rrh040p03.pdf datasheet:

SMD Type MOSFETP-Channel MOSFETRRH040P03 (KRH040P03)SOP-8 Unit:mm Features VDS (V) =-30V ID =-4 A (VGS =-10V)1.50 0.15 RDS(ON) 75m (VGS =-10V) RDS(ON) 115m (VGS =-4.5V)1 Source 5 Drain RDS(ON) 125m (VGS =-4V)6 Drain2 Source7 Drain3 Source8 Drain4 GateSDSDSD GD Absolute Maximum Ratings Ta = 25Parameter Symbol Rating Unit Drain-Source Voltage VDS -30V Gate-Source Voltage VGS 20 Continuous Drain Current ID 4A Pulsed Drain Current (Note.1) IDM 16(Note.2)2 Power Dissipation PD W(Note.3)0.65 Avalanche energy, Single Pulse (Note.4) EAS 0.1 mJ(Note.2)62.5 Thermal Resistance.Junction- to-Ambient RthJA /W(Note.3)192 Junction Temperature TJ 150 Junction Storage Temperature Range Tstg -55 to 150Note.1: Pw 10 us, Duty cycle1%Note.2: Moun