QH8KA1 Datasheet 30V Nch+Nch Power MOSFET llOutline TSMT8 V 30V DSS R (Max.) 73m DS(on) I 4.5A D P 2.4W 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 Reel size (mm) 180 llApplication Tape width (mm) 8 Type Switching Basic ordering unit (pcs) 3000 Motor Drive Taping code TCR Marking KA1 llAbsolute maximum ratings (T = 25C) <It is the same ratings for the Tr1 and Tr2> a Parameter Symbol Value Unit V Drain - Source voltage 30 V DSS *1 I Continuous drain current 4.5 A D *2 I Pulsed drain current 12 A D, pulse V Gate - Source voltage 20 V GSS *3 E Avalanche energy, single pulse 0.65 mJ AS *3 I Avalanche current 3 A AS *1 P 2.4 D total *4 P Power dissipation 1.5 W D *4 P element 1.25 D T Junction temperature 150 j T Range of storage temperature -55 to +150 stg www.rohm.com 1/11 2015 ROHM Co., Ltd. All rights reserved. 20150204 - Rev.002 QH8KA1 Datasheet llThermal resistance Values Parameter Symbol Unit Min. Typ. Max. *4 Thermal resistance, junction - ambient R - 83.3 - /W thJA llElectrical characteristics (T = 25C) <It is the same characteristics for the 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 j referenced to 25 Zero gate voltage I V = 30V, V = 0V - - 1 A DSS DS GS drain current Gate - Source I V = 0V, V = 20V - - 100 nA GSS DS GS 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 - 56 73 GS D Static drain - source *5 R m DS(on) on - state resistance V = 4.5V, I = 3.0A - 86 112 GS D *5 g V = 5V, I = 3A Transconductance 1.7 - - S fs DS D *1 Pw 1s, Limited only by maximum temperature allowed. *2 Pw 10s, Duty cycle 1% *3 L 0.1mH, V = 15V, R = 25, STARTING T = 25 Fig.3-1,3-2 DD G ch *4 Mounted on a ceramic board (30300.8mm) *5 Pulsed www.rohm.com 2015 ROHM Co., Ltd. All rights reserved. 2/11 20150204 - Rev.002