23Z91SMNL

Overview

The Pulse Electronics 23Z91SMNL is a surface-mount isolation transformer designed for Ethernet LAN applications. It features a 1:1 turns ratio and an inductance of 100µH. The component supports a frequency range of 100 kHz and provides 2 kV isolation voltage. Operating temperature ranges from 0°C to 70°C. It utilizes a gull-wing SMD termination style with 16 terminals.

Feature Summary

• Provides galvanic isolation for data interfaces in Ethernet networks
• Designed to meet IEEE 802.3 specifications for 10BASE-T applications
• Supports surface-mount installation for automated assembly processes

Applications

• Adapter cards for network connectivity
• MAU (Medium Attachment Unit) implementations
• Hub circuitry integration
• Motherboard Ethernet port designs

Procurement Notes

Verify the exact suffix configuration, as variants like 23Z91SMFNLT exist with different packaging or status. Confirm RoHS compliance requirements against specific project standards. Check current availability status as some listings indicate discontinued parts. Ensure the selected variant matches the required termination style and pin count for the target PCB footprint.

Selection Notes

Select this component for 10BASE-T Ethernet isolation needs requiring surface-mount technology. Consider the 16-terminal gull-wing package for board space constraints. Verify that the 2 kV isolation rating meets system safety requirements. Ensure the 100 kHz frequency range aligns with the signal transmission specifications of the intended network interface.

Part Context

This part belongs to Pulse Electronics' series of isolation transformers specifically engineered for Ethernet LAN environments. It serves as a critical passive component for signal integrity and electrical safety in network hardware. The design focuses on compact form factors suitable for modern electronic assemblies requiring reliable data transmission isolation.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users must consult official manufacturer cross-reference guides or engineering change notices for verified alternatives. Direct replacement requires matching all electrical parameters and mechanical dimensions.