Audio tube amplifier transformer toroidal core transformer
OKD offers a variety of Audio application Toroidal transformers for specific needs. All are constructed to meet low mechanical noise and low stray field noise.
Specification:
Power Range : Customized
Input/Output : Customized
Insulation Class: Class E,B,F,H(Optional)
Isolation : 3.75KV(HI-pot)
Frequency: 50Hz/60Hz
Low no-load losses
Low mechanical hum
Low magnetic leakage
High efficiency
Application:
1. Used for UPS
2. Audio equipment
3. Electric control
4. Computer
5. Solar device
6. Telecommunications
7. High-end and middle-end video etc.
Technical parameters
Rated Power(VA) |
Outside Dimension DxH(mm) |
Weight(Kg) |
Temp Rise(ºC) |
Approval |
OKD-120 |
120x50 |
2.15 |
54 |
UL/CE/RoHS/CQC |
OKD-250 |
120x65 |
2.45 |
54 |
UL/CE/RoHS/CQC |
OKD-400 |
140x65 |
3.75 |
55 |
UL/CE/RoHS/CQC |
OKD-600 |
155x78 |
5.25 |
55 |
UL/CE/RoHS/CQC |
OKD-850 |
170x82 |
6.85 |
58 |
UL/CE/RoHS/CQC |
OKD-1000 |
175x85 |
8.46 |
58 |
UL/CE/RoHS/CQC |
OKD-1500 |
208x110 |
11.80 |
60 |
UL/CE/RoHS/CQC |
OKD-2000 |
208x130 |
15.50 |
62 |
UL/CE/RoHS/CQC |
OKD-3000 |
245x140 |
19.80 |
64 |
UL/CE/RoHS/CQC |
OKD-5000 |
270x152 |
31.20 |
65 |
UL/CE/RoHS/CQC |
OKD-7500 |
300x155 |
49.40 |
65 |
UL/CE/RoHS/CQC |
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 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.
FAQ
Q1. Are you manufacturer in China?
Yes, we have over 20 years experience in supplying transformers and inductors.
Q2. What is your MOQ?
Our usual 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 5 - 10 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 per your requirements.
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.