QS8J4 Datasheet -30V Pch + Pch Small Signal MOSFET llOutline V -30V DSS R (Max.) 56m DS(on) TSMT8 I 4A D P 1.5W D llFeatures llInner circuit 1) Low on - resistance 2) Built-in G-S protection diode 3) Small surface mount package(TSMT8) 4) Pb-free lead plating RoHS compliant llPackaging specifications Embossed Packing Tape llApplication Reel size (mm) 180 Switching Tape width (mm) 8 Type Basic ordering unit (pcs) 3000 Taping code TR Marking J04 llAbsolute maximum ratings (T = 25C ,unless otherwise specified) <Tr1 and Tr2> a Parameter Symbol Value Unit V Drain - Source voltage -30 V DSS Continuous drain current I 4 A D *1 I Pulsed drain current 16 A DP Gate - Source voltage V 20 V GSS *2 P 1.5 D Power dissipation (total) W *3 P 1.1 D Junction temperature T 150 j T Operating junction and storage temperature range -55 to +150 stg www.rohm.com 1/11 20180921 - Rev.003 2018 ROHM Co., Ltd. All rights reserved. QS8J4 Datasheet llThermal resistance Values Parameter Symbol Unit Min. Typ. Max. *2 R - - 83.3 thJA Thermal resistance, junction - ambient (total) /W *3 R - - 113 thJA llElectrical characteristics (T = 25C) <Tr1 and Tr2> a Values Parameter Symbol Conditions Unit Min. Typ. Max. Drain - Source breakdown V V = 0V, I = -1mA -30 - - V (BR)DSS GS D voltage V (BR)DSS I = -1mA D Breakdown voltage - -24.1 - mV/ temperature coefficient T referenced to 25 j Zero gate voltage I V = -30V, V = 0V - - -1 A DSS DS GS drain current Gate - Source I V = 20V, V = 0V - - 10 A GSS GS DS leakage current Gate threshold V V = -10V, I = -1mA -1.0 - -2.5 V GS(th) DS D voltage V I = -1mA GS(th) D Gate threshold voltage - 3.3 - mV/ temperature coefficient T j referenced to 25 V = -10V, I = -4A - 40 56 GS D Static drain - source *4 R V = -4.5V, I = -2A - 55 77 m DS(on) GS D on - state resistance V = -4.0V, I = -2A - 60 84 GS D R Gate resistance f = 1MHz, open drain - 19 - G Forward Transfer *4 Y V = -10V, I = -4A 3 - - S fs DS D Admittance *1 Pw 10s, Duty cycle 1% *2 Mounted on a ceramic board (30300.8mm) *3 Mounted on a FR4 (25250.8mm) *4 Pulsed www.rohm.com 2018 ROHM Co., Ltd. All rights reserved. 2/11 20180921 - Rev.003