Audited Supplier
1.Tianjin Grewin Certiifcates:
We have abtained CB,CE,IEC etc.,ISO9001 approval .we guarantee quality is the first.
2.Transformers Name:
1)High efficiency Toroidal Transformer for Amplifier,winding machine and equipments
a.Technical parameters
| Power | Input Voltage(V) | Output Voltage(V) | Dimension OD*H(mm) | Weight (kg) | |||
| GWB50VA | 220V (230V) | 12V | 80*38 | 0.74 | |||
| GWB100VA | 220V (230V) | 12V | 95*45 | 1.25 | |||
| GWB200VA | 220V (230V) | 12V | 112*52 | 2.05 | |||
| GWB250VA | 220V (230V) | 12V | 118*54 | 3.36 | |||
| GWB500VA | 220V (230V) | 12V | 140*65 | 4.2 | |||
| GWB1000VA | 220V (230V) | 12V | 170*75 | 7.2 | |||
| GWB1500VA | 220V (230V) | 12V | 180*85 | 9.75 | |||
| GWB2000VA | 220V (230V) | 12V | 185*105 | 12 | |||
| GWB3000VA | 220V (230V) | 12V | 200*120 | 16.6 | |||
| GWB5000VA | 220V (230V) | 12V | 230*135 | 24 | |||
| Toroidal Transformer | |||||||
| Power | Dimension (mm) | Efficiency % | Current | Weight | |||
| GWB20VA | 60*25 | >82 | 10mA | 1.200.45kgs | |||
| GWB30VA | 65*35 | >84 | 10mA | 1.200.50kgs | |||
| GWB50VA | 70*40 | >88 | 20mA | 1.151.30kgs | |||
| GWB100VA | 85*60 | >90 | 30mA | 1.151.50kgs | |||
| GWB120VA | 90*75 | >93 | 40mA | 1.102.00kgs | |||
| GWB200VA | 110*80 | >93 | 100mA | 1.102.80kgs | |||
| GWB300VA | 120*80 | >94 | 150mA | 1.083.50kgs | |||
| GWB500VA | 130*80 | >94 | 150mA | 1.085.00kgs | |||
| GWB800VA | 140*85 | >94 | 200mA | 1.086.50kgs | |||
| GWB1000VA | 140*85 | >95 | 300mA | 1.058.50kgs | |||
| GWB1500VA | 160*90 | >95 | 400mA | 1.0512.0kgs | |||
| GWB2000VA | 180*90 | >95 | 400mA | 1.0515.0kgs | |||
| GWB4000VA | 220*95 | >95 | 500mA | 1.0520.0kgs | |||
| GWB6000VA | 250*95 | >95 | 500mA | 1.0525.0kgs | |||
2)Minature toroidal Transformer :2.5VA-15VA
3. Test process:No-load test (included no-load voltage,no load current and no load loss)
iInductive voltage test
Load test (load voltage and temperature rise
Temperature rise test .
Insulated resistance
Hi-pot test
Leakage indutance test
DC resistance test
CLASS H 180 Degree HIGH STANDARD TOROIDAL TRANSFORMER FOR MEDICAL EQUIPMENT:
5. POWER TOROIDAL TRANSFOMRER APPLICATION:
03)Flyback Transformer Voltage Electrical Electronic Transformer for Power Switching supply
EFD RM PQ EE PCB mount transformer high frequency transformer 220v ac 12v power transformer Electric Power ferrite electronic Transformers for power supply
a. Their input voltage can be different to meet requirements of various regions: AC380V-240V-230V-220V-120V-110V-100V.
b. Special designs are also available to meet customers' requirements.
