transformer
Frequency
Higher Than 200kHz
Test Process1
Leakage Indutance Test, DC Resistance Test
Coil Number
3va 6va 10va 30va 100va
Application1
Communication Lighting
Trademark
Grewin EFD High Frequency Transformer
Transport Package
Export Standard Carton with Strong Pallet
Specification
VDE, CE
Origin
Tianjin
HS Code
85043190
Table1: RM type Transformer Parameters
RM Etd Efd Frerrite Core Transformer for Switching Power Supply

RM Etd Efd Frerrite Core Transformer for Switching Power Supply

Table2: EFD type Transformer Parameters
RM Etd Efd Frerrite Core Transformer for Switching Power Supply
Model PinDimension
ABCDE
EFD-128617203.0 13.5
EFD-15107.318.221.352.515
EFD-15107.519.322.63.0 16.7
EFD-20109.425.327.73.7521.7
EFD-20129.72426.8320
EFD-251013.429.735.4525
EFD-251012.629.731.5525
EFD-301212.631.635.5530

RM Etd Efd Frerrite Core Transformer for Switching Power Supply



Table3: ETD type Transformer Parameters

RM Etd Efd Frerrite Core Transformer for Switching Power Supply

 
HORIZONTAL COILFORMER  DIMENSIONS (mm)  

TYPE 











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 


ETD39 

44.6 

28.9 

15.1 

13.1 

-

37 

4.5 

47.8 

28.2 

25.7 


ETD44 

49.6 

31.9 

17.7 

15.5 

-

39.9 

4.5 

52.2 

32 

29.5 


ETD49 

54.5 

35.7 

19.2 

17 

-

42.4 

4.5 

57.2 

35.2 

32.7 


ETD54 

61.5 

39.15 

22 

19.8 

-

46 

4.5 

61.5 

39.3 

36.8 


ETD59 

66.9 

42.65 

24.9 

22.4 

-

49.2 

4.5 

66.4 

43.7 

41.2 

1 

RM Etd Efd Frerrite Core Transformer for Switching Power Supply


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.

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:www.grewin-tech.com
Tel:86-22-84943756
 

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