? 2004 ixys all rights reserved 1 - 3 0435 dgs 9-025as dgs 10-025a(s) dgsk 20-025a(s) ixys reserves the right to change limits, test conditions and dimensions type marking on product circuit package dgs 9-025as 9a250as dgs 10-025a dgs 10-025a dgs 10-025as dgs 10-025as DGSK20-025A DGSK20-025A DGSK20-025As DGSK20-025As a = anode, c = cathode , tab = cathode a to-252 aa a c (tab) i dc = 12 a v rrm = 250 v c junction = 18 pf gallium arsenide schottky rectifier single common cathode ac aca ac single features ? low forward voltage very high switching speed low junction capacity of gaas - low reverse current peak at turn off soft turn off temperature independent switching behaviour high temperature operation capability epoxy meets ul 94v-0 applications mhz switched mode power supplies (smps) small size smps high frequency converters resonant converters a a to-263 ab c (tab) a a to-263 ab c (tab) to-220 ab a c a c (tab) c to-220 ac a c (tab) symbol conditions maximum ratings v rrm/rsm 250 v i fav t c = 25 c; dc 12 a i fav t c = 90 c; dc 9 a i fsm t vj = 45c; t p = 10 ms (50 hz), sine 20 a t vj -55...+175 c t stg -55...+150 c p tot t c = 25 c34w m d mounting torque (to-220) 0.4...0.6 nm pulse test: pulse width = 5 ms, duty cycle < 2.0 % data according to iec 60747 and per diode unless otherwise specified symbol conditions characteristic values typ. max. i r v r = v rrm ;t vj = 25c 1.3 ma v r = v rrm ;t vj = 125c 1.3 ma v f i f = 5 a; t vj = 125c 1.3 v i f = 5 a; t vj = 25c 1.2 1.5 v c j v r = 100 v; t vj = 125c 18 pf r thjc 4.4 k/w r thch to-220 0.5 k/w weight to-252 0.3 g to-220/263 2 g
? 2004 ixys all rights reserved 2 - 3 0435 dgs 9-025as dgs 10-025a(s) dgsk 20-025a(s) ixys reserves the right to change limits, test conditions and dimensions 0,0 0,5 1,0 1,5 2,0 0,01 0,1 1 10 0,00001 0,0001 0,001 0,01 0,1 1 10 0,01 0,1 1 10 t s k/w 0,1 1 10 100 1000 10 100 c j i f a v f v r v pf v z thjc t vj = 125c 25c t vj = 125c 200 20 single pulse dgs10-022/025a to-220 to-252 fig. 1 typ. forward characteristics fig. 2 typ. junction capacity versus blocking voltage fig. 3 typ. thermal impedance junction to case note: explanatory comparison of the basic operational behaviour of rectifier diodes and gallium arsenide schottky diodes: conduction forward characteristics turn off characteristics turn on characteristics by majority + minority carriers v f (i f ) extraction of excess carriers causes temperature dependant reverse recovery (t rr , i rm , q rr ) delayed saturation leads to v fr rectifier diode by majority carriers only v f (i f ), see fig. 1 reverse current charges junction capacity c j , see fig. 2; not temperature dependant no turn on overvoltage peak gaas schottky diode
? 2004 ixys all rights reserved 3 - 3 0435 dgs 9-025as dgs 10-025a(s) dgsk 20-025a(s) ixys reserves the right to change limits, test conditions and dimensions outlines to-252 1 anode 2 nc 3 anode 4 cathode outline to-263 outlines to-220 dim. mi llimeter inches min. max. min. max. a 12.70 13.97 0.500 0.550 b 14.73 16.00 0.580 0.630 c 9.91 10.66 0.390 0.420 d 3.54 4.08 0.139 0.161 e 5.85 6.85 0.230 0.270 f 2.54 3.18 0.100 0.125 g 1.15 1.65 0.045 0.065 h 2.79 5.84 0.110 0.230 j 0.64 1.01 0.025 0.040 k 2.54 bsc 0.100 bsc m 4.32 4.82 0.170 0.190 n 1.14 1.39 0.045 0.055 q 0.38 0.56 0.015 0.022 r 2.29 2.79 0.090 0.110 dim. millimeter inches min. max. min. max. a 2.19 2.38 0.086 0.094 a1 0.89 1.14 0.035 0.045 a2 0 0.13 0 0.005 b 0.64 0.89 0.025 0.035 b1 0.76 1.14 0.030 0.045 b2 5.21 5.46 0.205 0.215 c 0.46 0.58 0.018 0.023 c1 0.46 0.58 0.018 0.023 d 5.97 6.22 0.235 0.245 d1 4.32 5.21 0.170 0.205 e 6.35 6.73 0.250 0.265 e1 4.32 5.21 0.170 0.205 e 2.28 bsc 0.090 bsc e1 4.57 bsc 0.180 bsc h 9.40 10.42 0.370 0.410 l 0.51 1.02 0.020 0.040 l1 0.64 1.02 0.025 0.040 l2 0.89 1.27 0.035 0.050 l3 2.54 2.92 0.100 0.115 dim. millimeter inches min. max. min. max. a 4.06 4.83 .160 .190 a1 2.03 2.79 .080 .110 b 0.51 0.99 .020 .039 b2 1.14 1.40 .045 .055 c 0.46 0.74 .018 .029 c2 1.14 1.40 .045 .055 d 8.64 9.65 .340 .380 d1 8.00 8.89 .315 .350 e 9.65 10.29 .380 .405 e1 6.22 8.13 .245 .320 e 2.54 bsc .100 bsc l 14.61 15.88 .575 .625 l1 2.29 2.79 .090 .110 l2 1.02 1.40 .040 .055 l3 1.27 1.78 .050 .070 l4 0 0.20 0 .008 r 0.46 0.74 .018 .029
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