Wide Voltage PoE Transformer Network IoT Devices

Product Overview

The EP10 PoE Power over Ethernet Transformer is a high-performance SMD EP10 PoE Flyback Transformer developed by Infinity Electronics, exclusively engineered for Power over Ethernet (PoE) Powered Devices (PDs). As a key component for Ethernet power and data transmission, this High Isolation PoE PD Transformer integrates reliable DC voltage conversion and galvanic isolation, enabling seamless power supply and data communication over a single Ethernet cable. Designed as an SMD-EP10 INF-2528 model, it supports a wide input voltage range of 9–57 V DC and switching frequencies of 200 kHz–500 kHz, with a robust 1.5 kVAC galvanic isolation rating for 1 minute. The EP10 Ethernet Power Supply Transformer operates stably from -40 °C to +125 °C and offers flexible output voltage/current configurations, making it an ideal solution for ToB customers in network communication, IoT, security, and industrial automation industries that require remote PoE power supply.

Core Advantages

Wide Input Voltage & Switching Frequency Range

Supporting an input voltage range of 9 V DC–57 V DC and switching frequencies of 200 kHz–500 kHz, the EP10 PoE Power over Ethernet Transformer adapts to diverse PoE power supply systems (IEEE 802.3af/at/bt compliant) and high-efficiency power conversion circuits, eliminating the need for multiple transformers in mixed-voltage applications.

High Galvanic Isolation & Temperature Stability

With a 1.5 kVAC isolation rating for 1 minute and UL 94V-0 recognized insulation materials, it provides superior electrical safety and noise isolation between power and data circuits. Its stable performance from -40 °C to +125 °C ensures reliability in harsh industrial, outdoor, and commercial environments.

Flexible Output Configurations

Offering customizable output voltages (3.3 V/5 V/12 V) and currents (0.58 A–14 A), with multiple turn ratio options (1.47:1:1 to 9.5:1:3.5), this transformer meets the unique power demands of different PoE PDs, from low-power IoT sensors to high-power WLAN access points.

High Efficiency & Compact SMD Design

As a flyback transformer, it delivers high power conversion efficiency for PoE systems, minimizing energy waste. Its compact SMD EP10 package enables space-saving integration into miniaturized PoE devices (e.g., VoIP phones, surveillance cameras), supporting automated PCB assembly for mass production.

Technical Specifications

Typical Applications

Network Communication Devices

Essential for PoE-enabled network equipment including VoIP phones, WLAN access points (APs), network routers, and switches, providing isolated power and data transmission over Ethernet cables.

Security & IoT Smart Systems

Used in surveillance/monitoring cameras, smart home appliances, and intelligent LED lighting, enabling remote PoE power supply and seamless data connectivity for IoT ecosystems.

Industrial & Healthcare PoE Equipment

Ideal for industrial automation sensors, remote industrial controllers, and low-power healthcare devices (e.g., patient monitoring equipment), supporting reliable operation in industrial and medical environments with strict safety and isolation requirements.

Commercial PoE Solutions

Applied in retail digital signage, office smart devices, and building automation systems, leveraging its compact design and high isolation for space-saving and safe PoE integration.

Certifications & Compliance

The EP10 PoE Power over Ethernet Transformer holds a comprehensive set of international certifications, including RoHS, CE, UL, and ISO 9001:2008, meeting global quality and environmental standards. It complies with IEEE 802.3af/at/bt PoE standards and features a UL 1446 Class F insulation system, ensuring electrical safety and compatibility with PoE systems worldwide. All units pass 100% performance and isolation testing before shipment, with test reports provided for customer quality verification.

Customization & Procurement

Customization Options (OEM/ODM Supported)

Output Configuration: Custom output voltages (3.3 V–24 V), currents, and turn ratios for application-specific PoE PD requirements.

Package Optimization: Custom SMD package dimensions for miniaturized or specialized PCB designs.

Isolation Rating: Custom isolation ratings (1.5 kVAC–3 kVAC) for high-safety applications (e.g., healthcare, industrial).

Procurement Terms