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Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter

China Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter, Find details about China Efd High Frequency Power Transformer, Efd Core Transformer for Lighting from Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter

Model NO.
3VA 10VA 50VA 100VA 150VA 200VA 250VA 300VA
Usage
Efd Transformer for Microcomputer Equipment
Frequency Characteristics
High Frequency
Shape of Core
EE
Brand
Grewin Efd High Frequency Transformer
Electronic Transformer Color
Yellow, Black
Frequency Electronic Transformer
Higher Than 20kHz- 200kHz
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 DC Power Magnetic Transformer
Features
Low Transmission, Strong Anti-Interference, Dist
RM Etd Ee Electronic Transformer
Windely Used Fax Machines, PBX
Efd25 Epcs Ee65 RM10 Transformer
DC Magnetic Transformer for Electrical Microwave
High Frequency Transformer Models Sereis
Ee, Etd, Efd, Er, Ep, Ec, RM, Pq, pH etc.
Trademark
Grewin EFD High Frequency Transformer
Transport Package
Export Standard Carton or Customize Strong Pallet
Specification
CE
Origin
China
HS Code
85043190
Model NO.
3VA 10VA 50VA 100VA 150VA 200VA 250VA 300VA
Usage
Efd Transformer for Microcomputer Equipment
Frequency Characteristics
High Frequency
Shape of Core
EE
Brand
Grewin Efd High Frequency Transformer
Electronic Transformer Color
Yellow, Black
Frequency Electronic Transformer
Higher Than 20kHz- 200kHz
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 DC Power Magnetic Transformer
Features
Low Transmission, Strong Anti-Interference, Dist
RM Etd Ee Electronic Transformer
Windely Used Fax Machines, PBX
Efd25 Epcs Ee65 RM10 Transformer
DC Magnetic Transformer for Electrical Microwave
High Frequency Transformer Models Sereis
Ee, Etd, Efd, Er, Ep, Ec, RM, Pq, pH etc.
Trademark
Grewin EFD High Frequency Transformer
Transport Package
Export Standard Carton or Customize Strong Pallet
Specification
CE
Origin
China
HS Code
85043190
Name:

EFD20 EFD25 EFD30 Type PCB Power High Frequency Audio Transformer SMD for ad to dc converter
Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter

EFD type Transformer Parameters

Brand Name;GREWIN TransformerCore structure;laminationCoil number;Autotransformer
Place of Origin;ChinaCoil Material;ferriteCoil Structure;toroidal
Usage;High FrequencyModel ;EFD049Phase;single
Application;High-frequency switching power supply and High-frequency inverter power transformer. PBX
Deliver time;Within 15 working daysPackage;Customized standard cartons
ATTENTION;YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT

 

Model PinDimension
ABCDE
EFD-128617203.0 13.5
EFD-15107.318.221.352.515
EFD-15107.519.322.63.0 16.7
EFD-20109.425.327.73.7521.7
EFD-20129.72426.8320
EFD-251013.429.735.4525
EFD-251012.629.731.5525
EFD-301212.631.635.5530

 

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 mmTypeElectrical parameter
ABCInductanceOutput power(W)
EE-8.368.08.08.3V100.0uH0.2-3.0
EE-10811.510.210.2V80.0uH0.5-5.0
EE-131012.012.513.0V120.0uH0.5-8.0
EE-16-1614.813.316.0V90.0uH1.0-10.0
EEL-161028.516.021.9V600.0uH2.0-15.0
EE-19-1817.616.019.0V800.0uH3.0-30.0
EEL191031.516.021.1V1200.0uH3.0-30.0
EE-25-1620.018.225.2V2000.0uH3.0-45.0
EEL25835.317.525.2V2800.0uH3.0-45.0
EE-301021.029.230.0H900.0uH3.0-50.0
EE-401427.630.540.0H1500.0uH3.0-55.0
EE-42/15-11233.844.042.0H2000.0uH3.0-80.0
EE-42/20-11245.039.842.0V1900.0uH3.0-90.0
EE-552050.050.055.0H3000.0uH3.0-150.0
EE-651655.251.865.0H4500.0uH3.0-300.0

Table2:EPC type Transformer Parameters

 
ModelDimension (mm)VAWeight
ABCf=50KHzf=100KHzg
EPC-9.5105.5101.12.59
EPC-13149145811
EPC-17191118142018
EPC-19201321182721
EPC-25271726365929
EPC-27291736527535

Table3: ER type Transformer Parameters

 
ER Transformer Specification
ModelPINDimension
ABC+/-0.5D+/-0.5EF
ER25.5819.519.712.54525.5
ER281230.52317.54531
ER281223.128.2254529.1
ER28123627204530
ER281226.337.1304530.2
ER331437.52822.54536
ER351443.52822.54535.5
ER351629.140.335.44540.3
ER39164631.1254543.1
ER39163341.530.8547.542.3
ER40164831.1254543.1
ER42151445.530254542
ER4220144437.5364542

Table4: 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




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 procedure:

The following picture showed you about GREWIN and production line and

electronic exhibition :



Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter

Efd25 Efd30 PCB Power Audio Transformer for AC to DC Converter

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://transformer.en.made-in-china.com

http://transformer.en.made-in-china.com   

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