Basic Info.
Model NO.
GWHF
Cooling Method
Dry-type Transformer
Winding Type
Multi-winding Transformer
Certification
ISO9001
Usage
Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics
High Frequency
Shape of Core
Ee, Er, Efd, Etd, EPC, Pq
Brand
Grewin Transformer
Type
High Frequency Transformer
Transport Package
Export Standard Carton with Strong Pallet
Specification
Customized Size
Trademark
GW
Origin
Tianjin China
HS Code
85043190
Production Capacity
50000 Pieces Per Month
Product Description
Basic Info
Model NO.: PQ ER EE ETD EPC EFD TransformerUsage: 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
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 |
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 |
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 |
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. High magnetic flux and low loss magnetic materials. With low leakage inductance and high efficiency .
2).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)
3). 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
4)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:
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:
We have passed ISO9001:2015,CE,SGS approval and IEC report
Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
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.
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:
Bella
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com