300w power amplifier toroidal transformer for audio amplifiers

Tianyi transformer provide both standard and custom designs with the following features.

• 130/155/180 degrees insulation systems are available and pass UL1446 approvals
• Designed to meet UL/CSA/IEC safety agency requirements
• Terminations and mounting means can be customized to meet your requirements
• 100/110/120/208/220/230/240/277/380/440V or specified primaries are optional

Toroidal Transformer Materials

Toroidal Transformer Process

Tianyi toroidal transformer is constructed in the following order

1.Core from 0.23mm thick silicon steel Japanese materials 23Q115 edges are ground smooth

2.Core protection from 4 layers polyester films (2 layers with 50% overlap)

3.Primary winding wire ( polyesterimid enameled QZY 180) and temperature class 180°

4.Primary leads from type UL1672 double insulation for 600V voltage and 105° temperature

5.Primary to secondary insulation from 6 layers polyester films (3 layers with 50% overlap)

6.Secondary winding wire ( polyesterimid enameled QZY 180) and temperature class 180°

7.Secondary leads from type UL1015 for 600V voltage and 105° temperature

8.Final insulation from 2 layers polyester films (1 layers with 50% overlap) 

Transformer Testing Equipment

-High Voltage Testing / Partial Discharge Testing / Full Load & Temperature Rise Testing Capabilities

-Medical Safety Testing / Automated Transformer Testing / Burn-In & Life Testing Capabilities

-Humidity, Salt Fog & Solderability Testing / Moisture Resistance & Seal Testing Capabilities

Custom Capabilities

-Standard or custom wire windings to meet any capacitance requirement

-Custom molded casings and enclosures, including potting

-Termination to suit any requirement - including PC, terminals, leads and connectors

-Capabilities to operate in harsh environment, including temperature & humidity

-Custom toroidal power size range from 10VA - 10000VA / phase

Transformer Solutions

 Transformer Certificate

Transformer Exhibition

Our strength lies in quick, economical and high-quality solutions. We have been supplying solutions for designing, sampling, engineering, producing custom-made transformers for more than 25 years. We understand how to optimize and cut the cost in accordance to the detailed applications.

Our extensive magnetic knowledge and applications expertise ensure us to supply you with a wide range of custom transformers. 

20000 square meters headquarter is located in west of China, Mianyang

100+ diverse, experienced and highly skilled workforce

Transformer design, engineering, and manufacturing for over 25 years

Equipped with state-of-the-art coil winding, steel cutting and testing equipment

ISO 9001:2015/GB/T19001 - 2016 quality management system