Power Capacity Chart:
Power range (W)Core type using N67* grade material
<5RM4; P11/7; EF12.6; U10
5-10E(F)16; RM5; P14/8
10-20RM6; E(F)20; P18; U15; EFD15
20-50RM8; P22; RM10 ETD29; E25; EFD20
50-100ETD29; ETD34; RM12; P30; EFD25
100-200ETD34; ETD39; ETD44; P36; E30; E42; EFD30
200-500ETD44; ETD49; E55
>500ETD54; ETD59; E65
PQ20. PQ32. PQ35 etc.
The power capacity of each core type varies due to differences in topology, operating frequency and temperature, flux density, and material grade.
* highest class material grade
ETD type Transformer Parameters
Model | Output power : W |
ETD29 | 30-90 |
ETD34 | 30-90 |
ETD39 | 20-500 |
ETD44 | 20-800 |
ETD49 | 20-800 |
ETD59 | 400-2000 |
EE type Transformer Parameters:
| EE type transformer | |||||||
| Part No. | Terminal Pins | Dimension mm | Type | Electrical parameter | |||
| A | B | C | Inductance | Output power(W) | |||
| EE-8.3 | 6 | 8.0 | 8.0 | 8.3 | V | 100.0uH | 0.2-3.0 |
| EE-10 | 8 | 11.5 | 10.2 | 10.2 | V | 80.0uH | 0.5-5.0 |
| EE-13 | 10 | 12.0 | 12.5 | 13.0 | V | 120.0uH | 0.5-8.0 |
| EE-16-1 | 6 | 14.8 | 13.3 | 16.0 | V | 90.0uH | 1.0-10.0 |
| EEL-16 | 10 | 28.5 | 16.0 | 21.9 | V | 600.0uH | 2.0-15.0 |
| EE-19-1 | 8 | 17.6 | 16.0 | 19.0 | V | 800.0uH | 3.0-30.0 |
| EEL19 | 10 | 31.5 | 16.0 | 21.1 | V | 1200.0uH | 3.0-30.0 |
| EE-25-1 | 6 | 20.0 | 18.2 | 25.2 | V | 2000.0uH | 3.0-45.0 |
| EEL25 | 8 | 35.3 | 17.5 | 25.2 | V | 2800.0uH | 3.0-45.0 |
| EE-30 | 10 | 21.0 | 29.2 | 30.0 | H | 900.0uH | 3.0-50.0 |
| EE-40 | 14 | 27.6 | 30.5 | 40.0 | H | 1500.0uH | 3.0-55.0 |
| EE-42/15-1 | 12 | 33.8 | 44.0 | 42.0 | H | 2000.0uH | 3.0-80.0 |
| EE-42/20-1 | 12 | 45.0 | 39.8 | 42.0 | V | 1900.0uH | 3.0-90.0 |
| EE-55 | 20 | 50.0 | 50.0 | 55.0 | H | 3000.0uH | 3.0-150.0 |
| EE-65 | 16 | 55.2 | 51.8 | 65.0 | H | 4500.0uH | 3.0-300.0 |
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 |
01). 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 .
02).High Frequency electrical electronic transformers Applications:
1.PCB circuits
2.,computer, TV,
3.monitor, scanner,
4.duplicator, mobile adapters,
5.printer and other equipments and
instruments.
UL insulation system for Class B (130), F (155), H (180)
03). Can make other customized RM type Ferrite transformers:
| 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 |
Product Description:
1.Product Specification:
1). Models:
EI28, EI30, EI35, EI41, EI48,EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 4W,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 Parameter Table:
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.Application:
1). Measuring instruments.
2). Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator
6). Machinery
1). Application:
1. audio equipment
2. electric control
3. computer
4.instrument
5.telecommunications
6.high-end and middle-end vedio etc
2). Advantages:
1.High quality 100% copper core2.a full range of toroidal transformer
3.Specially sales and technical services:5-10Years
4.With 14 years' producing history in transformer induatry
5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.
3).Note
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.
4).GREWIN'S Dimension :
External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98%
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)
4.product procedure
The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:
About us:
1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
2.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 Information:
Alice
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
