SMLVT3V3 low voltage transil tm n unidirectional transil diode n peak pulse power : 600 w (10/1000 m s) n reverse stand-off voltage = 3.3 v n low clamping factor n fast response time n ul recognized features smb (jedec do-214aa) symbol parameter value unit p pp peak pulse power dissipation (see note 1) tj initial = t amb 600 w p power dissipation on infinite heatsink t amb = 75c 5w i fsm non repetitive surge peak forward current t p =10ms tj initial = t amb 50 a t stg t j storage temperature range maximum junction temperature -65to+175 175 c c t l maximum lead temperature for soldering during 10 s 260 c note 1 : for a surge greater than the maximum values, the diode will fail in short-circuit. absolute maximum ratings (t amb = 25c) description the SMLVT3V3 is a transil diode designed specifically for protecting 3.3v supplied sensitive equipment against transient overvoltages. transil diodes provide high overvoltage protection by clamping action. their instantaneous response to transient overvoltages makes then particularly suited to protect voltage sensitive devices surb as mos technology and low voltage supply ics. symbol parameter value unit r th (j-l) junction to leads 20 c/w r th (j-a) junction to ambient on printed circuit on recommended pad layout 100 c/w thermal resistance product specification 1 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com
SMLVT3V3 i i f v f v v cl v br v rm i pp i rm v symbol parameter v rm stand-off voltage. v br breakdown voltage. v cl clamping voltage. i rm leakage current @ v rm . i pp peak pulse current. a t voltage temperature coefficient v f forward voltage drop electrical characteristics (t amb = 25c) type i rm @v rm v br @i r v cl @i pp v cl @i pp a tc max min max max max max note 2 10/1000 m s 8/20 m s note 3 note 4 avvmavava10 -4 /c pf SMLVT3V3 200 3.3 4.1 1 7.3 50 10.3 200 -5.3 5200 10 s 1000 s %i pp 100 50 0 t pl u se waveform 10/1000 s note 2 : pulse test : t p <50ms note 3 : d v br = a t * (t amb - 25) * v br (25c). note 4 : v r = 0v,f= 1mhz. 0 25 50 75 100 125 150 175 200 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 tj initial (c) p [tj initial] pp p [tj initial = 25c] pp fig. 1 : peak pulse power dissipation versus initial junction temperature (printed circuit board). product specification 2 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com
SMLVT3V3 package mechanical data smb (plastic) - jedec do-214aa ref. dimensions millimeters inches min. typ. max. min. typ. max. a1 1.90 2.15 2.45 0.075 0.085 0.096 a2 0.05 0.15 0.20 0.002 0.006 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.41 0.006 0.016 e 5.10 5.40 5.60 0.201 0.213 0.220 e1 4.05 4.30 4.60 0.159 0.169 0.181 d 3.30 3.60 3.95 0.130 0.142 0.156 l 0.75 1.15 1.60 0.030 0.045 0.063 d e e1 c a1 a2 b l marking : logo, data code, type code and cathod band 1.52 2.75 2.3 1.52 footprint dimensions (millimeter) smb plastic. weight = 0.12 g packaging : standard packaging is in tape and reel. sm lvt 3v3 surface mount low voltage transil stand-off-voltage order code product specification 3 of 3 4008-318-123 sales@twtysemi.com http://www.twtysemi.com
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