Specifications 1. Easy to install.2. Lower power consumption.3. High accuracy of output voltage.4. Dimension and output leads can be customized

1.We have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China, We guarantee quality is the first:  2. A---EI PCB Type coilformers: EI-core power transformers, high-quality low-power silicon steel design with load loss, high output power, high efficiency, low temperature and high safety performance.Companies of various specifications according to customer demand for customized transformers.  

Needle and wound skeleton Power Number List
Core Model		Bobbin	Volume	Pin distrance	Pin distrance	Line dis	Size	PIN
EI19		29	0.8-1.3	6*2	4*3	34	40*21*17	RYZ(3+4)
EI24		18	1.0-1.2	5*3	5*3	14	25*21*32	RYZ(4+4)
EI28		10	0.5---0.65	5*3	7.5*2	18	30*23*27	RYZ(4+4)
		11	0.7---0.8	6*2	6*2	22	30*27*27	RYZ(3+3)
		12	0.8---0.9	5*4	5*4	20	29*26*25	RYZ(5+5)
		14	1.1-1.3	7.5*2	7.5*2	22.5	29*27*26	RYZ(3+3)
		17	1.5--2.0	7.5*2	7.5*2	22.5	30*30*26	RYZ(3+3)
EI30		12.5	1.5---2	5*4	5*4	20	31*28*27	RYZ(5+5)
EI35		11	1.5---2.0	5*4	5*4	20.5	37*33*30	RYZ(5+5)
		12.5	1.2---1.5	5*3	4	22.5	36*31*30	RYZ(5+5)
		14	1.8---2.5	5*4	5*4	21	36*31*33	RYZ(5+5)
		15	2---2.5	5*4	5*4	21.5	36*31*34	RYZ(5+5)
EI41		17	4---5	6.5*4	8.5*2	30	42*34*37	LBW(4+4)
		22	7---8	7.5*5	5*2	23	42*34*41	LYZ(4+5)
EI48		35	28---31	4*6	4*6	45.5	49*52*42	RYZ(6+7)

  Note: L indicates cold pin; Y represents circular needle; Z represents a straight pin; R represents the thermal pin; W said looper; F policy. B flat needles . B.Lead Wire Type:    
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)
3.Equipment:     Automatic Winding Machine
. Semi-automatic Winding Machine
. Insert Lamination Machine
. Wave Soldering Machine
. Plastic Termal Ultraviolet Machine
   Transformer Multitester for High & Low Frequency
 Layer Insulation Withstand Voltage Tester 4.Quality System:  Strictly implement the criteria of OQC, IPQC and IQC procedures as per the documental   instruction, and determine the methods needed to ensure that both the operation and   control of the processes are effective.   5. The following picture showed you about GREWIN and production line and   electronic exhibition :    About us:   Tianjin Grewin Technology Co.,ltd. has always placed great emphasis on our core   business philosophy "Quality and Honesty First ".
    6.Contact Name Card: