march 2007 rev 8 1/10 10 stps20150c high voltage power schottky rectifier main product characteristics features and benefits high junction temperature capability good trade off between leakage current and forward voltage drop low leakage current avalanche capability specified insulated package ? to-220fpab insulating voltage = 2000 v typical package capacitance 12 pf description dual center tap schottky rectifier designed for high frequency switched mode power supplies. order codes i f(av) 2 x 10 a v rrm 150 v t j 175 c v f (max) 0.75 v part number marking stps20150ct stps20150ct STPS20150CG STPS20150CG STPS20150CG-tr STPS20150CG stps20150cr stps20150cr stps20150cfp stps20150cfp a1 a2 k k k a1 a2 k a2 a1 a1 k a2 a1 a2 k d 2 pak STPS20150CG i 2 pak stps20150cr to-220fpab stps20150cfp to-220ab stps20150ct table 1. absolute ratings (limiting values) symbol parameter value unit v rrm repetitive peak reverse voltage 150 v i f(rms) rms forward voltage 30 a i f(av) average forward current = 0.5 to-220ab i 2 pa k , d 2 pa k t c = 155 c per diode 10 a to-220fpab t c = 135 c per device 20 i fsm surge non repetitive forward current t p = 10 ms sinusoidal 180 a p arm repetitive peak avalanche power t p = 1 s t j = 25 c 6700 w t stg storage temperature range -65 to + 150 c t j maximum operating junction temperature (1) 1. condition to avoid thermal runaway for a diode on its own heatsink 175 c dptot dtj --------------- 1 rth j a ? () ------------------------- - < www.st.com
characteristics stps20150c 2/10 1 characteristics when the diodes 1 and 2 are used simultaneously: t j (diode 1) = p(diode 1) x r th(j-l) (per diode) + p(diode 2) x r th(c) to evaluate the conduction losses use the following equation: p = 0.64 x i f(av) + 0.011 i f 2 (rms) table 2. thermal resistance symbol parameter value unit r th(j-c) junction to case to-220ab, d 2 pak, i 2 pa k per diode 2.2 c/w to-220fpab 4.5 to-220ab, d 2 pak, i 2 pa k to t a l 1.3 to-220fpab 3.5 r th(c) coupling to-220ab, d 2 pak, i 2 pa k 0 . 3 to-220fpab 2.5 table 3. static electrical characteristics (per diode) symbol parameter tests co nditions min. typ max. unit i r (1) reverse leakage current t j = 25 c v r = v rrm 5.0 a t j = 125 c 5.0 ma v f (2) forward voltage drop t j = 25 c i f = 10 a 0.92 v t j = 125 c 0.69 0.75 t j = 25 c i f = 20 a 1 t j = 125 c 0.79 0.86 1. t p = 5 ms, < 2% 2. t p = 380 s, < 2% figure 1. average forward power dissipation versus average forward current (per diode) figure 2. average forward current versus ambient temperature ( = 0.5, per diode) 0123456789101112 0 1 2 3 4 5 6 7 8 9 10 i (a) f(av) p (w) f(av) t =tp/t tp = 0.05 = 0.1 = 0.2 = 0.5 = 1 0 1 2 3 4 5 6 7 8 9 10 11 12 0 25 50 75 100 125 150 175 t (c) amb i (a) f(av) t =tp/t tp r =r (to-220ab, i pak and d pak) th(j-a) th(j-c) 22 r =r (to-220fpab) th(j-a) th(j-c) r =15c/w th(j-a)
stps20150c characteristics 3/10 figure 3. normalized avalanche power derating versus pulse duration figure 4. normalized avalanche power derating versus junction temperature 0.001 0.01 0.1 0.01 1 0.1 10 100 1000 1 t (s) p p(t) p (1s) arm p arm 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 t (c) j p(t) p (25c) arm p arm figure 5. non repetitive surge peak forward current versus overload duration - maximum values, per diode (to-220ab, d 2 pa k , i 2 pa k ) figure 6. non repetitive surge peak forward current versus overload duration - maximum values, per diode (to-220fpab) 0 25 50 75 100 125 150 1.e-03 1.e-02 1.e-01 1.e+00 t(s) i (a) m i m t =0.5 to-220ab, i pak and d pak 22 t =50c c t =75c c t =125c c 0 10 20 30 40 50 60 70 80 90 100 1.e-03 1.e-02 1.e-01 1.e+00 t(s) i (a) m i m t =0.5 to-220fpab t =50c c t =75c c t =125c c figure 7. relative variation of thermal impedance junction to case versus pulse duration (to-220ab, d 2 pak, i 2 pak) figure 8. relative variation of thermal impedance junction to case versus pulse duration (to-220fpab) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-03 1.e-02 1.e-01 1.e+00 to-220ab, i pak and d pak 22 t (s) p z/r th(j-c) th(j-c) t =tp/t tp = 0.5 = 0.2 = 0.1 single pulse 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 to-220fpab t (s) p z/r th(j-c) th(j-c) t =tp/t tp = 0.5 = 0.2 = 0.1 single pulse
