Factory Direct Sale PQ2018 High Frequency Transformer 4-pin Ferrite Switching Transformer
1.Product Description
Factory direct sales PQ2018 high-frequency transformer, using high-performance ferrite core, 4-pin pin design, optimized for switch mode power supplies (SMPS). Featuring low loss, high efficiency, and excellent electromagnetic compatibility, it is widely used in LED drivers, industrial power supplies, communication equipment, and consumer electronics products. Support customization of electrical parameters and structures, providing highly competitive prices and stable supply.
Core features of PQ2018 high-frequency transformer:
1. High performance ferrite core: Made of high-quality and low loss ferrite material, ensuring stable operation at high frequencies (usually tens of kHz to hundreds of kHz), achieving efficient energy conversion, and reducing temperature rise.
2. 4-pin pin design: structurally stable, easy to automate soldering and PCB board installation, providing good electrical connections and mechanical support.
3. Excellent electrical characteristics: Optimized design with high magnetic permeability, low leakage inductance, and low distributed capacitance, which helps improve the overall efficiency, stability, and EMC (electromagnetic compatibility) performance of the power supply.
4. Wide adaptability: Designed specifically for switching power supply topologies (such as flyback, forward, etc.), widely used in AC-DC power supplies, LED drivers, industrial control equipment, communication modules, etc.
5. Factory direct customization: As a factory direct product, it supports flexible customization of electrical parameters (such as turns ratio, inductance, insulation level, etc.), and provides highly competitive prices and stable bulk supply.
These characteristics make it an ideal choice for modern switching power supplies that require high efficiency, small size, and high reliability.
2.Performance Characteristics
| Feature Category | Performance Characteristics |
| Core & Material | • High-performance Ferrite Core |
| • Low Core Loss at high frequencies | |
| • High magnetic permeability for efficient energy transfer | |
| Electrical Performance | • Optimized for high-frequency switching (tens to hundreds of kHz) |
| • Low Leakage Inductance for improved efficiency and reduced stress | |
| • Low Inter-winding Capacitance for better EMI/EMC performance | |
| • High Insulation Resistance and breakdown voltage (can be specified) | |
| Design & Construction | • 4-pin through-hole design for robust PCB mounting |
| • Stable mechanical structure with good heat dissipation | |
| • Compact PQ2018 form factor saves board space | |
| Reliability & Application | • High Efficiency conversion, reducing overall system thermal load |
| • Excellent Thermal Stability over operating temperature range | |
| • Designed for Switching Mode Power Supplies (SMPS) like Flyback, Forward converters | |
| • Suitable for LED Drivers, Industrial Controls, Telecom, and Consumer Electronics | |
| Customization & Value | • Factory-direct customization of turns ratio, inductance, and insulation class |
| • Cost-effective due to eliminated middleman margins | |
| • Reliable supply chain support for both prototype and mass production |




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4.Company Profile


