DSSK 40-008B I = 2x20 A Power Schottky Rectifier FAV V = 80 V RRM with common cathode V = 0.52 V F AC A TO-247 AD V V Type RSM RRM V V A 80 80 DSSK 40-008B C C (TAB) A A = Anode, C = Cathode , TAB = Cathode Symbol Conditions Maximum Ratings Features International standard package I 70 A FRMS Very low V I T = 130C rectangular, d = 0.5 20 A F FAV C Extremely low switching losses I T = 130C rectangular, d = 0.5 per device 40 A FAV C Low I -values RM I T = 45C t = 10 ms (50 Hz), sine 500 A FSM VJ p Epoxy meets UL 94V-0 E I = 20 A L = 100 H T = 25C non repetitive 20 mJ AS AS VJ Applications I V = 1.5V typ. f = 10 kHz repetitive 2 A AR A RRM Rectifiers in switch mode power supplies (SMPS) (dv/dt) 1000 V/s cr Free wheeling diode in low voltage T -55...+150 C converters VJ T 150 C VJM T -55...+150 C Advantages stg High reliability circuit operation P T = 25C 115 W tot C Low voltage peaks for reduced M mounting torque 0.8...1.2 Nm d protection circuits Low noise switching Weight typical 6 g Low losses Symbol Conditions Characteristic Values Dimensions see Outlines.pdf typ. max. I V = V T = 25C 20 mA R R RRM VJ V = V T = 100C 150 mA R RRM VJ V I = 20 A T = 125C 0.52 V F F VJ I = 20 A T = 25C 0.58 V F VJ I = 40 A T = 125C 0.68 V F VJ R 1.1 K/W thJC R 0.25 K/W thCH Pulse test: Pulse Width = 5 ms, Duty Cycle < 2.0% Data according to IEC 60747 and per diode unless otherwise specified. IXYS reserves the right to change limits, Conditions and dimensions. 2005 IXYS All rights reserved 1 - 2 0531DSSK 40-008B 100 1000 10000 T =150C VJ mA A pF 125C I R 100 C T I F 100C T = 25C VJ 10 1000 10 T = VJ 75C 150C 125C 25C 1 50C 25C 1 0.1 100 0.00.2 0.40.6 V 0 102030 405060 70 V 0 1020 304050 6070 V V V V R R F Fig. 1 Maximum forward voltage Fig. 2 Typ. value of reverse current Fig. 3 Typ. junction capacitance drop characteristics I vs. reverse voltage V C vs. reverse voltage V R R T R 60 10000 80 W A 50 DC A P 60 (AV) I FSM d = 0.5 40 I F(AV) d = 30 1000 40 DC 0.5 0.33 20 0.25 20 0.17 10 0.08 0 100 0 A 0 204060 10 100 1000 s 10000 040 80 120 C160 T I t C F(AV) P Fig. 4 Average forward current I Fig. 5 Forward power loss F(AV) versus case temperature T characteristics C 2 1 D = 0.5 0.33 K/W 0.25 Z 0.17 thJC 0.08 Single Pulse 0.1 DSSK 40-008B 0.01 0.0001 0.001 0.01 0.1s 1 t Fig. 6 Transient thermal impedance junction to case at various duty cycles IXYS reserves the right to change limits, Conditions and dimensions. 2005 IXYS All rights reserved 2 - 2 0531