RM Etd Efd Frerrite Core Transformer for Switching Power Supply
Table2: 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 |
Table3: ETD type Transformer Parameters
| HORIZONTAL COILFORMERDIMENSIONS (mm) | |||||||||||
TYPE |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
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 |
1 |
ETD39 |
44.6 |
28.9 |
15.1 |
13.1 |
- |
37 |
4.5 |
47.8 |
28.2 |
25.7 |
1 |
ETD44 |
49.6 |
31.9 |
17.7 |
15.5 |
- |
39.9 |
4.5 |
52.2 |
32 |
29.5 |
1 |
ETD49 |
54.5 |
35.7 |
19.2 |
17 |
- |
42.4 |
4.5 |
57.2 |
35.2 |
32.7 |
1 |
ETD54 |
61.5 |
39.15 |
22 |
19.8 |
- |
46 |
4.5 |
61.5 |
39.3 |
36.8 |
1 |
ETD59 |
66.9 |
42.65 |
24.9 |
22.4 |
- |
49.2 |
4.5 |
66.4 |
43.7 |
41.2 |
1 |
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
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 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:
Amy
Tianjin Grewin Technology Co.,Ltd.
Website:
Tel:
Send product request
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