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DGS4-025A Dataheets PDF



Part Number DGS4-025A
Manufacturers IXYS
Logo IXYS
Description Gallium Arsenide Schottky Rectifier
Datasheet DGS4-025A DatasheetDGS4-025A Datasheet (PDF)

DGS 4-025A DGS 3-025AS DGSK 8-025A Gallium Arsenide Schottky Rectifier IFAV = 5.4 A VRRM = 250 V CJunction = 6.4 pF Type DGS 3-025AS DGS 4-025A DGSK 8-025A Marking on product 3A250AS DGS 4-025A Single Single Circuit A C A C Package A = Anode, C = Cathode , TAB = Cathode TO-252 AA A C (TAB) A TO-220 AC C A C (TAB) DGSK 8-025A Common cathode TO-220 AB A C A A C A C (TAB) Symbol VRRM/RSM IFAV IFAV IFSM TVJ Tstg Ptot Md Conditions TC = 25°C; DC TC = 90°C; DC TVJ = 45°.

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DGS 4-025A DGS 3-025AS DGSK 8-025A Gallium Arsenide Schottky Rectifier IFAV = 5.4 A VRRM = 250 V CJunction = 6.4 pF Type DGS 3-025AS DGS 4-025A DGSK 8-025A Marking on product 3A250AS DGS 4-025A Single Single Circuit A C A C Package A = Anode, C = Cathode , TAB = Cathode TO-252 AA A C (TAB) A TO-220 AC C A C (TAB) DGSK 8-025A Common cathode TO-220 AB A C A A C A C (TAB) Symbol VRRM/RSM IFAV IFAV IFSM TVJ Tstg Ptot Md Conditions TC = 25°C; DC TC = 90°C; DC TVJ = 45°C; tp = 10 ms (50 Hz), sine TC = 25°C mounting torque (TO-220) Maximum Ratings 250 V 5.4 A 3.9 A 10 A -55...+175 °C -55...+150 °C 18 W 0.4...0.6 Nm Symbol IR VF CJ RthJC RthCH Weight Conditions TVJ = 25°C VR = VRRM TVJ = 125°C VR = VRRM IF = 2 A; IF = 2 A; TVJ = 125°C TVJ = 25°C VR = 100 V; TVJ = 125°C TO-220 TO-252 TO-220 Characteristic Values typ. max. 0.7 mA 0.7 mA 1.3 V 1.3 1.6 V 6.4 pF 8.5 K/W 0.5 K/W 0.3 g 2 g Pulse test: Pulse Width = 5 ms, Duty Cycle < 2.0 % Data according to IEC 60747 and per diode unless otherwise specified 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 435 IXYS reserves the right to change limits, test conditions and dimensions © 2004 IXYS All rights reserved 1-2 10 A 1 IF 0,1 0,01 TVJ = 125°C 25°C 100 pF CJ 10 DGS 4-025A DGS 3-025AS DGSK 8-025A Outline TO-220 TVJ = 125°C 0,001 0,0 0,5 1,0 1,5 V 2,0 VF Fig. 1 typ. forward characteristics 10 K/W 1 ZthJC 0,1 0,01 Single Pulse 1 0,1 1 10 100 V 1000 VR Fig. 2 typ. junction capacity versus blocking voltage Dim. Millimeter Min. Max. A 12.70 13.97 B 14.73 16.00 C 9.91 10.66 D 3.54 4.08 E 5.85 6.85 F 2.54 3.18 G 1.15 1.65 H 2.79 5.84 J 0.64 1.01 K 2.54 BSC M 4.32 4.82 N 1.14 1.39 Q 0.38 0.56 R 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 0,00001 0,0001 0,001 0,01 0,1 Fig. 3 typ. thermal impedance junction to case DGS3-025AS 1 s 10 t 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 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 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 IXYS reserves the right to change limits, test conditions and dimensions © 2004 IXYS All rights reserved 1 Anode 2 NC 3 Anode 4 Cathode Dim. 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 0.035 0.100 0.040 0.050 0.115 435 2-2 .


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