Ee Type High Frequency Power Transformers for Audio

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Model NO.: EE13 EE16 EE20 EE25 EE30 EE70
• Core: Ee Core
• Cooling Method: Dry-type Transformer
• Winding Type: Multi-winding Transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Single-phase Transformer
• Frequency Characteristics: High Frequency
• Shape of Core: EE
• Brand: Grewin High Frequency Transformer
• Type: High Frequency Transformer
• Applicable Frequency Range: 20 to 100kHz
• Operating Frequency: Higher Than 200kHz
• Transport Package: Export Standard Carton with Strong Pallet
• Specification: VDE, CE, ROHS
• Trademark: Grewin
• Origin: Tianjin
• HS Code: 85043190
• Production Capacity: 50000 /Month

Product Description

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 a dual E-core, center-leg air-gapped, split-primary-wound transformer designed to step up a 9vdc nominal supply to 120vdc (max) using a flyback configured DC-DC converter circuit.

EE type high frequency  transformer size:

E COILFORMERS 

 

HORIZONTAL COILFORMER  DIMENSIONS (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 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

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 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

Contact:                                                       
Cathy
  
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
Tel:[phone]