n a 1 in2 pad of 2 oz copper. TYPICAL MAXIMUM 2.5 50 UNIT °C / W 2019/8/13 p.1 EMP21N03HR ELECTRICAL CHARACTERISTICS (TJ = 25 °C, Unless Otherwise Noted) PARAMETER SYMBOL TEST CONDITIONS LIMITS UNIT MIN TYP MAX STATIC Drain-Source Breakdown Voltage Gate Threshold Voltage Gate-Body Leak.