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PQ2620 High Frequency Transformer Ferrite Core Power Transformer Switching Power Supply
The PQ2620 high-frequency transformer utilizes high-performance ferrite cores and represents a compact power conversion solution specifically engineered for modern switching power supplies (SMPS). Its unique PQ type magnetic core design (Power Quality) achieves exceptional power density within limited PCB space while effectively reducing EMI electromagnetic interference and magnetic core losses through optimized magnetic circuit structure. This transformer typically supports power transmission from 100W to 250W, with operating frequencies up to 500kHz. It is widely implemented in flyback converters, AC-DC power modules, LED drivers, and isolated power systems for industrial and communication equipment, achieving an optimal balance between high efficiency, miniaturization, and thermal performance.
Key Applications
Consumer Electronics and Power Adapters
Medium to high power switching power supplies for desktop computers, servers, and industrial equipment
Fast charging and laptop power adapters including USB PD fast charging (60W and above)
Household appliance power supply modules
Industrial and Communication Equipment
Communication infrastructure power supplies for network switches, routers, and base stations
Industrial control power systems for equipment and instruments
UPS uninterruptible power supplies for critical equipment backup
Automotive and New Energy Applications
Electric vehicle onboard chargers and battery management systems
Photovoltaic inverter auxiliary power sources
Professional and Special Applications
Medical equipment power supplies with high isolation and safety requirements
Electric vehicle charging equipment core transformers
Gate driver power supplies for IGBT or MOSFET drivers in inverters
High-end and high-power LED lighting drivers
Performance Characteristics
Feature
Description
Benefit
High Power Density
Compact PQ26/20 geometry with optimized winding area
Saves valuable PCB space while handling significant power (typically 100W-250W)
Low Core Loss (Iron Loss)
Premium Mn-Zn ferrite material (PC40, PC95) optimized for high frequencies
Reduces heat generation; improves overall energy efficiency (up to 98% in some designs)
Superior Thermal Management
PQ (Power Quality) shape provides large surface-to-volume ratio
Excellent heat dissipation; allows for cooler operation under full load
High Saturation Current
Optimized magnetic path length and air gap design
Prevents core saturation during peak current loads, ensuring stable inductance
Excellent EMI Shielding
Closed-core geometry with minimal magnetic flux leakage
Reduces electromagnetic interference; simplifies filter design for EMC compliance
Wide Frequency Range
Designed to operate efficiently from 50kHz up to 500kHz+
Suitable for modern high-frequency SMPS topologies (Flyback, Forward, LLC)
High Isolation Voltage
Physical separation between primary and secondary windings
Meets safety standards (1500VAC - 3000VAC isolation) for industrial and medical use
Mechanical Stability
Rigid bobbin construction with precise pin alignment
Reliable PCB mounting; resistant to vibration and thermal shock
Product Images
Recommended Products
Company Profile
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
6000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shenzhen Zhixiangyuan Electronics Co.,Ltd is a high tech enterprise, specializing in customizing various types of audio transformers, high frequency transformers, low frequency transformers,switching power transformers, toroidal inductors, choke coils, SMD power inductors, supper high current induct... Shenzhen Zhixiangyuan Electronics Co.,Ltd is a high tech enterprise, specializing in customizing various types of audio transformers, high frequency transformers, low frequency transformers,switching power transformers, toroidal inductors, choke coils, SMD power inductors, supper high current induct...
