1/8 stth2003ct/cg/cf/cr/cfp august 2003 - ed: 7d high frequency secondary rectifier ? dual center tap fast recovery epitaxial diodes suited for switch mode power supply and high frequency dc/dc converters. packaged in to-220ab, isowatt220ab, to-220fpab, i 2 pak or d 2 pak, this device is especially intended for secondary rectification. description n combines highest recovery and reverse voltage performance n ultra-fast, soft and noise-free recovery n insulated packages: isowatt220ab, to-220fpab electric insulation: 2000vdc capacitance: 12pf features and benefits symbol parameter value unit v rrm repetitive peak reverse voltage 300 v i f(rms) rms forward current 30 a i f(av) average forward current d = 0.5 to-220ab / d 2 pak / i 2 pak tc=140 c per diode per device 10 20 a isowatt220ab tc=125 c to-220fpab tc=115 c i fsm surge non repetitive forward current tp = 10 ms sinusoidal 110 a i rsm non repetitive avalanche current tp = 20 m s square 5a t stg storage temperature range -65 + 175 c tj maximum operating junction temperature 175 c absolute ratings (limiting values, per diode) a1 a2 k i f(av) 2x10a v rrm 300 v tj (max) 175 c v f (max) 1 v trr (max) 35 ns major product characteristics a1 a2 k d 2 pak stth2003cg a1 a2 k to-220ab stth2003ct a1 a2 k isowatt220ab STTH2003CF a1 a2 k i 2 pak stth2003cr a1 a2 k to-220fpab STTH2003CFp
stth2003ct/cg/cf/cr/cfp 2/8 symbol parameter tests conditions min. typ. max. unit i r * reverse leakage current v r = 300 v tj = 25c 20 m a tj = 125c 30 300 v f ** forward voltage drop i f = 10 a tj = 25c 1.25 v tj = 125c 0.85 1 pulse test : * t p=5ms, d <2% ** tp = 380 m s, d <2% to evaluate the maximum conduction losses use the following equation : p=0.75xi f(av) + 0.025 i f 2 (rms) static electrical characteristics (per diode) symbol parameter value unit r th (j-c) junction to case to-220ab / d 2 pak / i 2 pak per diode 2.5 c/w total 1.3 isowatt220ab per diode 3.9 total 3.2 to-220fpab per diode 4.6 total 4 r th (c) to-220ab / d 2 pak / i 2 pak coupling 0.1 isowatt220ab coupling 2.5 to-220fpab coupling 3.5 thermal resistances symbol tests conditions min. typ. max. unit trr i f = 0.5 a irr = 0.25 a i r =1a tj=25 c 25 ns i f =1a di f /dt=-50a/ m sv r =30v 35 tfr i f =10a di f /dt = 100 a/ m s v fr =1.1xv f max. tj=25 c 230 ns v fp 3.5 v s factor vcc = 200v i f =10a di f /dt = 200 a/ m s tj = 125c 0.3 - i rm 8a recovery characteristics
3/8 stth2003ct/cg/cf/cr/cfp 024681012 0 2 4 6 8 10 12 14 if(av) (a) p1(w) t d =tp/t tp d = 1 d = 0.5 d = 0.2 d = 0.1 d = 0.05 fig. 1: conduction losses versus average current (per diode). 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 1 10 100 200 vfm(v) ifm(a) tj=125c tj=25c tj=75c fig. 2: forward voltage drop versus forward current (maximum values, per diode ). 1e-3 1e-2 1e-1 1e+0 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) zth(j-c)/rth(j-c) t d =tp/t tp single pulse d = 0.5 d = 0.2 d = 0.1 fig. 3-1: relative variation of thermal impedance junction to case versus pulse duration (to-220ab /d 2 pak/i 2 pak) . 0 50 100 150 200 250 300 350 400 450 500 0 20 40 60 80 100 trr(ns) vr=200v tj=125c if=2*if(av) if=if(av) if=0.5*if(av) dif/dt(a/s) fig. 5: reverse recovery time versus di f /dt (90% confidence, per diode). 0 50 100 150 200 250 300 350 400 450 500 0 2 4 6 8 10 12 14 16 dif/dt(a/s) irm(a) vr=200v tj=125c if=2*if(av) if=if(av) if=0.5*if(av) fig. 4: peak reverse recovery current versus di f /dt (90% confidence, per diode). 1e-2 1e-1 1e+0 1e+1 0.0 0.2 0.4 0.6 0.8 1.0 zth(j-c)/rth(j-c) tp(s) t d =tp/t tp single pulse d = 0.5 d = 0.2 d = 0.1 fig. 3-2: relative variation of thermal impedance junction to case versus pulse duration (isowatt220ab).
