Ee Type High Frequency Power Transformers for Audio

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We have passed ISO9001:2015,CE,SGS approval and IEC report




Product: high frequency transformers
Types:EE
Usage: suitable for EL/CCFL inverter or DC/DC converter
Prototype, medium and high quantity are available
A wide range of frequency requirements for choice
Customized designs are welcome, and we will meet your specifications

This is adual E-core, center-leg air-gapped, split-primary-wound transformer designed to step up a9vdc nominal supply to 120vdc (max) using aflyback configured DC-DC converter circuit.

EE type high frequencytransformer size:

E COILFORMERS HORIZONTAL COILFORMERDIMENSIONS (mm) TYPE A B C D E F G H I J K L M N O E13 14.2 8.7 3.9 10.3 3.5 3.9 1.6 - 8.7 0.6 0.6 5.1 0.45 16.2 5.1 E16 17.8 11.1 4.9 12.1 3.5 4.9 1.6 - 11.2 0.6 0.6 6.1 0.45 20 6.1 E20 22 13.9 6.1 14.6 3.5 6.1 2 - 13.7 0.6 0.6 7.6 0.45 21.2 7.6 E25 27.5 17.3 7.7 17.8 3.5 7.7 2.2 - 17 0.7 0.7 9.4 0.7 28 9.4 E30 35.4 19.2 7.5 20 3.5 7.5 2.6 - 19.1 0.8 0.8 8.9 0.7 31.4 8.9 E32 37.5 22.4 9.8 23 3.5 9.8 3 - 21.9 0.9 0.9 11.6 0.7 35 11.6 E36 38.5 24.2 10.6 27.7 3.5 11.7 3 - 23.5 1 1 14 0.7 37.4 12.8 E42 29.2 29.2 13 35 - 15.8 - 6 28.1 0.9 0.9 17.4 1x 0.4 37.5 15.1 E55 37 37 17.7 44 - 21.7 - 6 35.4 1 1 23.6 1x 0.4 43.5 20.3 E65 43.7 43.7 20.5 53.5 - 27.8 - 6.8 37.2 1 1 30.6 - 48.4 22.8 E70 50 46 23.4 58 - 32.7 - 6 41.5 1.5 1.5 34.9 - 53.8 25.6

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

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 ".
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

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