december 2010 doc id 17391 rev 1 1/9 9 STTH4R02-Y automotive ultrafast recovery diode features very low conduction losses negligible switching losses low forward and reverse recovery times high junction temperature aec-q101 qualified description the stth4r02 uses st's new 200 v planar pt doping technology, and it is specially suited for switching mode base drive and transistor circuits. packaged smb, smc, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection in automotive applications. table 1. device summary symbol value i f(av) 4 a v rrm 200 v t j (max) 175 c v f (typ) 0.76 v t rr (typ) 16 ns k a k a smb stth4r02uy smc stth4r02sy www.st.com
characteristics STTH4R02-Y 2/9 doc id 17391 rev 1 1 characteristics to evaluate the conduction losses use the following equation: p = 0.67 x i f(av) + 0.04 i f 2 (rms) table 2. absolute ratings (limiting values at t j = 25 c, unless otherwise specified) symbol parameter value unit v rrm repetitive peak reverse voltage 200 v i f(rms) forward rms current 70 a i f(av) average forward current, = 0.5 t c = 95 c 4 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 70 a t stg storage temperature range -65 to +175 c t j operating junction temperature range -40 to +175 c table 3. thermal parameters symbol parameter value unit r th(j-c) junction to case 20 c/w table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) 1. pulse test: t p = 5 ms, < 2 % reverse leakage current t j = 25 c v r = v rrm 3 a t j = 125 c 2 20 v f (2) 2. pulse test: t p = 380 s, < 2 % forward voltage drop t j = 25 c i f = 12 a 1.15 1.25 v t j = 25 c i f = 4 a 0.95 1.05 t j = 150 c 0.76 0.83 table 5. dynamic characteristics symbol parameter test conditions min. typ. max. unit t rr reverse recovery time i f = 1 a, di f /dt = -50 a/s, v r = 30 v, t j = 25 c 24 30 ns i f = 1 a, di f /dt = -100 a/s, v r = 30 v, t j = 25 c 16 20 i rm reverse recovery current i f = 4 a, di f /dt = -200 a/s, v r = 160 v, t j = 125 c 4.4 5.5 a t fr forward recovery time i f = 4 a, di f /dt = 50 a/s v fr = 1.1 x v fmax , t j = 25 c 80 ns v fp forward recovery voltage i f = 4 a, di f /dt = 50 a/s, t j = 25 c 1.6 v
STTH4R02-Y characteristics doc id 17391 rev 1 3/9 figure 1. peak current versus duty cycle figure 2. forward voltage drop versus forward current (typical values) 0 5 10 15 20 25 30 35 40 45 50 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 i m (a) t d =tp/t tp i m t =tp/t tp i m p = 2 w p = 2 w p = 1 w p = 1 w p = 5 w p = 5 w i fm (a) 0 25 50 75 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 t j =25c t j =150c v fm (v) figure 3. forward voltage drop versus forward current (maximum values) figure 4. relative variation of thermal impedance, junction to ambient, versus pulse duration (smb) 0 10 20 30 40 50 60 70 80 90 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 i fm (a) t j =25c t j =150c v fm (v) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 z th(j-a) /r th(j-a) smb s cu =1cm2 t p (s) figure 5. relative variation of thermal impedance, junction to ambient, versus pulse duration (smc) figure 6. junction capacitance versus reverse applied voltage (typical values) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 z th(j-a) /r th(j-a) smc s cu =1cm2 t p (s) 10 100 1 10 100 1000 c(pf) f=1mhz v osc =30mv rms t j =25c v r (v)
characteristics STTH4R02-Y 4/9 doc id 17391 rev 1 figure 7. reverse recovery charges versus di f /dt (typical values) figure 8. reverse recovery time versus di f /dt (typical values) 0 20 40 60 80 100 120 0 50 100 150 200 250 300 350 400 450 500 q rr (nc) i f =4a v r =160v t j =125c t j =25c di f /dt(a/s) 0 10 20 30 40 50 60 70 80 10 100 1000 t rr (ns) i f =4a v r =160v t j =125c t j =25c di f /dt(a/s) figure 9. peak reverse recovery current versus di f /dt (typical values) figure 10. dynamic parameters versus junction temperature 0 2 4 6 8 10 0 50 100 150 200 250 300 350 400 450 500 i rm (a) i f =4a v r =160v t j =125c t j =25c di f /dt(a/s) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 25 50 75 100 125 150 q rr ;i rm [t j ]/q rr ;i rm [t j =125c] i rm q rr i f =4a v r =160v t j (c) figure 11. thermal resistance, junction to ambient, versus copper surface under tab - smb figure 12. thermal resistance, junction to ambient, versus copper surface under tab - smc 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 r th(j-a) (c/w) smb s cu (cm2) epoxy printed circuit board fr4, copper thickness = 35 m 0 10 20 30 40 50 60 70 80 90 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 r th(j-a) (c/w) smc s cu (cm2) epoxy printed circuit board fr4, copper thickness = 35 m
STTH4R02-Y ordering information scheme doc id 17391 rev 1 5/9 2 ordering information scheme figure 13. ordering information scheme stth 4 r 02 xxx ultrafast switching diode average forward current 4 = 4 a 02 = 200 v u = smb in tape and reel s = smc in tape and reel y = automotive grade model r package repetitive peak reverse voltage
package information STTH4R02-Y 6/9 doc id 17391 rev 1 3 package information epoxy meets ul94, v0 band indicates cathode on smb and smc in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 14. footprint, dimensions in mm (inches) table 6. smb dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.40 0.006 0.016 d 3.30 3.95 0.130 0.156 e 5.10 5.60 0.201 0.220 e1 4.05 4.60 0.159 0.181 l 0.75 1.50 0.030 0.059 e c l e1 d a1 a2 b 2.60 5.84 1.62 2.18 1.62 (0.064) (0.102) (0.300) (0.064) (0.086)
STTH4R02-Y package information doc id 17391 rev 1 7/9 figure 15. footprint, dimensions in mm (inches) table 7. smc dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b (1) 1. dimensions b and c apply to plated leads 2.90 3.20 0.114 0.126 c (1) 0.15 0.40 0.006 0.016 d 5.55 6.25 0.218 0.246 e 7.75 8.15 0.305 0.321 e1 6.60 7.15 0.260 0.281 e2 4.40 4.70 0.173 0.185 l 0.75 1.50 0.030 0.059 e c l e2 e1 d a1 a2 b 8.19 1.54 5.11 1.54 (0.061) (0.201) (0.322) (0.124) (0.061) 3.14
ordering information STTH4R02-Y 8/9 doc id 17391 rev 1 4 ordering information 5 revision history table 8. ordering information order code marking package weight base qty delivery mode stth4r02uy 4r2uy smb 0.107 g 2500 tape and reel stth4r02sy 4r2sy smc 0.243 g table 9. document revision history date revision changes 03-dec-2010 1 first issue.
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