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

AC DC Adaptor Transformer, High Frequency Tranformer, Power Supply Transformer manufacturer / supplier in China, offering AC DC Adaptor High Frequency 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

AC DC Adaptor High Frequency Transformer for Switching Power Supply

Get Latest Price
Purchase Qty. / Reference FOB Price
300-999 Pieces US $1.5
1,000-2,999 Pieces US $1.3
3,000+ Pieces US $1
Port: Tianjin, China
Production Capacity: 50000 PCS /Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, for PCB Circuits, Computer, TV, Monitor
Phase: Single
Core: Ee,Er,Efd,Etd,EPC,Pq,RM
Cooling Method: Dry-type Transformer
Winding Type: Multi-winding Transformer
Certification: UL, ISO9001, CCC, ISO9001:2015,Ce,SGS, IEC

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Basic Info

Model NO.
RM PQ ER EE ETD EPC EFD Transformer
Usage
Single-phase Transformer
Frequency Characteristics
High Frequency
Shape of Core
Ee,Er,Efd,Etd,EPC,Pq,RM
Brand
Grewin
Type
High Frequency Transformer
Indicative Power Capacity
UL Insulation System for Class B (130), F (155), H
Coil Number
High Magnetic Flux and Low Loss Magnetic Materials
Trademark
Grewin High Frequency Transformer
Transport Package
Export Standard Carton With Strong Pallet
Specification
VDE, CE
Origin
Tianjin
HS Code
85043190

We have passed ISO9001:2015,CE,SGS approval and IEC report
AC DC Adaptor High Frequency Transformer for Switching Power Supply
AC DC Adaptor High Frequency Transformer for Switching Power Supply

 


EE type Transformer Parameters

Brand  Name;
GREWIN TransformerCore structure;laminationCoil  number;Autotransformer
Place of Origin;ChinaCoil Material;ferriteCoil  structure;toroidal
Usage;High FrequencyModel :EEPhase;single
Application;High-frequency switching power supply and High-frequency inverter power transformer. PBX
Deliver  time;Within 10 working daysPackage;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)
EE1312.66.54.53.78.93.7
EE1414.37.85.24.310.54.5
EE1616.08.25.74.711.34.7
EE2020.410.17.05.914.15.9
EE2525.012.88.77.517.57.5
EE3030.015.29.77.219.57.3
EE3232.016.411.29.522.79.5
EE3636.018.012.010.224.511.5
EE4242.021.014.817.229.515.2
EE5555.027.818.517.237.521.0
EE6565.032.822.220.044.227.4
EE7070.533.221.922.048.032.0

 AC DC Adaptor High Frequency Transformer for Switching Power Supply

EFD type Transformer Parameters
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
AC DC Adaptor High Frequency Transformer for Switching Power Supply

EPC type Transformer Parameters

Model
Dimension (mm)VAWeight
ABCf=50KHzf=100KHzg
EPC-9.5105.5101.12.59
EPC-13149145811
EPC-17191118142018
EPC-19201321182721
EPC-25271726365929
EPC-27291736527535

ER type Transformer Parameters
ER Transformer Specification
ModelPINDimension
ABC+/-0.5D+/-0.5EF
ER25.5819.519.712.54525.5
ER281230.52317.54531
ER281223.128.2254529.1
ER28123627204530
ER281226.337.1304530.2
ER331437.52822.54536
ER351443.52822.54535.5
ER351629.140.335.44540.3
ER39164631.1254543.1
ER39163341.530.8547.542.3
ER40164831.1254543.1
ER42151445.530254542
ER4220144437.5364542

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
AC DC Adaptor High Frequency 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.

Production:

The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
AC DC Adaptor High Frequency Transformer for Switching Power Supply
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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