BYT261PIV-1000 ? august 1998 - ed: 3a fast recovery rectifier diodes very low reverse recovery time very low switching losses low noise turn-off switching insulated package : insulating voltage = 2500 v rms capacitance = 45 pf description features dual high voltage rectifiers suited for switch mode power supplies and other power converters. the devices are packaged in isotop. isotop tm (plastic) symbol parameter value unit v rrm repetitive peak reverse voltage 1000 v i frm repetitive peak forward current tp 10 m s 750 a i f(rms) rms forward current per diode 140 a i f(av) average forward current tc=60 c d = 0.5 per diode 60 a i fsm surge non repetitive forward current tp=10ms sinusoidal per diode 400 a tstg tj storage and junction temperature range - 40 to + 150 - 40 to + 150 c c isotop is a trademark of stmicroelectronics . absolute maximum ratings k2 a2 a1 k1 BYT261PIV-1000 1/5
symbol test conditions min. typ. max. unit v f * tj = 25 ci f = 60 a 1.9 v t j = 100 c 1.8 i r ** t j = 25 cv r = v rrm 100 m a t j = 100 c 6ma pulse test : * tp = 380 m s, duty cycle < 2 % ** tp = 5 ms, duty cycle < 2 % electrical characteristics (per diode) static characteristics symbol test conditions min. typ. max. unit trr t j = 25 ci f = 0.5a i r = 1a irr = 0.25a 70 ns i f = 1a v r = 30v di f /dt = -15a/ m s 170 recovery characteristics symbol parameter value unit rth (j-c) junction to case per diode 0.7 c/w total 0.4 rth (c) coupling 0.1 c/w when the diodes 1 and 2 are used simultaneously : d tj(diode 1) = p(diode) x rth(per diode) + p(diode 2) x rth(c) thermal resistance symbol test conditions min. typ. max. unit t irm di f /dt = -240a/ m sv cc = 200v i f = 60a lp 0.05 m h t j = 100 c see fig. 11 200 ns di f /dt = -480a/ m s 120 i rm di f /dt = -240a/ m s 40 a di f /dt = -480a/ m s 44 turn-off switching characteristics (without serie inductance) symbol test conditions min. typ. max. unit c = v rp v cc t j = 100 c v cc = 200v i f =i f(av ) di f /dt = -60a/ m s lp = 2.5 m h see fig.12 3.3 4.5 / to evaluate the conduction losses use the following equation : p = 1.47 x i f(av) + 0.005 x i f 2 (rms) turn-off overvoltage coefficient (with serie inductance) BYT261PIV-1000 2/5
im(a) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 50 100 150 200 250 300 350 400 450 500 t =tp/t tp im p=100w p=70w p=40w p=20w fig.2 : peak current versus form factor. im(a) 0.001 0.01 0.1 1 0 50 100 150 200 250 300 350 =0.5 t(s) im t =0.5 tc=25 c o tc=60 c o fig.3 : non repetitive peak surge current versus overload duration. k=zth(j-c)/rth(j-c) 0.001 0.01 0.1 1 10 0.1 1 =0.2 =0.1 single pulse =0.5 t(s) t =tp/t tp fig.4 : relative variation of thermal impedance junction to case versus pulse duration. pf(av) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 0 10 20 30 40 50 60 70 80 90 100 110 120 130 =0.2 =0.5 if(av)(a) t =tp/t tp =0.1 =0.05 =1 fig.1 : low frequency power losses versus average current. qrr( c) 10 100 0.1 1.0 10.0 500 if=if(av) dif/dt(a/ s) 90% confidence tj=100 c o fig.6 : recovery charge versus di f /dt. 0.1 1 10 100 0.00 0.50 1.00 1.50 2.00 2.50 3.00 vfm(v) maximum values ifm(a) tj=25 c o tj=100 c o fig.5 : voltage drop versus forward current. BYT261PIV-1000 3/5
tfr( s) 0 50 100 150 200 250 300 350 400 450 500 0.00 0.25 0.50 0.75 1.00 1.25 1.50 if=if(av) tj=100 c o dif/dt(a/ s) vfr=1.1*vf 90% confidence fig.7 : recovery time versus di f /dt. irm(a) 10 100 500 1 10 100 if=if(av) dif/dt(a/ s) 90% confidence tj=100 c o fig.8 : peak reverse current versus dif/dt. qrr;irm[tj]/qrr;irm[tj=100oc] 0 20 40 60 80 100 120 140 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 irm qrr typical values tj( c) o fig.10 : dynamic parameters versus junction temperature. vfp(v) 0 50 100 150 200 250 300 350 400 450 500 0 5 10 15 20 25 30 35 if=if(av) dif/dt(a/ s) 90% confidence tj=100 c o fig.9 : peak forward voltage versus di f /dt. fig.11 : turn-off switching characte- ristics (without serie inductance) fig.12 : turn-off switching characte- ristics (with serie inductance) lc dut vcc if vf irm vcc tirm dif/dt lc dut vcc lp if vf vrp vcc dif/dt BYT261PIV-1000 4/5
package mechanical data isotop screw version marking : type number cooling method : c weight : 28 g (without screws) electrical isolation : 2500v (rms) capacitance : < 45 pf inductance : < 5 nh ref. dimensions millimeters inches min. typ. max. min. typ. max. a 11.80 12.20 0.465 0.480 a1 8.90 9.10 0.350 0.358 b 7.8 8.20 0.307 0.323 c 0.75 0.85 0.030 0.033 c2 1.95 2.05 0.077 0.081 d 37.80 38.20 1.488 1.504 d1 31.50 31.70 1.240 1.248 e 25.15 25.50 0.990 1.004 e1 23.85 24.15 0.939 0.951 e2 24.80 0.976 g 14.90 15.10 0.587 0.594 g1 12.60 12.80 0.496 0.504 g2 3.50 4.30 0.138 0.169 f 4.10 4.30 0.161 0.169 f1 4.60 5.00 0.181 0.197 p 4.00 4.30 0.157 0.69 p1 4.00 4.40 0.157 0.173 s 30.10 30.30 1.185 1.193 - recommended torque value : 1.3 n.m (max 1.5 n.m) for the 6 x m4 screws. (2 x m4 screws recommended for mounting the package on the heatsink and the 4 screws given with the screw version). - the screws supplied with the package are adapted for mounting on a board (or other types of terminals) with a thickness of 0.6 mm min and 2.2 mm max. information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences 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 expres s written ap- proval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 1998 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - canada - china - france - germany - italy - japan - korea - malaysia - malta - mexico - morocco - the netherlands singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a. BYT261PIV-1000 5/5
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