QH8KA2 Datasheet 30V Nch + Nch Small Signal MOSFET llOutline V 30V DSS R (Max.) 35m DS(on) TSMT8 I 4.5A D P 1.5W D llFeatures llInner circuit 1) Low on - resistance 2) Small Surface Mount Package (TSMT8) 3) Pb-free lead plating RoHS compliant 4) Halogen Free llPackaging specifications Embossed Packing Tape llApplication Reel size (mm) 180 Switching Tape width (mm) 8 Type Motor Drive Basic ordering unit (pcs) 3000 Taping code TCR Marking KA2 llAbsolute maximum ratings (T = 25C ,unless otherwise specified) <Tr1 and Tr2> a Parameter Symbol Value Unit Drain - Source voltage V 30 V DSS I Continuous drain current 4.5 A D *1 I Pulsed drain current 12 A DP V Gate - Source voltage 20 V GSS *2 I Avalanche current, single pulse 4.5 A AS *2 E Avalanche energy, single pulse 1.5 mJ AS *3 P 1.5 D Power dissipation (total) W *4 P 1.1 D T Junction temperature 150 j T Operating junction and storage temperature range -55 to +150 stg www.rohm.com 1/11 20180608 - Rev.003 2018 ROHM Co., Ltd. All rights reserved. QH8KA2 Datasheet llThermal resistance Values Parameter Symbol Unit Min. Typ. Max. *3 R - - 83.3 thJA Thermal resistance, junction - ambient (total) /W *4 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 I = 1mA (BR)DSS D Breakdown voltage - 21 - 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 - - 100 nA GSS GS DS leakage current Gate threshold V V = V , I = 1mA 1.0 - 2.5 V GS(th) DS GS D voltage V I = 1mA GS(th) D Gate threshold voltage - -3 - mV/ temperature coefficient T referenced to 25 j V = 10V, I = 4.5A - 25 35 GS D Static drain - source *5 R m DS(on) on - state resistance V = 4.5V, I = 4.5A - 40 56 GS D R Gate resistance f = 1MHz, open drain - 3 - G Forward Transfer *5 Y V = 5V, I = 4.5A 1.4 - - S fs DS D Admittance *1 Pw 10s, Duty cycle 1% *2 L 0.1mH, V = 15V, R = 25, Starting T = 25 Fig.3-1,3-2 DD G j *3 Mounted on a ceramic board (30300.8mm) *4 Mounted on a FR4 (25250.8mm) *5 Pulsed www.rohm.com 2018 ROHM Co., Ltd. All rights reserved. 2/11 20180608 - Rev.003