OKD Transformer is distinguished by her low temp,low rise,high efficiency,easy mounting and high reliability etc.
TOROIDAL TRANSFORMERS
1. Toroidal power transformer for lighting.
2. Toroidal power transformer for audio amplifiers.
3. Toroidal power transformer for solar inverter.
4. Toroidal power transformer for audio and video product.
5. Toroidal power transformer for pure sine wave inverter
6. Toroidal power transformer for UPS etc.
PARAMETERS FOR YOUR REFERENCE
| Rated Power |
Outside Dimension |
Weight |
Temp Rise |
Approval |
| VA |
DxH(mm) |
KG |
ºC |
| 60 |
80x40 |
0.92 |
48 |
UL/CE/RoHS/CQC |
| 100 |
95x42 |
1.15 |
52 |
UL/CE/RoHS/CQC |
| 200 |
112x55 |
2.25 |
55 |
UL/CE/RoHS/CQC |
| 250 |
118x55 |
3.4 |
55 |
UL/CE/RoHS/CQC |
| 500 |
140x65 |
4.22 |
58 |
UL/CE/RoHS/CQC |
| 1000 |
170x78 |
7.5 |
60 |
UL/CE/RoHS/CQC |
| 1500 |
180x85 |
9.73 |
62 |
UL/CE/RoHS/CQC |
| 2000 |
185x110 |
12.85 |
64 |
UL/CE/RoHS/CQC |
| 3000 |
200x125 |
17.2 |
68 |
UL/CE/RoHS/CQC |
| 5000 |
230x138 |
24.88 |
68 |
UL/CE/RoHS/CQC |
Toroidal transformer, Toroid transformer, ring transformer features:
Basic data:
* Capacity: 60VA - 5000VA
* Phase: single
* Input voltage: AC power with voltages of various countries
* Output voltage: AC, according to customers' requirement
* Frequency: 50/60Hz
* Power factor: 0.9 to 0.98
* Efficiency: 75 to 98%
* Voltage Regulation: 12 - 3%
* Output no-load loss: 0.5 to 10.0W
* Temperature-rise: ≤85°C
* Insulation class: H, 155°C; B, 130°C; E, 120°C
General features:
* 100% QC from raw material to finished products
* Good price-function ratio
* Reliable performance and safety
* Small volume and low weight
* Low mechanical hum
* Good shielding performance, low magnetic leakage
* Dimension adjusted freely
* Easy to mount and fasten
* Excellent workmanship
Testing items:
* No-load test (no-load current, no-load voltage, no-load loss)
* Load test (load voltage, temperature-rise)
* Inductive voltage test
* DC resistance test
* Safety test
Key parts:
Core:
* By high-quality cold grain silicon
* Annealed by advanced vacuum annealing furnaces to improve electronic data
* Any dimension from customer available
Wire:
* Copper and aluminum available
* Weld aluminum enamel wire well to save your cost 15 - 35%, based on our know-how technology
* Thermal protector: cutoff and switch both available
Application:
* Electronic meter and apparatus
* Cable TV and digital network
* Electronic control
* Medical Equipment
* New electric power supply
* Decorative illumination system
* Monitoring and control equipment
Installation: horizontal, sunk, side type, bridge etc.
EI/UI TRANSFORMERS
Dielectric Strength: 3750Vrms
High ambient operation temperature (+70 Celsius degree maximum)
Primary (115V 60Hz / 230V 50Hz; 110V 60Hz / 220V 50Hz)
Secondary: Single or Dual
Insulation Class: Class B (130 Celsius degree)
Rated Power: from 0.25VA to 60VA
| NO. |
Model |
Power |
| 1 |
EE20/6.1 |
0.35VA |
| 2 |
EE20/10 |
0.5VA |
| 3 |
EI30/5.0 |
0.5VA |
| 4 |
EI30/10.5 |
1.5VA |
| 5 |
EI30/12.5 |
1.9VA |
| 6 |
EI30/15.5 |
2.1VA |
| 7 |
EI30/18 |
2.3VA |
| 8 |
EI30/23 |
2.8VA |
| 9 |
EI38/13.6 |
4.5VA |
| 10 |
EI42/14.8 |
6.0VA |
| 11 |
EI48/16.8 |
16VA |
| 12 |
EI48/20.5 |
12VA |
| 13 |
EI54/18.8 |
16VA |
| 14 |
EI54/23.0 |
20VA |
| 15 |
EI60/21 |
20VA |
| 16 |
EI60/25.5 |
28VA |
| 17 |
EI60/30.5 |
30VA |
| 18 |
EI60/35 |
35VA |
| 19 |
EI66/16 |
20VA |
| 20 |
EI66/23 |
30VA |
| 21 |
EI66/30 |
35VA |
| 22 |
EI66/35 |
45VA |
| 23 |
EI75/32.7 |
60VA |
Testing process
1. No-load test (included no-load voltage, no load current and no load loss);
2. Inductive voltage test;
3. Load test (load voltage and temperature rise;
4. Temperature rise test;
5. Insulated resistance;
6. Hi-pot test;
7. Leakage inductance test;
8. DC resistance test;
9. Surface inspection.
OUR WORKSHOP
Our Advantages:
1. 20 years experience in transformer and inductor manufacturing
2. Scientific management system, strong technical team, and strict quality control system
3. RoHS,CE,TUV and UL Standard
4. OEM & ODM
5. Competitive price,in time delivery and perfect after-service online.
Packing & Shipping
FAQ
Q1. Are you manufacturer in China?
Yes, we have 20+ years experience in supplying transformers and inductors.
Q2. What is your MOQ?
Usually our MOQ is 1000pcs.
Q3. Can I place a sample order?
Yes, please kindly contact us for more details.
Q4. What's the delivery time for samples?
Usually 3 - 6 working days.
Q5. What's the lead time for mass production?
Normally 15-30 working days, based on your order quantity.
Q6. What's the payment term?
We accept T/T, L/C, Western Union and Paypal etc.
Q7. Can you make customized products?
Yes, of course. We will do as per customer's design.
Q8. Is OEM accepted?
Yes, welcome OEM project.
Q9. Is it ok to print my logo on the label?
No problem, we can make it as your designated.
Q10. Can your factory print our brand on the product?
Yes, we can add customer's logo/brand on the product with the authorization from customers.
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