EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
S558-5999-42-F
Same model may have multiple batches, images only for reference.

S558-5999-42-F

Part No S558-5999-42-F
Manufacturer Bel Fuse Inc.
Catalog Pulse Transformers
Description PULSE XFMR 1 CT:1CT TX/RX 350UH  /  350µH LAN 10/100 Base-T Pulse Transformer 1CT:1CT Transmitter, 1CT:1CT Receiver Surface Mount
Datasheet
S558-5999-42-F Datasheet
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Category Transformers>Pulse Transformers
Mfr Bel Fuse Inc.
Package Bulk
Product Status Obsolete
Transformer Type LAN 10/100 Base-T
Inductance 350µH
Mounting SMD (SMT)
Dimension 1.000" L x 0.395" W (25.40mm x 10.03mm)
Height - Seated (Max) 0.215" (5.46mm)
Temperature Range - Operating 0°C ~ 70°C
Other Names S558599942-F
Standard Package 300
MSL Level 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.31.2000
Win Source Part Number 1232787-S558-5999-42-F
Ultra Librarian 3D Model Ultra Librarian S558-5999-42-F CAD Model

Description

The S558-5999-42-F is a pulse transformer manufactured by Bel Fuse Inc.

  • Transformer Type: LAN 10/100 Base-T
  • Inductance: 350 microhenries
  • Mounting: SMD technology
  • Packaging: Bulk
  • Height: 0.215 inches
  • Dimension: 1.000 inches L x 0.395 inches W
  • Operating Temperature Range: 0 degrees Celsius to 70 degrees Celsius
  • MSL Level: 2
  • REACH: Unaffected

You May Also Be Interested in

HR682480E Hanrun – Price, Stock & Datasheet
HR682480E
Hanrun
1.5kV 100/1000 Base-T SMD-24P,15.1x7.1mm Pulse Transformers RoHS
Lowest to $2.0374
Picture of GT04-111-126-A
GT04-111-126-A
ice Components, Ins.
THT GATE DRIVE TRANSFORMER
Need more? Email Us
TG111-E212NWRL Halo Electronics Inc – Price, Stock & Datasheet
TG111-E212NWRL
Halo Electronics Inc
ISO MOD 1G DUAL POE 0.35A X-TEMP
Need more? Email Us
Picture of TG1G-S202NV6RLTR
TG1G-S202NV6RLTR
Halo Electronics Inc
ISO MOD 1G DUAL 48P SMD T/R
Need more? Email Us
LP82440ANL LINK-PP – Price, Stock & Datasheet
LP82440ANL
LINK-PP
1.5kV 1CT:1CT 1000Base-T SMD,15.1x10mm Pulse Transformers RoHS
Lowest to $0.5279
S558-5999-AA-F Bel Fuse Inc. – Price, Stock & Datasheet
S558-5999-AA-F
Bel Fuse Inc.
MODULE XFRMR LAN 10/100B-TX SMD
Need more? Email Us
G48C01S Jansum Electronics Dongguan Co.,Ltd – Price, Stock & Datasheet
G48C01S
Jansum Electronics Dongguan Co.,Ltd
350uH 100/1000M LAN Transformer 1:1 Surface Mount-48P,27.8x12.2mm
Lowest to $0.5865
TG110-ESV01N6RL Halo Electronics Inc – Price, Stock & Datasheet
TG110-ESV01N6RL
Halo Electronics Inc
ISO MOD 10/100 SHOCK/VIB X-TEMP
Need more? Email Us
VP8019HF Pulse – Price, Stock & Datasheet
VP8019HF
Pulse
1.5kV 1CT:1CT 10/100 Base-T SMD,15.2x13.7mm Pulse Transformers RoHS
Lowest to $1.1642

Top Sellers

BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.6527
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.6632
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.2055
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.2271
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.2271
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess