E2457NLT

Description：XFRMR ISOL 10BASE-T 1:1.41 SMD
Series：-
Mfr：Pulse Electronics
Package：Tape & Reel (TR)

SKU:55c16e03d63f Category: Pulse Transformers Brand: Pulse Electronics

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Product introduction

Product Detailed Parameters

Description：XFRMR ISOL 10BASE-T 1:1.41 SMD
Series：-
Mfr：Pulse Electronics
Package：Tape & Reel (TR)
Transformer Type：Isolation and Data Interface (Encapsulated)
Inductance：140µH, 140µH
ET (Volt-Time)：-
Turns Ratio - Primary:Secondary：1CT:1.41CT Transmitter, 1CT:1CT Receiver
Mounting Type：Surface Mount
Size / Dimension：0.500" L x 0.358" W (12.70mm x 9.09mm)
Height - Seated (Max)：0.241" (6.12mm)
Operating Temperature：-
Grade：-
Qualification：-

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E2457NLT

Overview

The E2457NLT is a single-channel isolation transformer module designed for 10Base-T applications. It features a 1:1.414 turns ratio and operates within a frequency range of 100 kHz. The component provides 1.5 kV insulation voltage and utilizes surface mount termination. It is unshielded and housed in a compact SMD package measuring 12.7 mm in length, 7.11 mm in width, and 5.97 mm in height. The unit supports a standard operating temperature range from 0°C to +70°C.

Feature Summary

Provides galvanic isolation for 10Base-T network interfaces
Features a specific 1:1.414 turns ratio for signal transmission
Supports high insulation voltage up to 1.5 kV
Designed for surface mount technology (SMT) integration

Applications

10Base-T Ethernet network interface circuits
Signal isolation in legacy networking hardware
Single-port LAN transformer modules

Procurement Notes

Verify the manufacturer part number against official Pulse Electronics documentation to ensure authenticity. Confirm that the specific 1:1.414 ratio and 10Base-T designation match the design requirements. Check for RoHS compliance status and verify the operating temperature range limits for the intended environment before finalizing procurement.

Selection Notes

Select this component specifically for 10Base-T applications requiring a 1:1.414 transformation ratio. Ensure the system design accommodates the 1.5 kV insulation voltage rating. Verify that the physical dimensions fit the PCB layout constraints. Consider the unshielded nature of the device regarding electromagnetic interference susceptibility in the target application.

Part Context

The E2457NLT belongs to the audio and signal transformers category, specifically classified as a LAN transformer module. It is manufactured by Pulse Electronics and utilizes surface mount technology for automated assembly. The component serves as a critical interface element for isolating and transforming signals in 10 Mbps Ethernet networks.