Datasheets
S558-5999-U7-F by:
Bel Fuse
Bel Fuse
Bel Magnetic Solutions
Belden Inc
Not Found

Datacom Transformer, LAN; 10/100 BASE-T Application(s), 1CT:1CT; 1CT:1CT, ROHS COMPLIANT

Part Details for S558-5999-U7-F by Bel Fuse

Results Overview of S558-5999-U7-F by Bel Fuse

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S558-5999-U7-F Information

S558-5999-U7-F by Bel Fuse is a Pulse/Datacom Transformer.
Pulse/Datacom Transformers are under the broader part category of Transformers.

Transformers are passive components that transfer electrical energy between circuits and adjust voltage levels through electromagnetic induction. They are crucial for applications like power transmission and reducing voltage for low-voltage devices. Read more about Transformers on our Transformers part category page.

Available Datasheets

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25S558DM Rochester Electronics LLC AM25S558 - 8-Bit Combinational Multiplier
599940013 Amphenol Communications Solutions 40G QSFP Loopback 0W 5dB

Price & Stock for S558-5999-U7-F

Part # Distributor Description Stock Price Buy
DISTI # 26AC4132
Newark Telc Tx 1Ct:1Ct:1Ct:1Ct 1500Vrms -1Db Smd Rohs Compliant: Yes |Bel Magnetic Solutions S558-5999-U7-F RoHS: Compliant Min Qty: 900 Package Multiple: 1 Date Code: 0 Container: Reel 16200
  • 1 $1.0500
$1.0500 Buy Now
DISTI # 03AC3566
Newark Pulse Transformer, 1Ct:1Ct, 350Uh, Smd, Turns Ratio:1Ct:1Ct, Isolation Voltage:1.5Kv, Product Ran... ge:-, Inductance:350Μh, Dc Resistance:1.1Ohm, Et Constant:-, Svhc:No Svhc (20-Jun-2016) Rohs Compliant: Yes |Bel Magnetic Solutions S558-5999-U7-F more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 324
  • 1 $2.8100
  • 10 $2.2500
  • 25 $1.8300
  • 50 $1.7800
  • 100 $1.7400
  • 250 $1.6800
$1.6800 / $2.8100 Buy Now
DISTI # 507-1463-1-ND
DigiKey MODULE XFRMR LAN 10/100B-TX SMD Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 21022
In Stock
  • 1 $2.7500
  • 10 $1.9830
  • 25 $1.7768
  • 50 $1.6482
  • 100 $1.5393
  • 250 $1.4207
  • 900 $1.2932
  • 1,800 $1.2391
  • 2,700 $1.2114
  • 4,500 $1.1801
  • 6,300 $1.1616
$1.1616 / $2.7500 Buy Now
DISTI # S558-5999-U7-F
Avnet Americas Telecom Transformer 10/100 Base-T Magnetics Module 1CT:1CT 1500Vrms 1.1Ohm Prim. DCR 1.1Ohm Sec. DCR... SMD - Tape and Reel (Alt: S558-5999-U7-F) more RoHS: Compliant Min Qty: 900 Package Multiple: 900 Lead time: 12 Weeks, 0 Days Container: Reel 16200
  • 900 $1.0476
$1.0476 Buy Now
Onlinecomponents.com Telecom Transformer 2(1CT: 1CT) 1.1Ohm Prim. DCR 16 Terminal Gull Wing SMD RoHS: Compliant 6258 Partner Stock
  • 1 $2.8700
  • 25 $1.9000
  • 100 $1.7700
  • 900 $1.7400
  • 1,800 $1.7100
  • 2,700 $1.6800
$1.6800 / $2.8700 Buy Now
DISTI # 85022319
Verical Telecom Transformer 2(1CT:1CT) 1.1Ohm Prim. DCR 16 Terminal Gull Wing SMD RoHS: Compliant Min Qty: 58 Package Multiple: 1 Americas - 6258
  • 1 $1.0800
  • 300 $1.0600
  • 600 $1.0400
  • 900 $1.0000
$1.0000 / $1.0800 Buy Now
DISTI # 87138645
Verical Telecom Transformer 2(1CT:1CT) 1.1Ohm Prim. DCR 16 Terminal Gull Wing SMD RoHS: Compliant Min Qty: 900 Package Multiple: 900 Date Code: 2318 Americas - 1800
  • 900 $1.7680
  • 1,800 $1.6900
  • 2,700 $1.6380
  • 5,400 $1.5990
  • 8,100 $1.5730
$1.5730 / $1.7680 Buy Now
Bristol Electronics   Min Qty: 3 95
  • 3 $2.4000
  • 10 $1.8000
  • 29 $1.5000
$1.5000 / $2.4000 Buy Now
Bristol Electronics   28
RFQ
Quest Components DATACOM TRANSFORMER FOR LAN, 10/100 BASE-T APPLICATION(S) 72
  • 1 $2.1563
  • 14 $1.7250
  • 44 $1.2938
$1.2938 / $2.1563 Buy Now
Quest Components DATACOM TRANSFORMER FOR LAN, 10/100 BASE-T APPLICATION(S) 6
  • 1 $2.4500
  • 3 $1.9600
$1.9600 / $2.4500 Buy Now
DISTI # S558-5999-U7-F
Avnet Asia Telecom Transformer 10/100 Base-T Magnetics Module 1CT:1CT 1500Vrms 1.1Ohm Prim. DCR 1.1Ohm Sec. DCR... SMD (Alt: S558-5999-U7-F) more RoHS: Compliant Min Qty: 900 Package Multiple: 900 Lead time: 24 Weeks, 0 Days 0
RFQ
Master Electronics Telecom Transformer 2(1CT: 1CT) 1.1Ohm Prim. DCR 16 Terminal Gull Wing SMD RoHS: Compliant 6258 Partner Stock
  • 1 $2.8700
  • 25 $1.9000
  • 100 $1.7700
  • 900 $1.7400
  • 1,800 $1.7100
  • 2,700 $1.6800
$1.6800 / $2.8700 Buy Now
New Advantage Corporation TelecomTransformer1CT:1CT:1CT:1CT1500Vrms-1dBSurfaceMountS558599 RoHS: Compliant Min Qty: 1 Package Multiple: 900 43200
  • 900 $1.5800
  • 43,200 $1.4600
$1.4600 / $1.5800 Buy Now
Win Source Electronics MODULE XFRMR LAN 10/100B-TX SMD / Telecom Transformer 2(1CT:1CT) 1.1Ohm Prim. DCR 16 Terminal Gull W... ing SMD more 2403
  • 15 $3.4821
  • 35 $2.8572
  • 55 $2.7679
  • 75 $2.6786
  • 97 $2.5893
  • 130 $2.3214
$2.3214 / $3.4821 Buy Now

