Oct 1, 2025
How a 7mΩ Difference Can Make or Break Your EV Pump Design
In EV coolant pumps (12 V to 48 V, 120–300 W), every milliohm counts.
- Higher RDS(on) = higher conduction losses
- More losses = more heat in the power stage
- More heat = shorter lifetime or bigger heat sinks
That is the difference between compact and oversized.
Between stable and overstressed.
Our DI065N08D1-AQ keeps those numbers under control:
- Junction temperature up to 175°C
- Low gate charge for fast switching
- RDS(on) < 7 mΩ
A few milliohms at the MOSFET level decide whether your cooling system runs reliably for years….
Or it creates design headaches from day one.