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AC DC Adaptor High Frequency Transformer for Switching Power Supply

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

Product Description

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

BrandName;
GREWINTransformer Corestructure; lamination Coilnumber; Autotransformer
PlaceofOrigin; China CoilMaterial; ferrite Coilstructure; toroidal
Usage; HighFrequency Model: EE Phase; single
Application; High-frequencyswitchingpowersupplyandHigh-frequencyinverterpowertransformer.PBX
Delivertime; Within10workingdays Package; Customizedstandardcartons
ATTENTION; YOUCANCUSTOMIZEDALLSERIERSACCORDINGTOYOURREQUERMENT

Type
Core"E"Dimension
A(mm) B(mm) C(mm) D(mm) E(mm) F(mm)
EE13 12.6 6.5 4.5 3.7 8.9 3.7
EE14 14.3 7.8 5.2 4.3 10.5 4.5
EE16 16.0 8.2 5.7 4.7 11.3 4.7
EE20 20.4 10.1 7.0 5.9 14.1 5.9
EE25 25.0 12.8 8.7 7.5 17.5 7.5
EE30 30.0 15.2 9.7 7.2 19.5 7.3
EE32 32.0 16.4 11.2 9.5 22.7 9.5
EE36 36.0 18.0 12.0 10.2 24.5 11.5
EE42 42.0 21.0 14.8 17.2 29.5 15.2
EE55 55.0 27.8 18.5 17.2 37.5 21.0
EE65 65.0 32.8 22.2 20.0 44.2 27.4
EE70 70.5 33.2 21.9 22.0 48.0 32.0

AC DC Adaptor High Frequency Transformer for Switching Power Supply

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

EPC type Transformer Parameters

Model
Dimension (mm) VA Weight
A B C f=50KHz f=100KHz g
EPC-9.5 10 5.5 10 1.1 2.5 9
EPC-13 14 9 14 5 8 11
EPC-17 19 11 18 14 20 18
EPC-19 20 13 21 18 27 21
EPC-25 27 17 26 36 59 29
EPC-27 29 17 36 52 75 35

ER type Transformer Parameters
ERTransformerSpecification
Model PIN Dimension
A B C+/-0.5 D+/-0.5 E F
ER25.5 8 19.5 19.7 12.5 4 5 25.5
ER28 12 30.5 23 17.5 4 5 31
ER28 12 23.1 28.2 25 4 5 29.1
ER28 12 36 27 20 4 5 30
ER28 12 26.3 37.1 30 4 5 30.2
ER33 14 37.5 28 22.5 4 5 36
ER35 14 43.5 28 22.5 4 5 35.5
ER35 16 29.1 40.3 35.4 4 5 40.3
ER39 16 46 31.1 25 4 5 43.1
ER39 16 33 41.5 30.85 4 7.5 42.3
ER40 16 48 31.1 25 4 5 43.1
ER4215 14 45.5 30 25 4 5 42
ER4220 14 44 37.5 36 4 5 42

PQ type Transformer Parameters
COILFORMERDIMENSIONS(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 astrong 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 7days 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 afirm 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:
Bella
Tianjin Grewin Technology Co.,Ltd.
Website:
Tel:


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