EP13 Low Loss High Frequency SMPS Transformer Custom POE SMPS Power Design

The EP13 series represents our premier high frequency magnetic solution specifically engineered for designers seeking maximum power efficiency within extremely height constrained environments. This low profile high frequency transformer utilizes a specialized EP type core geometry that provides a large core cross sectional area while maintaining a remarkably compact horizontal footprint. Engineered with high permeability manganese zinc ferrite and precision wound oxygen free copper wire, the EP13 is the definitive heart for PoE (Power over Ethernet) systems and high end consumer adapters where every millimeter of PCB space matters.

• High grade manganese zinc ferrite core guarantees exceptional magnetic efficiency and low heat
• Precision wound copper winding technology significantly reduces DCR and thermal rise under load
• Innovative EP structure provides superior magnetic shielding to minimize electromagnetic noise
• Robust multi pin bobbin design ensures high mechanical strength for automated SMT assembly
• Advanced insulation tape wrapping guarantees high voltage safety and long term reliability
• Ultra compact Low Profile design specifically optimized for high density circuit environments
• Sophisticated automated manufacturing guarantees highly consistent electrical parameters always

• PoE Power Systems: Perfectly suited for Power over Ethernet applications and network communication modules where stable voltage conversion and robust high frequency isolation are essential requirements
• Smart Home Devices: The ideal choice for ultra thin power adapters and IoT control units requiring peak efficiency and minimal heat generation within compact enclosures
• Industrial Sensors: Extensively used in high precision industrial sensors and signal conditioning modules providing the consistent energy flow needed for accurate measurement
• Telecommunication Gear: Suitable for server power units and broadband access equipment where high power density and compact footprints are essential for modern rack configurations

• High efficiency conversion design significantly lowers energy waste and standby power loss
• Compact EP13 footprint optimizes space utilization in high density PCB board layouts
• Certified quality standards simplify your final product international market access process
• Durable construction supports stable long term operation in harsh electrical fields
• Direct factory supply offers highly competitive pricing for global strategic procurement

Chipsen Electronics is a professional manufacturer specializing in high‑performance transformers and magnetic components, with more than 26 years of in‑depth manufacturing expertise in this industry.

Founded in 2000, Chipsen has grown steadily over decades. We now run 4 production bases, with strong manufacturing capacity, covering over 7,200 square meters and staffing over 400 skilled employees, which guarantees stable production capacity and fast order delivery for customers worldwide.

We hold authoritative certifications including ISO9001, ISO14001 and IATF16949. Our products are approved by UL Class B/F/H, CQC, RoHS and REACH. Up to now, we have obtained 36+ utility patents, supported by our robust in‑house R&D team. Our technical strengths enable us to deliver targeted solutions for temperature reduction, noise cancellation and coupled radiation conductivity.

Our product portfolio covers full‑range standard models. Meanwhile, we provide flexible custom development service — we can develop products strictly according to customer drawings or samples.

Committed to environmental‑friendly production and reliable qualified products, Chipsen aims to be a global trusted transformer and inductor supplier, delivering high‑efficiency, on‑demand solutions for global partners.

• Full Service Customization
• Extensive Product Portfolio
• Advanced Manufacturing Capability
• Strict Quality Control System
• High Voltage & High Frequency Expertise
• Flexible MOQ & Fast Lead Time
• OEM/ODM Supported
• Competitive Factory Direct Pricing
• Strong R/D Team With Rapid Response
• Stable Supply Chain For Long Term Cooperation

To deliver reliable energy efficient transformer solutions that empower our customers products and enhance their market competitiveness worldwide.