S558-5999-T5-F

$1.64

Description：MODULE XFRMR LAN 10/100B-TX SMD
Series：-
Mfr：Bel Fuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:c83fd44fcaad Category: Pulse Transformers Brand: Bel Fuse Inc.

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Product introduction

S558-5999-T5-F is listed in the Pulse Transformers range at ChipApex. The manufacturer field lists Bel Fuse Inc.. Its product description is MODULE XFRMR LAN 10/100B-TX SMD. Review the specifications below when checking this part for your BOM.

Pulse Transformers specifications for S558-5999-T5-F

Description：MODULE XFRMR LAN 10/100B-TX SMD
Series：-
Mfr：Bel Fuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Transformer Type：LAN 10/100 Base-T
Inductance：350µH
ET (Volt-Time)：-
Turns Ratio - Primary:Secondary：1CT:1CT Transmitter, 1CT:1CT Receiver
Mounting Type：Surface Mount
Size / Dimension：0.485" L x 0.285" W (12.32mm x 7.24mm)
Height - Seated (Max)：0.225" (5.72mm)
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-

Pulse Transformers datasheet and documents for S558-5999-T5-F

S558-5999-T5-F

Pulse Transformers Overview

The S558-5999-T5-F is a LAN pulse transformer module designed for 10/100 Base-T applications. It features a single-channel configuration with a primary-to-secondary turns ratio of 1CT:1CT for both transmitter and receiver paths. The component has an inductance of 350µH and operates within a temperature range of -40°C to +85°C. Its surface-mount package dimensions are 12.32mm in length, 7.24mm in width, and a maximum height of 5.72mm.

Pulse Transformers Feature Summary

Integrated magnetic module supporting 10/100 Base-T Ethernet standards
Symmetrical 1CT:1CT winding configuration for transmit and receive channels
Surface-mount construction optimized for automated assembly processes

Pulse Transformers Applications

Ethernet network interface cards
LAN connectivity modules
Industrial communication equipment

Pulse Transformers Procurement Notes

Verify the specific suffix T5 against the manufacturer datasheet to confirm compatibility with 10/100 Base-T requirements. Ensure the operating temperature range of -40°C to +85°C aligns with the target environment. Confirm surface-mount footprint dimensions match the PCB layout before finalizing procurement orders.

Pulse Transformers Selection Notes

Select this component when a dedicated LAN pulse transformer for 10/100 Mbps speeds is required. The 350µH inductance value supports standard impedance matching for these protocols. Consider the -40°C to +85°C rating for broader environmental tolerance compared to commercial-grade alternatives.

Pulse Transformers Part Context

This part belongs to Bel Fuse's discrete magnetics portfolio, specifically engineered for LAN signal isolation. It serves as a critical interface component between the PHY chip and the RJ45 connector, ensuring signal integrity and common-mode noise rejection in copper-based networking links.