PA3855.005NLT

Ⅰ.Overview of PA3855.005NLT

The PA3855.005NLT is a high-performance switching converter transformer belonging to the category of SMPS (Switched-Mode Power Supply) Transformers. Developed by Pulse Electronics under its EP13Plus series, it is specifically engineered for use in DC/DC converters, particularly flyback converters, providing efficient voltage transformation and reliable isolation to support stable power supply in various electronic systems.

Ⅱ.PA3855.005NLT Parameter

Category:Transformers,Switching Converter, SMPS Transformers

Manufacturer:Pulse Electronics

Series:EP13Plus

Packaging:Tape & Reel

Part Status:Active

Type:For DC/DC Converters

Applications:Flyback Converters

Voltage - Primary:9 ~ 57V

Voltage - Auxiliary;10V @ 50mA

Voltage - Isolation:2250VDC

Operating Temperature:-40°C ~ 130°C

Mounting Type:Surface Mount

Size / Dimension:0.571" L x 0.526" W (14.50mm x 13.36mm)

Ⅲ.PA3855.005NLT Main Characteristics

Broad Primary Voltage Range:With a primary voltage range of 9 ~ 57V, the transformer offers strong adaptability to different input power conditions, making it suitable for a variety of DC/DC converter designs that require flexible voltage input.

Reliable Voltage Isolation:It provides a high voltage isolation of 2250VDC, effectively preventing electrical leakage between the primary and secondary circuits, ensuring the safety of both the electronic equipment and operators.

Stable Auxiliary Voltage Output:The auxiliary voltage output of 10V @ 50mA delivers a consistent power supply for auxiliary components in the system, such as control circuits, enhancing the overall stability of the power supply system.

Surface Mount Compatibility:The surface mount type allows for seamless integration into automated assembly lines, improving production efficiency and reducing manual assembly errors, which is essential for large-scale electronic product manufacturing.

Optimized for Flyback Converters: Specifically designed for flyback converter applications,it matches the working principles of such converters, enabling efficient energy conversion and minimizing power loss.

Ⅳ.PA3855.005NLT Application 

DC/DC Flyback Converters:As a core component in DC/DC flyback converters, it is widely used in power supply units for consumer electronics (e.g., smartphones, laptops), industrial equipment, and automotive electronics, enabling efficient voltage conversion from input to output.

Industrial Power Systems:In industrial power systems, such as power supplies for programmable logic controllers (PLCs), sensors, and industrial automation equipment, the transformer’s wide temperature range and high voltage isolation ensure reliable power delivery in complex industrial environments.

Consumer Electronics Power Supplies:Used in power adapters and internal power modules of consumer electronics like tablets, smart TVs, and home appliances, it provides stable voltage transformation and isolation, ensuring the safe and efficient operation of these devices.

Telecommunication Equipment:In telecommunication devices such as routers, modems, and base station power supplies, the transformer supports efficient power conversion, helping maintain stable communication signals by ensuring a reliable power supply to critical components.

Ⅴ.Conclusion

In summary, the PA3855.005NLT transformer is a high-performance, reliable component tailored for DC/DC flyback converter applications. Its broad voltage range, high isolation, wide temperature tolerance, and surface mount design make it versatile across industrial, automotive, and consumer electronics fields. As a product of Pulse Electronics’ EP13Plus series, it consistently meets strict quality standards, playing a key role in ensuring efficient and stable power supply for modern electronic systems.