EPC42 High Quality EPC Core Welding /Welder Transformer for Lighting, Computer, Audio

Product Description
Name:
EPC42 High quality EPC core welding /welder transformer for lighting,computer,audio

EPC42 High Quality EPC Core Welding /Welder Transformer for Lighting, Computer, Audio



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)

 
EPC42 High Quality EPC Core Welding /Welder Transformer for Lighting, Computer, Audio

4). Can make other customized Ferrite transformers:

Power range: core type using N67 grade material
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	
2*	
17.35	
2*	
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	
2*	
17.35	
2*	
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: ** 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:

EPC42 High Quality EPC Core Welding /Welder Transformer for Lighting, Computer, Audio


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

4).Payment terms:

(1). T/T ** 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:
                                                     
Lewis
Tianjin Grewin Technology Co.,Ltd.
Tel: 86-22-84943756
MT:8618622969478
Website