Dongguan Zhengmao Electronics Co., Ltd. manufactures high-performance PQ Series high frequency transformers designed for switching power supplies, industrial electronics, renewable energy equipment, communication systems, and intelligent power conversion applications.
PQ series transformers are widely recognized for their compact magnetic structure, high power density, excellent thermal characteristics, and superior winding efficiency. Compared with traditional EE transformers, PQ core transformers provide a larger winding area and more optimized magnetic path, helping improve energy conversion efficiency while reducing transformer size and heat generation.
Our PQ series transformers are engineered using premium ferrite cores, precision winding technology, and advanced insulation systems to ensure stable electrical performance and long-term reliability in demanding high-frequency operating environments.
With extensive manufacturing experience and strong customization capability, Dongguan Zhengmao Electronics Co., Ltd. provides reliable PQ transformer solutions for modern electronic and energy industries.
PQ Series High Frequency Transformer
SEO Alternative Product Names
PQ switching power transformer
PQ Magnetic Transformer
PQ Core power supply transformer
High Frequency PQ Transformer Module
Industrial PQ Transformer

Optimized PQ Magnetic Core Structure
The PQ ferrite core design provides excellent magnetic efficiency and reduced core loss under high-frequency operation.
High Power Density
Compact transformer size supports higher power output and efficient system integration.
Excellent Thermal Performance
Optimized winding space and magnetic path help reduce temperature rise during continuous operation.
Stable High-Frequency Characteristics
Suitable for high-frequency switching power systems and intelligent electronic equipment.
Low Electromagnetic Interference
Precision winding design minimizes EMI and improves electronic system compatibility.
Reliable Electrical Insulation
Advanced insulation structures ensure stable operation and improved electrical safety.
Compact Installation Design
Supports compact PCB layouts and miniaturized electronic equipment applications.
Improved Energy Efficiency
Optimized magnetic structures help reduce energy loss and improve power conversion performance.
Reduced Equipment Volume
Compact PQ transformer design supports lightweight and space-saving equipment development.
Long-Term Operational Reliability
Manufactured using high-quality materials and strict quality control standards.
Flexible Application Compatibility
Suitable for multiple switching power supply topologies and industrial electronic systems.
Enhanced Heat Dissipation
Efficient thermal design improves transformer stability and operating lifespan.
PQ Series High Frequency Transformers are widely used in:
Switching Power Supplies
Used in AC-DC and DC-DC power conversion systems.
Renewable Energy Equipment
Suitable for photovoltaic inverters and energy storage systems.
EV Charging Systems
Applied in charging pile modules and electric vehicle power equipment.
Communication Equipment
Supports communication power systems and network infrastructure.
Industrial Automation
Integrated into industrial control systems and intelligent manufacturing equipment.
Consumer Electronics
Used in smart appliances, compact electronic products, and intelligent control devices.
LED Power Drivers
Provides stable voltage conversion for LED lighting systems.
Medical Electronic Equipment
Suitable for precision electronic medical power systems.

| Item | Description |
Product Name | PQ Series High Frequency Transformer |
Transformer Type | High Frequency Transformer |
Core Type | PQ Ferrite Core |
Frequency Range | Customizable |
Input Voltage | Customizable |
Output Voltage | Customizable |
Rated Power | Customizable |
Cooling Method | Natural Cooling |
Installation Type | PCB Mount |
Operating Temperature | -40°C to +125°C |
Insulation System | Customized |
OEM & ODM | Supported |
Certifications | ISO9001 / UL / IATF16949 |
Dongguan Zhengmao Electronics Co., Ltd. adopts advanced transformer manufacturing technologies and automated production systems to ensure stable product quality and efficient production capability.
Our production processes include:
Precision ferrite core assembly
Automatic winding production
Vacuum insulation treatment
Electrical parameter testing
Thermal stability verification
High-frequency performance inspection
EMI testing
Reliability aging tests
Comprehensive final inspection
Each transformer undergoes strict quality control before shipment.
Different electronic systems require different transformer structures and electrical characteristics. We provide customized PQ transformer development services according to customer technical requirements.
Customization support includes:
High-frequency optimization
Voltage ratio customization
Compact structure enhancement
Thermal management optimization
EMI suppression solutions
High-power magnetic design
PCB installation customization
Industrial-grade insulation enhancement
Our engineering team supports customers from product development to volume manufacturing.
Professional Magnetic Component Manufacturer
We specialize in transformers, inductors, and magnetic components for industrial electronics and intelligent energy systems.
Advanced Production Technology
Modern automated production equipment ensures stable product consistency and manufacturing efficiency.
Strong OEM & ODM Capability
Flexible customization services are available according to customer technical requirements.
Strict Quality Management
Products comply with ISO9001:2015, UL, and IATF16949 quality management systems.
Professional Engineering Support
Our experienced technical team provides rapid communication and customized magnetic solution support.
What is a PQ Series Transformer?
A PQ series transformer is a high-frequency transformer using PQ ferrite cores for efficient power conversion and compact magnetic design.
What are the advantages of PQ transformers?
PQ transformers provide high power density, improved thermal performance, compact size, and efficient magnetic characteristics.
What applications are PQ transformers suitable for?
They are widely used in switching power supplies, renewable energy systems, EV charging equipment, industrial electronics, and communication devices.
Do you support customized PQ transformer manufacturing?
Yes. Dongguan Zhengmao Electronics Co., Ltd. provides OEM & ODM customization services according to customer specifications.
How do you ensure product quality?
We conduct strict electrical testing, thermal inspection, EMI verification, and reliability testing during production.
Can samples be provided?
Yes. Samples are available for engineering evaluation and customer testing.
Mobile: +86 136 4989 9395
pmc@dgzeal.com
www.dgzeal.com
No. 9 Tiesong Zhongwei Road, Qingxi Town, Dongguan City, Guangdong Province

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