4/8 stth2003ct/cg/cf/cr/cfp 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 tj(c) irm s factor fig. 7: relative variation of dynamic parameters versus junction temperature (reference: tj = 125c). 0 50 100 150 200 250 300 350 400 450 500 0 2 4 6 8 10 v (v) fp if=if(av) tj=125c dif/dt(a/s) fig. 8: transient peak forward voltage versus di f /dt (90% confidence, per diode) (to-220ab). 0 50 100 150 200 250 300 350 400 450 500 0 100 200 300 400 500 t (ns) fr vfr=1.1*vf max. if=if(av) tj=125c dif/dt(a/s) fig. 9: forward recovery time versus di f /dt (90% confidence, per diode). 0 5 10 15 20 25 30 35 40 0 10 20 30 40 50 60 70 80 rth(j-a) (c/w) s(cu) (cm2) fig. 10: thermal resistance junction to ambient versus copper surface under tab (epoxy printed circuit board fr4, copper thickness: 35 m m) (d 2 pak). 0 50 100 150 200 250 300 350 400 450 500 0.00 0.10 0.20 0.30 0.40 0.50 0.60 s factor vr=200v tj=125c dif/dt(a/s) fig. 6: softness factor (tb/ta) versus di f /dt (typical values, per diode).
5/8 stth2003ct/cg/cf/cr/cfp package mechanical data d 2 pak a c2 d r a2 m v2 c a1 g l l3 l2 b b2 e * * flat zone no less than 2mm 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 8.90 3.70 1.30 5.08 16.90 10.30 foot print dimensions (in millimeters) d 2 pak
6/8 stth2003ct/cg/cf/cr/cfp package mechanical data isowatt220ab ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 b 2.50 2.70 0.098 0.106 d 2.50 2.75 0.098 0.108 e 0.40 0.70 0.016 0.028 f 0.75 1.00 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 2.40 2.70 0.094 0.106 h 10.00 10.40 0.394 0.409 l2 16.00 typ. 0.630 typ. l3 28.60 30.60 1.125 1.205 l4 9.80 10.60 0.386 0.417 l6 15.90 16.40 0.626 0.646 l7 9.00 9.30 0.354 0.366 diam 3.00 3.20 0.118 0.126 package mechanical data to-220ab a c d l7 dia l5 l6 l9 l4 f h2 g g1 l2 f2 f1 e m 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
stth2003ct/cg/cf/cr/cfp 7/8 package mechanical data to-220fpab h l3 l2 l4 l6 g g1 f f1 l5 d e l7 a b dia f2 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
8/8 stth2003ct/cg/cf/cr/cfp information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap- proval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 2003 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore spain - sweden - switzerland - united kingdom - united states. http://www.st.com package mechanical data i 2 pak e d l l1 l2 b1 b b2 e a c2 a1 c 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 b 0.70 0.93 0.028 0.037 b1 1.14 1.17 0.044 0.046 b2 1.14 1.17 0.044 0.046 c 0.45 0.60 0.018 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e 10.0 10.4 0.394 0.409 l 13.1 13.6 0.516 0.535 l1 3.48 3.78 0.137 0.149 l2 1.27 1.40 0.050 0.055 ordering code marking package weight base qty delivery mode stth2003ct stth2003ct to-220ab 2.2 g 50 tube stth2003cg stth2003cg d 2 pak 1.48 g 50 tube stth2003cg-tr stth2003cg d2pak 1.48 g 500 tape & reel STTH2003CF STTH2003CF isowatt220ab 2.08 g 50 tube STTH2003CFp STTH2003CFp to-220fpab 2.08 g 50 tube stth2003cr stth2003cr i 2 pak 1.49 g 50 tube n cooling method: by conduction (c) n recommended torque value: 0.55 n.m. n maximum torque value: 0.70 n.m. n epoxy meets ul 94,v0
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