DGS 9-025AS DGS 10-025A(S) DGSK 20-025A(S) IDC = 12 A VRRM = 250 V CJunction = 18 pF Gallium Arsenide Schottky Rectifier Type Marking on product Circuit Package A = Anode, C = Cathode , TAB = Cathode A DGS 9-025AS 9A250AS Single DGS 10-025A DGS 10-025AS DGS 10-025A DGS 10-025AS Single DGSK20-025A DGSK20-025AS DGSK20-025A DGSK20-025AS A Conditions TO-220 AC C TO-220 AB Common cathode C A 250 V IFAV IFAV TC = 25C; DC TC = 90C; DC 12 9 A A IFSM TVJ = 45C; tp = 10 ms (50 Hz), sine 20 A -55...+175 -55...+150 C C 34 W 0.4...0.6 Nm TC = 25C Md mounting torque (TO-220) Symbol IR VF CJ Conditions Characteristic Values typ. max. VR = VRRM; VR = VRRM; TVJ = 25C TVJ = 125C 1.3 1.3 IF = 5 A; IF = 5 A; TVJ = 125C TVJ = 25C 1.3 1.2 VR = 100 V; TVJ = 125C 18 RthJC 1.5 mA mA TO-263 AB A A C (TAB) C (TAB) A C A A A C (TAB) 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 V V pF 4.4 K/W RthCH TO-220 0.5 K/W Weight TO-252 TO-220/263 0.3 2 g g Pulse test: C (TAB) C TO-263 AB VRRM/RSM Ptot A A Maximum Ratings TVJ Tstg C (TAB) A TO-252 AA A Symbol C Pulse Width = 5 ms, Duty Cycle < 2.0 % IXYS reserves the right to change limits, test conditions and dimensions (c) 2004 IXYS All rights reserved 0435 Data according to IEC 60747 and per diode unless otherwise specified 1-3 DGS 9-025AS DGS 10-025A(S) DGSK 20-025A(S) 200 20 10 pF A 100 CJ IF 1 0,1 TVJ = 125C 25C TVJ = 125C 0,01 0,0 0,5 1,0 1,5 VF 10 0,1 V 2,0 Fig. 1 typ. forward characteristics 1 10 100 V 1000 VR Fig. 2 typ. junction capacity versus blocking voltage 10 TO-252 K/W TO-220 1 ZthJC Single Pulse 0,1 0,01 DGS10-022/025A 0,00001 0,0001 0,001 0,01 0,1 1 s 10 t Fig. 3 typ. thermal impedance junction to case Note: explanatory comparison of the basic operational behaviour of rectifier diodes and Gallium Arsenide Schottky diodes: turn on characteristics Rectifier Diode by majority + minority carriers VF (IF) extraction of excess carriers causes temperature dependant reverse recovery (trr, IRM, Qrr) delayed saturation leads to VFR IXYS reserves the right to change limits, test conditions and dimensions (c) 2004 IXYS All rights reserved GaAs Schottky Diode by majority carriers only VF (IF), see Fig. 1 reverse current charges junction capacity CJ, see Fig. 2; not temperature dependant no turn on overvoltage peak 0435 conduction forward characteristics turn off characteristics 2-3 DGS 9-025AS DGS 10-025A(S) DGSK 20-025A(S) Outlines TO-220 Dim. A B C D E F G H J K M N Q R Millimeter Min. Max. 12.70 13.97 14.73 16.00 9.91 10.66 3.54 4.08 5.85 6.85 2.54 3.18 1.15 1.65 2.79 5.84 0.64 1.01 2.54 BSC 4.32 4.82 1.14 1.39 0.38 0.56 2.29 2.79 Inches Min. Max. 0.500 0.550 0.580 0.630 0.390 0.420 0.139 0.161 0.230 0.270 0.100 0.125 0.045 0.065 0.110 0.230 0.025 0.040 0.100 BSC 0.170 0.190 0.045 0.055 0.015 0.022 0.090 0.110 Outlines TO-252 Dim. 1 Anode 2 NC 3 Anode 4 Cathode A A1 A2 b b1 b2 c c1 D D1 E E1 e e1 H L L1 L2 L3 Millimeter Min. Max. 2.19 2.38 0.89 1.14 0 0.13 0.64 0.89 0.76 1.14 5.21 5.46 0.46 0.58 0.46 0.58 5.97 6.22 4.32 5.21 6.35 6.73 4.32 5.21 2.28 BSC 4.57 BSC 9.40 10.42 0.51 1.02 0.64 1.02 0.89 1.27 2.54 2.92 Inches Min. Max. 0.086 0.094 0.035 0.045 0 0.005 0.025 0.035 0.030 0.045 0.205 0.215 0.018 0.023 0.018 0.023 0.235 0.245 0.170 0.205 0.250 0.265 0.170 0.205 0.090 BSC 0.180 BSC 0.370 0.410 0.020 0.040 0.025 0.040 0.035 0.050 0.100 0.115 Outline TO-263 (c) 2004 IXYS All rights reserved Millimeter Min. Max. Inches Min. Max. A A1 4.06 2.03 4.83 2.79 .160 .080 .190 .110 b b2 0.51 1.14 0.99 1.40 .020 .045 .039 .055 c c2 0.46 1.14 0.74 1.40 .018 .045 .029 .055 D D1 8.64 8.00 9.65 8.89 .340 .315 .380 .350 E E1 e 9.65 10.29 6.22 8.13 2.54 BSC .380 .405 .245 .320 .100 BSC L L1 L2 L3 L4 14.61 2.29 1.02 1.27 0 15.88 2.79 1.40 1.78 0.20 .575 .090 .040 .050 0 .625 .110 .055 .070 .008 R 0.46 0.74 .018 .029 0435 IXYS reserves the right to change limits, test conditions and dimensions Dim. 3-3