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The PQ5060 Planar Transformer represents the cutting edge of power magnetics, specifically engineered to replace traditional wire-wound transformers in high-power, space-constrained applications. By utilizing multi-layer PCB windings or copper foil lead frames integrated within a high-permeability PQ5060 ferrite core, this series achieves an unprecedented balance between compact height and massive power throughput. It is the definitive solution for modern power designers seeking to push the limits of efficiency in 1kW to 5kW power conversion systems.
| Parameter Item | Typical Specification | Unit | Remarks |
|---|---|---|---|
| Ferrite Core Type | PQ5060 (Planar Type) | - | High-permeability power ferrite |
| Effective Area (Ae) | 320.0 | mm² | Approximate for PQ5060 planar |
| Effective Path Length (Le) | 110.0 | mm | Optimized magnetic path |
| Effective Volume (Ve) | 35200 | mm³ | Large magnetic capacity |
| Rated Power Output | 1000 - 5000 | W | Depending on frequency/airflow |
| Operating Frequency | 100 - 500 | kHz | GaN/SiC compatible |
| Leakage Inductance | < 1.0% | uH | Of primary inductance |
| Isolation Voltage | 3000 - 4500 | VAC | Hi-pot Primary to Secondary |
| DCR (Direct Current Resistance) | Ultra Low (<5) | mOhm | Using copper foil/multi-layer PCB |
| Winding Structure | Planar (PCB or Copper Foil) | - | Precision interleaving |
| Length (Max) | 55.0 | mm | Base dimension |
| Width (Max) | 52.0 | mm | Base dimension |
| Height (Max) | 25.0 - 35.0 | mm | Low profile planar design |
| Safety Standards | UL 94V-0, RoHS, REACH | - | Halogen-free option |
| Operating Temperature | -40 to +125 | °C | Including self-heating |
The core feature of the PQ5060 is its low-profile geometry, which allows for a significantly higher surface-area-to-volume ratio compared to conventional transformers. The design utilizes a large-core cross-section (Ae) to minimize core losses while maintaining a total height often under 25mm. The winding structure is characterized by its extreme precision, utilizing automated fabrication to ensure that every unit has identical electrical characteristics. Furthermore, the PQ5060 core shape is optimized for electromagnetic shielding, significantly reducing EMI emissions in sensitive circuits.
The primary advantage of the PQ5060 is its exceptional thermal management. Because the windings are flat and in close contact with the ferrite core, heat can be conducted away much more efficiently through the PCB or attached cold plates. Additionally, the planar construction offers excellent repeatability; the parasitic capacitance and inductance remain identical across thousands of units, simplifying the design of the resonant tank in LLC converters. This stability ensures higher reliability and lower failure rates in the field compared to manual winding methods.
For engineers targeting the highest tiers of 80 PLUS Titanium efficiency or IATF 16949 automotive standards, the PQ5060 Planar Transformer is a critical enabling component. It combines the mechanical stability of a solid-state component with the high-performance magnetic characteristics required for the next generation of power electronics.


Chipsen Electronics Technology Co., Ltd., established in 2000, is a specialized manufacturer of high frequency transformer, low frequency transformer, toroidal inductor, SMD power inductor, super high current inductor, choke coil and switch. Chipsen has got a good reputation in domestic and oversea markets which include North & South America, Europe and Southeast Asia.
Chipsen possesses a professional management team, as an ISO9001, ISO14001 & IATF16949 audited company, which always commits to producing environmental protection and qualified products. Our products are certified by UL Class B/Class F/Class H, CQC and RoHS, and obtained 21 patents.
These achievements mainly come from our strong R&D team, providing various solutions for temperature decreasing, noise cancellation and coupled radiation conductivity. Our products widely used in various fields of new energy, PV, UPS, Robotics, smart home, security systems, health care and communication.
Vision: To Be Global Transformer Brand Supplier
Mission: Create Values for Customers and Society, Grow with Customers and Staffs
Values: Customer First, Team Cooperation, Embrace Changes, Integrity, Creative & Happy