The T1142NLST is a surface mount Ethernet transformer manufactured by Pulse Electronics. It is designed to provide galvanic isolation and common mode noise filtering in Ethernet applications. This transformer is compliant with IEEE 802.3 standards and is suitable for 10/100/1000 Base-T Ethernet applications.

Applications

• Ethernet network interfaces
• LAN cards
• Motherboards
• Network switches
• Routers
• Embedded systems with Ethernet connectivity

Features

• Surface mount package
• IEEE 802.3 compliant
• Suitable for 10/100/1000 Base-T Ethernet
• Galvanic isolation
• Common mode noise filtering
• RoHS compliant

Benefits

• Network protection: Galvanic isolation protects sensitive electronic components from voltage surges and transients on the Ethernet line.
• Improved signal integrity: Common mode noise filtering reduces noise and interference, improving signal quality and data transmission reliability.
• Standard compliance: Compliance with IEEE 802.3 standards ensures interoperability with other Ethernet devices.
• Easy assembly: Surface mount package simplifies assembly and reduces manufacturing costs.
• Environmentally friendly: RoHS compliance ensures it meets environmental regulations.

Specifications

• Turns Ratio: 1CT:1CT
• Inductance (OCL): 350 µH min
• Isolation Voltage: 1500 Vrms
• Operating Temperature Range: 0°C to +70°C
• Package: Surface Mount
• Insertion Loss: -1.0 dB max (0.3-100MHz)
• Return Loss: -18 dB min (0.3-30MHz), -14 dB min (30-60MHz), -12 dB min (60-80MHz)

The Pulse T1142NLST Ethernet transformer is a high-performance and reliable component that provides essential isolation and noise filtering for Ethernet applications. Its compliance with industry standards and compact surface mount package make it a popular choice for designers and manufacturers.