Ferrite Core Transformer for DC-DC Converters
Name:
Ee High Frequency Transformer for PCB Circuits
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 |
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: 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 |
Table2: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 |
Table3: 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 |
Table4: 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 |
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).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 |
PLZ Contact us:
Amy Tianjin Grewin Technology Co.,Ltd. Tel: Mobile: Website: |
Send product request
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