Voltage regulation and electrical isolation

As a mains transformer for adjustment of the voltage and simple electrical isolation.

PowerUC / YHDC is one of the early enterprises in China specializing in the R&D and manufacturing of encapsulated transformers. With 30 years of technical expertise and brand development, the company has established a strong industry reputation and earned long-term trust from customers across various sectors.

Its product portfolio covers control transformers, isolation transformers, toroidal transformers, and PCB-mounted miniature transformers in a wide range of power ratings. The company also provides customized solutions to meet the specific technical and performance requirements of different industries.

Category descriptions

PCB mounting transformers are vacuum molded, providing high proof voltage and electrical isolation on PCBs. They can function as power transformers or isolating/safety transformers. PowerUC offers PCB transformers with absolute, limited, or no short-circuit protection to suit various circuit power needs.

Due to their unique toroidal structure, toroidal transformers generate significantly less stray magnetic field than EI-core transformers. This means that nearby components are less susceptible to interference. They are commonly used in applications such as high-fidelity audio and medical electronic devices, where there are strict requirements regarding space efficiency, noise suppression, and stray magnetic interference.

YHDC’s industrial control transformers utilize a vacuum impregnation process to reduce noise levels while providing superior external protection. Designed to power isolation, lighting, and signaling systems, they offer cost-effective solutions under both standard and extreme operating conditions.

YHDC’s three-phase isolation transformers utilize a vacuum impregnation process, which effectively reduces noise while providing excellent corrosion protection. The SG series isolation transformers offer a variety of mounting options and are equipped with lifting eyes for easy top-loading during transportation.

Power Modules

PCB mounting transformers are vacuum molded, providing high proof voltage and electrical isolation on PCBs. They can function as power transformers or isolating/safety transformers. PowerUC offers PCB transformers with absolute, limited, or no short-circuit protection to suit various circuit power needs.

PCB soldering and mounting of transformers

Audio Devices

We offer high-quality, low-noise toroidal transformers for demanding audio applications. Custom-built to individual specifications, our transformers range from 20VA to 3000VA and feature multiple primary and secondary taps.

low-noise toroidal transformers

Control cabinet and control system construction

In today’s highly complex control systems, control cabinets and control units play a critical role in maintaining system stability; therefore, these cabinets and all their components must meet extremely high standards. Key parameters such as system uptime and product quality depend directly on the quality of the control cabinets and control units.

Rectifier and Inverters

Pulse transformers are specifically designed for transmitting short-duration pulse signals, electrical isolation, and waveform preservation. The high-quality potted SCR trigger transformers and gate driver transformers manufactured by YHDC/Poweruc are widely used in rectifiers and inverters.

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