Part Details for S558-5999-U7-F

S558-5999-U7-F CAD Models

S558-5999-U7-F Part Data Attributes

S558-5999-U7-F Bel Fuse
Buy Now Datasheet
Compare Parts:
S558-5999-U7-F Bel Fuse Datacom Transformer, LAN; 10/100 BASE-T Application(s), 1CT:1CT; 1CT:1CT, ROHS COMPLIANT
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer BEL FUSE INC
Package Description ROHS COMPLIANT
Reach Compliance Code compliant
ECCN Code EAR99
Factory Lead Time 12 Weeks
Samacsys Manufacturer BelFuse
Additional Feature HEIGHT DIM. INCLUDE TERMINAL ALSO
Application LAN; 10/100 BASE-T
Height 5.72 mm
Insertion Loss 1 dB
Isolation Voltage 1500 V
JESD-609 Code e2
Length 12.32 mm
Load Resistance 1.1 Ω
Mounting Feature SURFACE MOUNT
Number of Functions 1
Number of Primary Winding 2
Number of Secondary Winding 22
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Primary Inductance 350 µH
Surface Mount YES
Terminal Finish TIN COPPER
Transformer Type DATACOM TRANSFORMER
Turns Ratio (Np:Ns) 1CT:1CT; 1CT:1CT
Width 7.24 mm

Alternate Parts for S558-5999-U7-F

This table gives cross-reference parts and alternative options found for S558-5999-U7-F. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of S558-5999-U7-F, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
PE-65457 Pulse Electronics Corporation Check for Price Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:1CT S558-5999-U7-F vs PE-65457
PE-5763MT Pulse Electronics Corporation Check for Price Pulse Transformer, GENERAL PURPOSE Application(s), 1:1:1 S558-5999-U7-F vs PE-5763MT
HS00-00096LFTR TT Electronics Resistors Check for Price Datacom Transformer, ETHERNET Application(s), 1CT:1CT, ROHS COMPLIANT S558-5999-U7-F vs HS00-00096LFTR
H5062 Pulse Electronics Corporation Check for Price Datacom Transformer, ETHERNET Application(s), 1:1; 1:1 S558-5999-U7-F vs H5062
HS00-00096LFTR TT electronics / BI Technologies Check for Price DATACOM TRANSFORMER FOR ETHERNET APPLICATION(S), ROHS COMPLIANT S558-5999-U7-F vs HS00-00096LFTR
H6062 Pulse Electronics Corporation Check for Price Datacom Transformer, ETHERNET Application(s), 1:1; 1:1, ROHS COMPLIANT S558-5999-U7-F vs H6062
23Z247SMD Pulse Electronics Corporation Check for Price Pulse Transformer, GENERAL PURPOSE Application(s), 1:1CT S558-5999-U7-F vs 23Z247SMD
S558-5999-U7 Bel Fuse Check for Price Datacom Transformer, LAN; 10/100 BASE-T Application(s), 1CT:1CT; 1CT:1CT S558-5999-U7-F vs S558-5999-U7
PE-65459T Pulse Electronics Corporation Check for Price Pulse Transformer, GENERAL PURPOSE Application(s), 1CT:2CT S558-5999-U7-F vs PE-65459T
PT61021 Bourns Inc Check for Price Datacom Transformer, 10/100/1000 BASE-T; ETHERNET Application(s), 1CT:1 S558-5999-U7-F vs PT61021

S558-5999-U7-F Related Parts

S558-5999-U7-F Frequently Asked Questions (FAQ)

  • Bel Fuse recommends a specific PCB layout and land pattern to ensure optimal performance and thermal management. It's best to consult with Bel Fuse's application notes or contact their technical support for customized guidance.

  • The S558-5999-U7-F is designed to provide excellent high-frequency noise attenuation and EMI filtering. However, the effectiveness of noise reduction depends on the specific application, PCB layout, and system design. Consult with Bel Fuse's technical support for customized guidance on noise mitigation strategies.

  • The S558-5999-U7-F is rated for operation from -40°C to 125°C. However, it's essential to consider the derating curves and thermal management strategies to ensure reliable operation within the specified temperature range.

  • The S558-5999-U7-F is a commercial-grade fuse, and its use in high-reliability or safety-critical applications may require additional testing, validation, and certification. Consult with Bel Fuse's technical support and relevant industry standards to ensure compliance with specific requirements.

  • To prevent damage and ensure reliability, it's essential to follow proper storage and handling procedures, such as storing the fuses in their original packaging, avoiding exposure to moisture and extreme temperatures, and handling them with ESD-protective equipment.