WHSG24719PTG Single Port SMD Gigabit Base-T PIN24 PoE LAN Transformer
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WHSG24719PTG Cross Reference
VOOHU WHSG24719PTG can replace Würth Elektronik 7490220122. See the evaluation reports below for details.
| Manufacturer | Part Number | Relationship | Evaluation |
|---|---|---|---|
| Würth Elektronik | 7490220122 | Replacement | 7490220122 evaluation report |
Based on VOOHU replacement evaluations. Check both datasheets and validate with samples before switching.
The WHSG24719PTG suits wide-temperature single-port Gigabit PoE ports that need a higher centre-tap current capability.Typical uses are the high-power ports of industrial PoE switches, outdoor PTZ cameras and wide-temperature gateways feeding a remote device. Its datasheet states "IEEE802.3at compliant performance---900mA Current Capability", the highest bare current figure published in this package.
The WHSG24719PTG operates from -40 °C to +85 °C, and that lower limit is a component rating rather than a demonstrated cold start for the finished product. Other single-port options are listed in the100/1000 BASE-T range.
Higher in the figure itself, but both parts print their current the same way and neither states a basis, so the difference cannot be read straight across as extra usable current at the port.The WHSG24719PTG and theWHSG24706-1PTGeach carry a single IEEE802.3at line with one bare current value, with no wording that separates per channel from full channels.
What is certain on that evidence is narrow: VOOHU rates the WHSG24719PTG for a higher centre-tap current than the 720 mA part in the same package. Turning that into port wattage or copper width for the four centre-tap paths needs the basis confirmed first, so send VOOHU the target PSE wattage and port current for the design.
Start with temperature, then with the kind of current statement you need, because these two parts do not print current on the same basis and their figures cannot be compared directly.The WHSG24719PTG is the wide-temperature part at -40 °C to +85 °C and gives one bare current value with no stated basis. TheWHSG24702PGruns from 0 °C to +70 °C and gives its current on two levels, per channel and across full channels, so a port-level total can go straight into a sign-off document.
Take the WHSG24719PTG for industrial and outdoor equipment; take the other part where the equipment stays indoors and the project has to sign off against a port total, which saves a clarification. Package, suggested land pattern and pin assignment are identical, so the change is an electrical decision only.
