Conduction and switching — reading the numbers
The STU5N60M2: At 3.7 A continuous drain current, the 1.4 Ohm Rds(on) produces conduction loss that rises with temperature. The 45 W package limit at the case provides derating headroom. Input capacitance is 165 pF at 100 V drain. The 4 V maximum gate threshold at 250 µA means the part is fully enhanced with a 10 V drive.
Package and mounting — I-PAK in production
The I-PAK (TO-251) package has short leads and a through-hole mounting style. The tab is the drain; the PCB copper area under the package sets the thermal resistance. The junction is rated to 150 °C.
Lifecycle and supply — current production, no LTB clock
The part is ROHS3 compliant.
