Bourns SM51x Series 10/100/1000 Base-T Transformers

Bourns SM51x Series 10/100/1000 Base-T Transformers are RoHS-compliant devices designed to meet networking needs effectively. The SM51625EL LAN 10/100/1000 Base-T (PoE++) Transformers ensure seamless integration within Ethernet networks, supporting versatile connections and efficient PoE++ technology for device empowerment. These transformers are environmentally friendly and have minimal sensitivity to moisture during soldering.

The SM51589PEL LAN 10/100/1000 Base-T Transformer (PoE+) Modules provide reliable networking solutions with IEEE 802.3 standards compliance. These transformers seamlessly integrate with various Ethernet setups, ensuring durability with a 5K VAC dielectric withstanding voltage. Typical applications include Ethernet, LAN, xDSL, Power over Ethernet, and PoE+.

Features

SM51589PEL

  • Boasts a robust 5K VAC (Volts Alternating Current) dielectric withstanding voltage for enhanced durability
  • Complies with IEEE 802.3 standards for Ethernet networking
  • Demonstrates commitment to environmental responsibility with RoHS compliance, ensuring adherence to hazardous substance standards
  • Designed for seamless integration with 10/100/1000 Base-T Ethernet and PoE+ (Power over Ethernet Plus) setups
  • Equipped with isolation Hi-Pot of 5000VAC, 1mA for 2 seconds, ensuring reliable electrical insulation
  • Provides PoE+ current of up to 720mA DC for efficient power delivery

SM51625EL

  • Classified with a Moisture Sensitivity Level of 1, indicating minimal sensitivity to moisture during soldering processes
  • Complies with IEEE 802.3 standards for Ethernet networking
  • Provides PoE up to 1.2 ADC per center tap for powering compatible devices
  • RoHS compliant, ensuring adherence to environmental standards
  • Supports 10/100/1000 Base-T Ethernet connections and PoE++ technology

Applications

  • AC/DC power supplies
  • Appliances
  • Battery management
  • Ethernet
  • Home automation
  • Home metering
  • Instrumentation
  • LAN
  • LED drivers
  • Laptop computers
  • Modems
  • PoE+
  • Power over Ethernet
  • Telecommunications
  • White goods
  • xDSL

Technical Specifications

Parameters Values
SM51589PEL SM51625EL
Open circuit inductance 350µH 80μH 
Insertion Loss -1dB  -1.1dB to -1dB
Cross talk (Between each channel) 1MHz to 30MHz -45dB -41dB
30MHz to 60MHz -40dB -37dB
60MHz to 100MHz -35dB -33dB
Turns Ratio 1CT:1CT
Leakage Inductance 0.5μH
Operating temperature range -40°C to 85°C