1/9 byw51/f/g/fp/r-200 ? august 2002 - ed: 3e high efficiency fast recovery rectifier diodes to-220ab byw51-200 n suited for smps n very low forward losses n negligible switching losses n high surge current capability n insulated packages (isowatt220ab / to-220fp) : insulation voltage = 2000 v dc capacitance = 12 pf features and benefits dual center tap rectifier suited for switched mode power supplies and high frequency dc to dc converters. packaged in to-220ab, isowatt220ab, to-220fp, d 2 pak or i 2 pak, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. description isowatt220ab byw51f-200 symbol parameter value unit v rrm repetitive peak reverse voltage 200 v i f(rms) rms forward current 20 a i f(av) average forward current d = 0.5 to-220ab / d 2 pak i 2 pak tc=120c per diode 10 a per device 20 isowatt220ab tc=95 c per diode 10 per device 20 to-220fpab tc=85c per diode 10 per device 20 i fsm surge non repetitive forward current tp=10ms sinusoidal 100 a tstg storage temperature range - 65 to + 150 c tj maximum operating junction temperature 150 c absolute ratings (limiting values, per diode) a1 a2 k a1 k a2 a1 k a2 i f(av) 2x10a v rrm 200 v tj (max) 150 c v f (max) 0.85 v trr (max) 25 ns main product characteristics d 2 pak byw51g-200 k a2 a1 a1 a2 k to-220fpab byw51fp-200 a1 a2 k i 2 pak BYW51R-200 obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 2/9 symbol parameter test conditions min. typ. max. unit i r * reverse leakage current t j = 25c v r =v rrm 15 m a t j = 100c 1ma v f** forward voltage drop t j = 125c i f =8a 0.85 v t j = 125 ci f =16a 1.05 t j =25 ci f =16a 1.15 pulse test :* t p=5ms, d <2% ** tp = 380 m s, d <2% to evaluate the conduction losses use the following equation : p=0.65xi f(av) + 0.025 x i f 2 (rms) static electrical characteristics (per diode) symbol test conditions typ. max. unit trr t j = 25c i f = 0.5a i r =1a irr = 0.25a 25 ns i f =1a v r = 30v di f /dt = -50a/ m s35 tfr t j = 25c i f =1a v fr =1.1xv f max di f /dt = -50a/ m s15 ns v fp t j = 25c i f =1a di f /dt = -50a/ m s2 v recovery characteristics 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 1.4 isowatt220ab per diode 5.1 total 4.05 to-220fpab per diode 5.7 total 4.6 r th (c) coupling to-220ab / d 2 pak/i 2 pak 0.25 c/w isowatt220ab 3.0 to-220fpab 3.5 when diodes 1 and 2 are used simultaneously : d tc (diode 1) = p(diode 1) x r th(j-c) (per diode) + p(diode 2) x r th(c) thermal resistances obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 3/9 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 20 40 60 80 100 120 im(a) p=5w p=15w p=10w d t d =tp/t tp fig. 2: peak current versus form factor (per diode). 0 25 50 75 100 125 150 0 2 4 6 8 10 12 tamb(c) if(av)(a) rth(j-a)=15c/w rth(j-a)=rth(j-c) t d =tp/t tp fig. 3-1: average forward current versus ambient temperature ( d = 0.5, d 2 pak, to-220ab). 1e-3 1e-2 1e-1 1e+0 0 10 20 30 40 50 60 70 80 90 100 t(s) im(a) tc=25c tc=100c tc=75c i m t d =0.5 fig. 4-1: non repetitive surge peak forward current versus overload duration (d 2 pak, to-220ab) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 2 4 6 8 10 12 14 if(av) (a) pf(av)(w) d = 0.05 d = 0.1 d = 0.2 d = 0.5 d = 1 t d =tp/t tp fig. 1: average forward power dissipation versus average forward current (per diode). 1e-3 1e-2 1e-1 1e+0 0 10 20 30 40 50 60 70 80 t(s) im(a) tc=25c tc=100c tc=75c i m t d =0.5 fig. 4-2: non repetitive surge peak forward current versus overload duration (isowatt220ab). 0 25 50 75 100 125 150 0 2 4 6 8 10 12 tamb(c) if(av)(a) rth(j-a)=15c/w rth(j-a)=rth(j-c) isowatt220ab to-220fp t d =tp/t tp fig. 3-2: average forward current versus ambient temperature ( d = 0.5, isowatt220ab, to-220fpab). obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 4/9 1e-3 1e-2 1e-1 1e+0 0.1 1.0 t(s) k=[zth(j-c)/rth(j-c)] d = 0.5 d = 0.2 d = 0.1 single pulse t d =tp/t tp fig. 5-1: relative variation of thermal impedance junction to case versus pulse duration (d 2 pak, to-220ab). 