China EPC Type Power Transformer for Audio Device

Model NO.: 3va 10va 50va 100va 150va 200va 250va 300va
Usage: EPC Transformer for Microcomputer Equipment
Frequency Characteristics: High Frequency
Shape of Core: EPC
Brand: Grewin EPC High Frequency Transformer
EPC13: High Frequency Transformer
Frequency Electronic Transformer: Higher Than 20kHz- 200kHz
Alibaba Transformer Materials: High Magnetic Flux and Low Loss Magnetic Materials
Electronic Transformer Application: PCB Circuits, Computer, TV, Monitor, Scanner
Insulation: UL Insulation System for Class B (130), F (155), H
Magnetic Electronic Transformer: EPC Ep Er Power Magnetic Transformer Alibaba
Features: Low Transmission, Strong Anti-Interference, Dist
Power Range: Core Type Using N67 Grade Material
Indicative Power Capacity: UL Insulation System for Class B (130), F (155)
High Frequency Transformer Models Sereis: Ee, Etd, Efd, Er, Ep, Ec, RM, Pq, pH etc.
Trademark: Grewin EPC High Frequency Transformer
Specification: CE
Origin: China
HS Code: 85043190
Name:

China EPC Type Power Transformer for Audio Device


EPC type Transformer Parameters
 

CORE DIMENSIONS (mm)

TYPE
A
B
C
D
E
F
G

EPC7
6.5
1.7
3.4
7.2
7.5
5
9.4

EPC10
7.85
1.85
3.45
9.2
10.4
7.2
11.8

EPC13
9
2.4
4.5
9.7
13
9
12.8

EPC17
11.25
3.25
5.85
11.6
17
11
18.4

EPC20
15.3
4.5
9
16.1
21.6
14
24.5




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


 
 

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



Other Related High Frequency Transformer Parameters:

Table1: EE type Transformer Parameters

EE type transformer
Part No. Terminal
  Pins		 Dimension mm Type Electrical parameter
A B C Inductance Output power(W)
EE-8.3 6 8.0 8.0 8.3 V 100.0uH 0.2-3.0
EE-10 8 11.5 10.2 10.2 V 80.0uH 0.5-5.0
EE-13 10 12.0 12.5 13.0 V 120.0uH 0.5-8.0
EE-16-1 6 14.8 13.3 16.0 V 90.0uH 1.0-10.0
EEL-16 10 28.5 16.0 21.9 V 600.0uH 2.0-15.0
EE-19-1 8 17.6 16.0 19.0 V 800.0uH 3.0-30.0
EEL19 10 31.5 16.0 21.1 V 1200.0uH 3.0-30.0
EE-25-1 6 20.0 18.2 25.2 V 2000.0uH 3.0-45.0
EEL25 8 35.3 17.5 25.2 V 2800.0uH 3.0-45.0
EE-30 10 21.0 29.2 30.0 H 900.0uH 3.0-50.0
EE-40 14 27.6 30.5 40.0 H 1500.0uH 3.0-55.0
EE-42/15-1 12 33.8 44.0 42.0 H 2000.0uH 3.0-80.0
EE-42/20-1 12 45.0 39.8 42.0 V 1900.0uH 3.0-90.0
EE-55 20 50.0 50.0 55.0 H 3000.0uH 3.0-150.0
EE-65 16 55.2 51.8 65.0 H 4500.0uH 3.0-300.0


Table2:ER type Transformer Parameters

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

Table3: 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




Table4: 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




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 ".


2)Product Process:

  Follow pictures show our products line:





3).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.


4).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.

5).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




PLZ Contact us:

                                                     
Alice
Tianjin Grewin Technology Co.,Ltd.
Tel: 86-22-84943756
MT:8613072088960
Website:
http://www.grewin-tech.com
http://grewin-tech.en.alibaba.com   

 

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