View irf540z datasheet:

PD - 94644 IRF540Z AUTOMOTIVE MOSFET HEXFET® Power MOSFET Features D Advanced Process Technology VDSS = 100V Ultra Low On-Resistance Dynamic dv/dt Rating RDS(on) = 29.5m? 175°C Operating Temperature G Fast Switching Repetitive Avalanche Allowed up to Tjmax ID = 34A S Description Specifically designed for Automotive applications, this HEXFET® Power MOSFET utilizes the latest processing techniques to achieve extremely low on-resistance per silicon area. Additional features of this design are a 175°C junction operating temperature, fast switching speed and improved repetitive avalanche rating . These features combine to make this design an extremely efficient and reliable device for use in Automo- tive applications and a wide variety of other applications. TO-22