POWER STAR ELECTRIC CO., LTD.

Professional Toroidal Transformer Manufacturer

Established in 1978 | Over 40 Years of Manufacturing Experience

1. Company Profile

POWER STAR ELECTRIC CO., LTD. was established in 1978 and specializes in the design and manufacture of toroidal transformers. With decades of experience in transformer technology, our team provides professional expertise, flexible manufacturing capabilities, and reliable product quality to meet a wide range of customer requirements.

We are committed to providing flexible production services, including small-quantity orders and custom-made transformers, even for a single piece. For orders delivered within Taiwan, expedited delivery may be available within three days of order placement, subject to product specifications, material availability, and production scheduling.

Our toroidal transformer range covers power ratings from 5 VA to 25 kVA, with customized designs available to meet specific electrical, mechanical, and installation requirements.

2. Product Features and Customization

Flexible Installation Options

For convenient installation, we offer toroidal transformers with plug-in input and output connections. PCB-mounted designs with copper pins or flying leads can also be customized to suit individual assembly requirements.

Magnetic Shielding and Protective Enclosures

To reduce stray magnetic flux and electromagnetic interference, we offer a variety of metallic enclosures and shielding solutions. Encapsulation with epoxy resin is also available to improve mechanical protection, electrical insulation, and resistance to environmental stress.

Customized Shielding Solutions

For specialized applications, additional electrostatic shielding can be incorporated into the transformer design. Options include copper foil shielding with suitable insulating adhesive, helping reduce capacitive coupling and unwanted electrical noise. These solutions are particularly useful in audio applications where low noise and signal integrity are important.

3. Applications

With more than four decades of manufacturing experience, POWER STAR has supplied transformer solutions for a wide range of applications, including:

• Power amplifiers and preamplifiers

• CD players and audio equipment

• Home theater and multichannel sound systems

• Professional audio and public address (PA) systems

• Digital equipment and industrial control systems

• Customized power supply applications

Our focus is on delivering reliable, application-specific transformer solutions that meet customers’ electrical and mechanical requirements.

4. Quality Assurance

Quality and reliability are integral to our manufacturing process. Our products undergo appropriate electrical and production inspections, which may include:

• Surge testing

• DC high-potential (Hi-Pot) testing

• Turn-to-turn insulation and short-circuit defect detection

• Phase comparison testing, where applicable

• Inspection of insulation materials and construction quality

Insulating materials can be selected to meet applicable international requirements, including UL 94 V-0 flame-retardancy ratings, subject to the material used and its certification.

Through systematic inspection and quality control, we strive to provide dependable products and consistent manufacturing quality.

5. Additional Transformer Solutions

In addition to toroidal power transformers, we can provide customized solutions for various electrical applications, including:

Voltage Transformers and Current Transformers

• Cast-resin voltage transformers

• Cast-resin current transformers

• Through-type and bar-type current transformers

• Auxiliary windings for earth-fault monitoring or detection signals, where required

Depending on the application, specifications can include rated voltage or current ratio, rated frequency, rated burden, accuracy class, and short-time or surge-current withstand capability.

6. Specialized Products

Audio Output Transformers

Designed for audio signal applications, these transformers can be customized for amplifier output stages and speaker-driving applications. A wide frequency response and low signal distortion can be achieved through appropriate magnetic design and winding construction.

Chokes and Reactors

We offer customized choke and reactor solutions for different electrical applications, including:

• Spring-type chokes, subject to design requirements

• Ferrite-core reactors for selected high-frequency applications

• Grain-oriented silicon-steel toroidal reactors for power-frequency applications

• Customized low-harmonic-distortion reactor designs

Product specifications can be tailored to the required operating frequency, current, inductance, impedance, and harmonic performance.

7. Our Commitment

At POWER STAR ELECTRIC CO., LTD., we combine long-standing manufacturing experience with flexible customization and quality-focused production.

Whether you require a single prototype, a small production batch, or a customized transformer for mass production, we welcome the opportunity to work with you.

POWER STAR ELECTRIC CO., LTD.
Professional Toroidal Transformer Design and Manufacturing
Established in 1978

Services: toroidal transformer,High Frequency Current Sensors, Current transformer,Coil,High Frequency transformer,transformer,Zero- Phase Current Transformers,Encapsulated Transformer

Merchandise Shipping：Postal Delivery, Express, In Person
Payment：Cash, Wired Transfer, Payment on Delivery, 24H Store Payment
Service Zone：North of TWN, Mid of TWN, South of TWN, China, S-E Asia, Japan & Korea, North America, Europe