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Electronic High Voltage Transformer for Audio

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Required Quantity

Place of Origin: China

Brand name: GW

Payment Terms: L/C,T/T

Production method: Negotiable

Shipping / Lead Time: Negotiable / Negotiable

Keyword: high frequency, supply, transformer, switching power

Category: Passive Components

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Tianjin Grewin Technology Co.,Ltd

Membership: PRO

Country / Year Established: China / 2000

Business type: Manufacturer

Verified Certificate: 6

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PRODUCT DESCRIPTION COMPANY INFORMATION Related Products

Product name	Electronic High Voltage Transformer for Audio	Certification	-
Category	Passive Components	Ingredients	-
Keyword	high frequency , supply , transformer , switching power	Unit Size	-
Brand name	GW	Unit Weigh	-
origin	China	Stock	-
Supply type	-	HS code	-

Product Information

Basic Info

Model NO.: RM PQ ER EE ETD EPC EFD Transformer

Usage: Single-phase Transformer

Frequency Characteristics: High Frequency

Shape of Core: Ee,Er,Efd,Etd,EPC,Pq,RM

Brand: Grewin

Type: High Frequency Transformer

Indicative Power Capacity: UL Insulation System for Class B (130), F (155), H

Coil Number: High Magnetic Flux and Low Loss Magnetic Materials

Trademark: Grewin High Frequency Transformer

Transport Package: Export Standard Carton With Strong Pallet

Specification: VDE, CE

Origin: Tianjin

HS Code: 85043190

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
Type	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
Model	Pin	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
Model	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

ER type Transformer Parameters

ER Transformer Specification
Model	PIN	Dimension
Model	PIN	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

PQ type Transformer Parameters

COILFORMER DIMENSIONS (mm)

TYPE

PQ20/16

23.15

17.35

23.15

20.3

2.5

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

3.8

5.1

13.85

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

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

37.4

22.4

16.9

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.

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

B2B Trade

Price (FOB)	Negotiable	transportation	-
MOQ	Negotiable	Leadtime	Negotiable
Payment Options	L/C,T/T	Shipping time	Negotiable

Tianjin Grewin Technology Co.,Ltd

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Country / Year Established: China / 2000

Membership: PRO

Business type: Manufacturer

President: Mrs.Lee

Address: Hexi Distr, Tianjin, China

Product Category: Passive Components

Year Established: 2000

No. of Total Employees: 101-500

Company introduction: Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First".

Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc .

The transformers are windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of our products exported to America, Europe, and Asia etc.

We have passed ISO9001,CE,SGS approval and IEC report and developed good cooperative relationship with valued customers around product quality and value-added service along with the fast efficient solution.Grewin has won a lot of customer's praise.