characteristics stps20150c 4/10 figure 9. reverse leakage current versus reverse voltage applied (typical values, per diode) figure 10. junction capacitance versus reverse voltage applied (typical values, per diode) 0 25 50 75 100 125 150 1e-1 1e+0 1e+1 1e+2 1e+3 1e+4 1e+5 i (a) r v (v) r t =175c j t =150c j t =125c j t =100c j t =25c j 1 2 5 10 20 50 100 200 10 100 1000 c(pf) f=1mhz t =25c j v (v) r figure 11. forward voltage drop versus forward current (per diode) figure 12. thermal resistance junction to ambient versus copper surface under tab - epoxy printed circuit board, copper thickness = 35 m (STPS20150CG only) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.1 1.0 10.0 100.0 i (a) fm v (v) fm t =125c (typical values) j t =25c j t =125c j 0 10 20 30 40 50 60 70 80 0 5 10 15 20 25 30 35 40 s(cm2) r (c/w) th(j-a)
stps20150c package information 5/10 2 package information epoxy meets ul94, v0. figure 13. d 2 pak footprint dimensions (in mm) table 4. d 2 pak dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 a2 0.03 0.23 0.001 0.009 b 0.70 0.93 0.027 0.037 b2 1.14 1.70 0.045 0.067 c 0.45 0.60 0.017 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 10.00 10.40 0.393 0.409 g 4.88 5.28 0.192 0.208 l 15.00 15.85 0.590 0.624 l2 1.27 1.40 0.050 0.055 l3 1.40 1.75 0.055 0.069 m 2.40 3.20 0.094 0.126 r 0.40 typ. 0.016 typ. v2 0 8 0 8 a c2 d r 2.0 min. flat zone a2 v2 c a1 g l l3 l2 b b2 e 8.90 3.70 1.30 5.08 16.90 10.30
package information stps20150c 6/10 table 5. to-220ab dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.066 f2 1.14 1.70 0.044 0.066 g 4.95 5.15 0.194 0.202 g1 2.40 2.70 0.094 0.106 h2 10 10.40 0.393 0.409 l2 16.4 typ. 0.645 typ. l4 13 14 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.20 6.60 0.244 0.259 l9 3.50 3.93 0.137 0.154 m 2.6 typ. 0.102 typ. diam. 3.75 3.85 0.147 0.151 a c d l7 dia l5 l6 l9 l4 f h2 g g1 l2 f2 f1 e m
stps20150c package information 7/10 table 6. i 2 pak dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.40 2.72 0.094 0.107 b 0.61 0.88 0.024 0.035 b1 1.14 1.70 0.044 0.067 c 0.49 0.70 0.019 0.028 c2 1.23 1.32 0.048 0.052 d 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 e 10 10.40 0.394 0.409 l 13 14 0.512 0.551 l1 3.50 3.93 0.138 0.155 l2 1.27 1.40 0.050 0.055 e d l l1 l2 b1 b b2 e a c2 a1 c
package information stps20150c 8/10 in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com. table 7. to-220fpab dimensions ref. dimensions millimeters inches min. max. min. max. a 4.4 4.6 0.173 0.181 b 2.5 2.7 0.098 0.106 d 2.5 2.75 0.098 0.108 e 0.45 0.70 0.018 0.027 f 0.75 1 0.030 0.039 f1 1.15 1.70 0.045 0.067 f2 1.15 1.70 0.045 0.067 g 4.95 5.20 0.195 0.205 g1 2.4 2.7 0.094 0.106 h 10 10.4 0.393 0.409 l2 16 typ. 0.63 typ. l3 28.6 30.6 1.126 1.205 l4 9.8 10.6 0.386 0.417 l5 2.9 3.6 0.114 0.142 l6 15.9 16.4 0.626 0.646 l7 9.00 9.30 0.354 0.366 dia. 3.00 3.20 0.118 0.126 h l3 l2 l4 l6 g g1 f f1 l5 d e l7 a b dia f2
stps20150c ordering information 9/10 3 ordering information 4 revision history ordering type marking package weight base qty delivery mode stps20150ct stps20150ct to-220ab 2.20 g 50 tube STPS20150CG STPS20150CG d 2 pak 1.48 g 50 tube STPS20150CG-tr STPS20150CG d 2 pak 1.48 g 1000 tape and reel stps20150cr stps20150cr i 2 pak 1.49 g 50 tube stps20150cfp stps20150cfp to-220fpab 2.0 g 50 tube date revision description of changes jul-2003 6d last update. 31-may-2006 7 reformatted to current standard. added ecopack statement. changed nf to pf in figure 10. 07-mar-2007 8 reworded footnote to table 1. corrected typing error in table 3.
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