Electrical Engineering100ฮผs Power Excursion Standard
PSU ATX 3.0 / 3.1 & Transient Excursion Calculator
Prevent sudden black-screen PC shutdowns during heavy gaming. Modern graphics cards produce extreme microsecond power spikes (transients) up to 2x rated TDP. Check if your power supply's Over-Current Protection (OCP) will trip.
Hardware Specifications
100-Microsecond (ฮผs) Transient Excursion Profile
Within Safe LimitsSteady State DrawPeak Microsecond SpikePSU OCP Trip Line
Steady System Load
753 W
GPU + CPU + 50W fans
Peak 100ฮผs Spike
1,225 W
Transient excursion
PSU Peak Capacity
1,700 W
ATX 3.0 (200% burst)
OCP Headroom
+475 W
Shutdown buffer
Power Delivery Analysis100% Stable Operation
ATX 3.0 specification requires PSUs to tolerate up to 200% of their rated wattage for 100 microseconds. An 850W ATX 3.0 unit easily absorbs the 1,225W peak spike without tripping over-current protection.