Microspire just developed a ruggedizzed 300mW push pull transformer with 2400Vrms DWV in a 8.7 x 5.7 x 7.7 mm package weighing less than 2 grams.
It has been designed to work with a MAX845 circuit under a -55°C+125°C temperature range and it is described into the attached data sheet.
Ruggedizzed 300mW push pull transformer with 2400Vrms DWV
Microspire