Hi
We want W5300 for industrial tasks.whether W5300 can operate in
temperatures(-30 ° C)? 
Thanks
W5300 operate from -40 degree to 85 degree.
refer to “7. Electrical Specifications - Absolute Maximum Ratings” in datasheet.
You can downlaod Qualification report from [url]http://www.wiznet.co.kr/UpLoad_Files/ReferenceFiles/KOLAS_Test_Report_QRTC-D-0808-169_W5300.pdf[/url].
Thank you.
