While PXI 25 A Solid State SPST Switch (40-184) offers 3- or 6-off SPST solid-state switches capable of handling 25 A signals at up to 100 V, PXI 1.5 A Solid State SPST Switch (40-185) offers 3- or 6-off SPST solid-state switches capable of handling 1.5 A signals at up to 400 V. Solid-state switch designs are based on isolated MOSFET technology, and all models are capable of switching AC or DC signals without any lifetime degradation while used within their ratings. Operating time is <250 µsec.