1e-2 1e-1 1e+0 1e+1 0.1 1.0 t(s) k=[zth(j-c)/rth(j-c)] d = 0.5 d = 0.2 d = 0.1 single pulse t d =tp/t tp fig. 5-2: relative variation of thermal impedance junction to case versus pulse duration (isowatt220ab, to-220fpab). 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.1 1.0 10.0 100.0 vfm(v) ifm(a) tj=125c tj=25c fig. 6: forward voltage drop versus forward current (maximum values, per diode). 1 10 100 200 10 20 50 100 vr(v) c(pf) f=1mhz tj=25c fig. 7: junction capacitance versus reverse voltage applied (typical values, per diode). 1e-3 1e-2 1e-1 1e+0 0 10 20 30 40 50 60 70 80 t(s) im(a) tc=25c tc=100c tc=75c i m t d =0.5 fig. 4-3: non repetitive surge peak forward current versus overload duration (to-220fpab). 10 20 50 100 200 500 10 20 50 100 200 500 dif/dt(a/s) qrr(nc) if=if(av) 90% confidence tj=125c fig. 8: reverse recovery charges versus di f /dt (per diode). obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 5/9 10 20 50 100 200 500 1 10 50 dif/dt(a/s) irm(a) if=if(av) 90% confidence tj=125c fig. 9: peak reverse recovery current versus di f /dt (per diode). 0 25 50 75 100 125 150 0.25 0.50 0.75 1.00 1.25 tj(c) qrr;irm [tj] / qrr;irm [tj=125c] irm qrr fig. 10: dynamic parameters versus junction temperature. 0 5 10 15 20 25 30 35 40 0 10 20 30 40 50 60 70 80 s(cu) (cm2) rth(j-a) (c/w) fig. 11: thermal resistance junction to ambient versus copper surface under tab (epoxy printed circuit board fr4, copper thickness: 35 m m) (d 2 pak) . obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 6/9 package mechanical data to-220ab (jedec compatible) m h2 l2 a c l4 f1(x2) d f2 f g l9 l6 l7 l5 g1 e dia optional ref. dimensions millimeters inches min. max. min. max. a 4.30 4.60 0.169 0.181 c 1.22 1.32 0.048 0.052 d 2.40 2.72 0.094 0.107 e 0.33 0.70 0.013 0.028 f 0.61 0.93 0.024 0.037 f1 1.14 1.70 0.045 0.067 f2 1.14 1.70 0.045 0.067 g 4.95 5.15 0.195 0.202 g1 2.40 2.70 0.094 0.106 h2 10.00 10.40 0.394 0.409 l2 16.00 typ. 0.630 typ. l4 13.00 14.00 0.512 0.551 l5 2.65 2.95 0.104 0.116 l6 14.80 15.75 0.583 0.620 l7 6.20 6.60 0.244 0.260 l9 3.40 3.94 0.134 0.155 m 2.60 typ. 0.102 typ. dia. 3.75 3.89 0.148 0.153 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 obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 7/9 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 foot print (in millimeters) d 2 pak 8.90 3.70 1.30 5.08 16.90 10.30 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 obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
byw51/f/g/fp/r-200 8/9 package mechanical data to-220fpab 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 package mechanical data isowatt220ab (jedec compatible) 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 obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
9/9 byw51/f/g/fp/r-200 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 ? 2002 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 ordering code marking package weight base qty delivery mode byw51-200 byw51-200 to220ab 2.2 g. 50 tube byw51f-200 byw51f-200 isowatt220ab 2.08 g. 50 tube byw51g-200 byw51g-200 d 2 pak 1.48 g. 50 tube byw51fp-200 byw51fp-200 to-220fpab 2g 50 tube BYW51R-200 BYW51R-200 i 2 pak 1.49 g 50 tube n recommended torque value (to-220ab): 0.8 n.m. n maximum torque value (to-220ab): 1.0 n.m. n recommended torque value (isowatt220ab / to-220fpab): 0.55 n.m. n maximum torque value (isowatt220ab / to-220fpab): 0.70 n.m. n epoxy meets ul94,v0 obsolete product(s) - obsolete product(s) obsolete product(s) - obsolete product(s)
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