Customized Switching Power High Transformers for Microcomputer Equitpment

• Customization: Available
• Application: Electronic, Instrument, Position Sensor, Audio, Lighting
• Type: Combined Transformer
• Model NO.: GWEE13, GWPQ20, GWEFD12 etc.
• Operation Condition: Indoor
• Usage: Measurement
• Winding Form: Multilayer Honeycomb Type
• Insulating Medium: Epoxy Resin
• Installation: Active Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Input Voltage Range: AC380V-240V-230V-220V-120V-110V-100V.
• Power Range: Core Type Using N67 Grade Material
• Operating Temperature Range: -20 to +45
• Etd Transformer Series: Etd29,34,39,44,49
• Pq Series: Pq20,Pq32,Pq35
• Transport Package: Export Standard Carton with Strong Pallet
• Specification: VDE, CE
• Trademark: Grewin High Frequency Transformer
• Origin: Tianjin
• HS Code: 85043190
• Production Capacity: 100000 /Month

Product Description

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


 

EE type Transformer Parameters

Brand  Name;	GREWIN Transformer	Core structure;	lamination	Coil  number;	Autotransformer
Place of Origin;	China	Coil Material;	ferrite	Coil  structure;	toroidal
Usage;	High Frequency	Model :	EE	Phase;	single
Application;	High-frequency switching power supply and High-frequency inverter power transformer. PBX
Deliver  time;	Within 10 working days		Package;	Customized standard cartons
ATTENTION;	YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT

 

Type	Core "E"  Dimension
	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)
EE13	12.6	6.5	4.5	3.7	8.9	3.7
EE14	14.3	7.8	5.2	4.3	10.5	4.5
EE16	16.0	8.2	5.7	4.7	11.3	4.7
EE20	20.4	10.1	7.0	5.9	14.1	5.9
EE25	25.0	12.8	8.7	7.5	17.5	7.5
EE30	30.0	15.2	9.7	7.2	19.5	7.3
EE32	32.0	16.4	11.2	9.5	22.7	9.5
EE36	36.0	18.0	12.0	10.2	24.5	11.5
EE42	42.0	21.0	14.8	17.2	29.5	15.2
EE55	55.0	27.8	18.5	17.2	37.5	21.0
EE65	65.0	32.8	22.2	20.0	44.2	27.4
EE70	70.5	33.2	21.9	22.0	48.0	32.0

 

EFD type Transformer Parameters

Model	Pin	Dimension
		A	B	C	D	E
EFD-12	8	6	17	20	3.0	13.5
EFD-15	10	7.3	18.2	21.35	2.5	15
EFD-15	10	7.5	19.3	22.6	3.0	16.7
EFD-20	10	9.4	25.3	27.7	3.75	21.7
EFD-20	12	9.7	24	26.8	3	20
EFD-25	10	13.4	29.7	35.4	5	25
EFD-25	10	12.6	29.7	31.5	5	25
EFD-30	12	12.6	31.6	35.5	5	30

EPC type Transformer Parameters

Model	Dimension (mm)			VA		Weight
	A	B	C	f=50KHz	f=100KHz	g
EPC-9.5	10	5.5	10	1.1	2.5	9
EPC-13	14	9	14	5	8	11
EPC-17	19	11	18	14	20	18
EPC-19	20	13	21	18	27	21
EPC-25	27	17	26	36	59	29
EPC-27	29	17	36	52	75	35

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

ER type Transformer Parameters

ER Transformer Specification
Model	PIN	Dimension
		A	B	C+/-0.5	D+/-0.5	E	F
ER25.5	8	19.5	19.7	12.5	4	5	25.5
ER28	12	30.5	23	17.5	4	5	31
ER28	12	23.1	28.2	25	4	5	29.1
ER28	12	36	27	20	4	5	30
ER28	12	26.3	37.1	30	4	5	30.2
ER33	14	37.5	28	22.5	4	5	36
ER35	14	43.5	28	22.5	4	5	35.5
ER35	16	29.1	40.3	35.4	4	5	40.3
ER39	16	46	31.1	25	4	5	43.1
ER39	16	33	41.5	30.85	4	7.5	42.3
ER40	16	48	31.1	25	4	5	43.1
ER4215	14	45.5	30	25	4	5	42
ER4220	14	44	37.5	36	4	5	42

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, ISO9001:2015
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.

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

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]