WURTH ELEKTRONIK - 74991104404 - Ethernet- & LAN-Transformator, 1000 Base-T, kein PoE, 1 Port, 1:1, 350 µH, 2.25 kV
Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Farnell)
Country of origin: CN
Mouser
Supply Risk Summary
Supply chain risk trend is available on Pro and Enterprise plans.
Single source
Sign in to view detailed supply risk factors and indicators.
View PlansConfirmed Stock
41
Availability is incomplete; unknown stock and unidentified marketplace inventory are excluded.
Single source
Best Unit Price
—
Availability
1of 3 suppliers
Fastest delivery: 154 days
Shortest factory lead: 22 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
 | 41 | 154 days | — | Minimum order quantity 1 | — | In Stock | |
 | Unknown | — | 22 weeks | Minimum order quantity 1 | Tray | Unknown | |
 | 74991104404 | 0 | 154 days | — | Minimum order quantity 1 | Tray | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Würth Elektronik 74991104404 | WE-RJ45LAN Integrated Transformer | No | MSL 1 | Active | — | Signal & Communications | CN | 6.3 g | 85366990820 (EU national) | Tray | |
Mouser 710-74991104404 | Modular Connectors / Ethernet Connectors WE-RJ45LAN Integrated Transformer 10/100/1000BASE-T THT 1x1 LED L/R green/yellow | Yes | — | — | — | Modular Connectors / Ethernet Connectors | — | 0.0063 g | 8536693000 (EU TARIC) | Tray | |
Farnell 4836771 | WURTH ELEKTRONIK - 74991104404 - Ethernet- & LAN-Transformator, 1000 Base-T, kein PoE, 1 Port, 1:1, 350 µH, 2.25 kV | — | — | Active | No SVHC (04-Feb-2026) | — | CN | — | 85043300 (EU CN) | — |
Technical Attributes
Common Mode Rejection Ratio-35dB
Common Mode Rejection Ratio-30dB
Common Mode Rejection Ratio-32dB
Contact MaterialPhosphor Bronze
Contact Plating30µ" Gold over 50µ" Nickel
Crosstalk-30dB
Crosstalk-33dB
cURus ApprovalE472316
cURus Approval StandardUL 62368-1
Data rate1000BASE-T
Date-CodeYYWW
Extended Temperature RangeYes
Forward Voltage [max.].2.5Volt
Forward Voltage [min.].1.8Volt
Height0.0138Meter
HPLENo
Inductance0.00035Henry
Insertion Loss-1dB
Insulation Test Voltage2250Volt
LED (Left-Right)yellow/green-yellow/green
LED Connection Leftyellow-green
LED Connection Rightyellow-green
Length0.0215Meter
Life Cycle TimeEstimated lifetime > 10 years
Marking74991104404
Mating Cycle750
Max. Operating Temperature85Degree Celsius
Min. Operating Temperature-40Degree Celsius
MountTHT
Number of Ports1
PHY Chip Modevoltage
Plastic Housing Flammability RatingUL94 V-0
Plastic Housing MaterialThermoplastic LCP Black
PoEnon-PoE
REACh Approval(EC)1907/2006
REACh ApprovalConform or declared
Relative Humidity75Percentage/Relativehumidity
Return Loss-10dB
Return Loss-12dB
Return Loss-13.5dB
Return Loss-16dB
Shield TabsNo
Shielding MaterialBrass
Shielding Plating30µ" Nickel
StatusValid
Tab PositionUp
Turns Ratio1:1
USBNo
Width0.01575Meter