Ei Series PCB Mouting Low Frequency Transformer for Audio Device

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, Charger, Lamp, Communication Equipment
• Phase: Single
• Core: Shell-type Transformer
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 1.1va 10va 30va 50va 100va 150va 200va 300va 350va
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC, CE
• Usage: Ei Low Frequency Transformer for Audio, Lighting
• Frequency Characteristics: Low Frequency
• Shape of Core: EI
• Brand: Grewin Ei Low Frequency Transformer
• Input Voltage: AC380V-240V-230V-220V-120V-110V-100V
• Different Mounting Types: Lead-Wire Type, Rack Type, Plug-in Type, etc.
• Advantages: Low No-Load Loss, High Efficiency, Low Temperature
• Power: 0.15-1, 500W
• Test: All Products Are 100% Test Passed and Hi-Pot Shock
• Maximum Output: 1.2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 6
• Output: AC(0--380V); DC(0--50V)
• Application1: 1. Measuring Instruments;Communication Prducts. Me
• Design and Custmize: Inductance, Coils, Transformers with Best Quality
• Transport Package: Export Standard Carton or Customize Strong Pallet
• Specification: CE
• Trademark: Grewin
• Origin: China
• HS Code: 85043190
• Production Capacity: 50000PCS

Product Description

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


 

1.Product Specification: 
1). Models:
EI28, EI30, EI35, EI48, EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc.
3). Input:100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc.
4). Output:AC(0--380V); DC(0--50V) 
 

2.Technical ParameterTable:

Brand  Name:	GREWIN Transformer	Mode;	EI	Coil  number:	Autotransformer
Phase:	Single	Core structure	Lamination	Coil  structure:	Toroidal
Power:	0.15-1,500W		Input Voltage	AC380V-240V-230V-220V-120V-110V-100V
Application	Instruments ;Communication  products		Output Voltage	AC(0--380V); DC(0--50V)
Deliver  time	15 working days		Package	Customized standard cartons
ATTENTION:	YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT

 

Model	Power	Dimension(cm)					Weight  (KG)	Voltage    regulation	Approval mark
		A(cm) ±1.5	B(cm) ±2	C(cm) ±2	D(cm) ±2	E(cm) ±2
GWT-EI28	1.5W	43		30	38	28	0.11	35	CE,TUV,
GWT-EI35	3.0W	47		37	38	33	0.15	22	CE,TUV,
GWT-EI41	11.0W	54		43	47	35	0.32	16.5	CE,TUV,
GWT-EI48	25.0W	62		50	65	43	0.57	13.1	CE,TUV,
GWT-EI57	40.0W	73		59	65	51	0.84	11.8	CE,TUV,
GWT-EI66	80.0W	83		68	80	58	1.38	9.3	CE,TUV,
GWT-EI76	140W	64	70	76	85	68	2.25	7.6	CE,TUV,
GWT-EI86	180W	72	75	86	92	73	2.82	7.1	CE,TUV,
GWT-EI96	250W	80	81	96	90	82	3.36	6	CE,TUV,

3.Product Feature :

1). Easy to install.
2). Lower power consumption.
3). Little temperature rising.
4). High accuracy of output voltage.
5). Diemension and output leads can be customized.
6). Dielectronic Strength is high. 

4.Application 
1). Measuring instruments.
2).Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator 


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.Production
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:


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

Contact us:                                                    
Cathy

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