7490240120 PoE Transformer Overview:​

The 7490240120 1000Base-T SMT Transformer is designed for Ethernet applications requiring Power over Ethernet (PoE) capabilities. This transformer fully complies with the IEEE 802.3bt standard for 4PPoE, supporting up to 350mA per center tap (pins 1-18). The transformer supports 1000 Base-T data transmission rates. It offers excellent electromagnetic performance with optimized differential to common mode rejection ratio, crosstalk, and common mode rejection ratio across various frequency ranges.
The 7490240120 is designed to operate reliably across a wide temperature range from -40°C to +105°C and has achieved multiple certifications, including RoHS, REACH, and cURus, ensuring compliance with global standards for safety and environmental protection.
This SMT transformer is ideal for medical equipment, industrial Ethernet applications, and other systems requiring high-speed data transmission with robust electrical isolation and PoE functionality.

Characteristics of 7490240120 1000 Base-T SMT Transformer:​

Engineered with medical-grade safety features, the 7490240120 fulfills IEC60601 requirements for 1xMOPP (Means of Patient Protection) for working voltages up to 250 Vrms. It features an exceptional insulation test voltage of 4000V (RMS), making it suitable for applications where electrical isolation is critical. With a clearance distance of 2.5mm and creepage distance of 4mm, this component meets stringent safety requirements for electrical spacing.

7490240120 Datasheet-Recommended Land Pattern:

7490240120 Datasheet-Schematic:

LINK-PP is a professional designer and Manufacturer of magnetic telecom and networking components. Founded in Shenzhen in 1997 and began to develop Discrete Transformer. With over 26 years of experience in innovation and technology leadership. Our main products include RJ45 Connectors, LAN Transformers, and SFP Modules. We focus on improving product reliability and durability.

Main Production Lines

◆ 10/100/1000/10GBase-T LAN Isolation Transformer and Filter

◆ Rj45 Modular Jack With Integrated 10/100/1000/10G Magnetics
◆ Magnetic Rj45 Jack with POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ LAN Transformer With POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ T1/E1,T3/DS3/E3/STS-1 Interface LAN transformer
◆ ISDN,HDSL,ADSL and VDSL Transformer and splitter

◆ Optical Transceivers