so t -363 unit: mm 1.3 +0.1 -0.1 0.65 0.525 1.25 +0.1 -0.1 0.36 0.1 +0.05 -0.02 0.1max 0.95 +0.05 -0.05 2.3 +0.15 -0.15 0.3 +0.1 -0.1 2.1 +0.1 -0.1 features absolute maximum ratings ta = 25 parameter symbol 5 secs steady state unit drain-source voltage v ds v gate-source voltage v gs v continuous drain current (t j = 150 )* t a =25 -- t a =85 i d 0.44 0.31 0.41 0.30 a pulsed drain current i dm a continuous source current (diode conduction) * i s -0.25 -0.23 a power dissipation * t a =25 -- t a =85 p d 0.30 0.16 0.27 0.14 w operating junction and storage temperature range t j ,t stg * surface mounted on 1" x 1" fr4 board. -20 12 1.0 -55 to +150 thermal resistance ratings ta = 25 parameter symbol typical maximum unit t 5sec 360 415 steady state 400 460 maximum junction-to-foot (drain) steady state r thjf 300 350 * surface mounted on 1" x 1" fr4 board. maximum junction-to-ambient* r thja /w 4008-318-123 sales@twtysemi.com 1 of 2 http://www.twtysemi.com smd type ic smd type transistors KI1903DL product specification
smd type ic smd type transistors electrical characteristics ta = 25 parameter symbol testconditons min typ max unit gate threshold voltage v gs(th) v ds =v gs ,i d = -250 a -0.6 v gate-body leakage i gss v ds =0v,v gs = 12 v 100 na v ds =-16v,v gs =0v -1 v ds =-16 v, v gs =0v,t j =85 -5 on-state drain current i d(on) v ds =-5 v, v gs =-4.5v -1.0 a v gs =-4.5v,i d = -0.41 a 0.850 0.995 v gs =-3.6v,i d = -0.38 a 1.0 1.190 v gs = -2.5v, i d =-0.25a 1.4 1.80 forward transconductance g fs v ds =-10v,i d = -0.41 a 0.8 s diode forward voltage v sd i s = -0.23 a, v gs = 0 v -0.8 -1.2 v total gate charge * q g 1.2 1.8 gate-source charge * q gs 0.45 gate-drain charge * q gd 0.25 t d(on) 7.5 15 t r 20 40 t d(off) 8.5 17 t f 12 24 source-drain reverse recovery time trr i f = -0.23 a, d i /d t = 100 a/ s 25 40 * pulse test: pw 300 s duty cycle 2%. turn-off time turn-on time ns v ds =-10v ,v gs =-4.5v,i d = -0.41a v dd = -10v , r l =20 , i d =-0.5a , v gen =-4.5v , r g =6 nc zero gate voltage drain current i dss a drain-source on-state resistance r ds(on) KI1903DL marking marking qa 4008-318-123 sales@twtysemi.com 2 of 2 http://www.twtysemi.com product specification
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