Op amps with either input grounded have a fixed input capacitance parameter, CI, and this device has a 7660pF @ 25V maximal input capacitance.To operate this transistor, you will need a 200V drain to source voltage (Vdss).A device like this reduces its overall power consumption when it uses drive voltage (10V).
IXFQ140N20X3 Features
a 200V drain to source voltage (Vdss)
IXFQ140N20X3 Applications
There are a lot of IXYS IXFQ140N20X3 applications of single MOSFETs transistors.
Synchronous Rectification for ATX 1 Server I Telecom PSU