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| DSSK 50-0025B Power Schottky Rectifier with common cathode Preliminary Data IFAV = 2x25 A VRRM = 25 V VF = 0.42 V VRSM V 25 VRRM V 25 Type A C A TO-247 AD DSSK 50-0025B A C A C (TAB) A = Anode, C = Cathode , TAB = Cathode Symbol IFRMS IFAV IFAV IFSM EAS IAR (dv/dt)cr TVJ TVJM Tstg Ptot Md Weight Conditions TC = 125C; rectangular, d = 0.5 TC = 125C; rectangular, d = 0.5; per device TVJ = 45C; tp = 10 ms (50 Hz), sine IAS = tbd A; L = 180 H; TVJ = 25C; non repetitive VA =1.5 * VRRM typ.; f=10 kHz; repetitive Maximum Ratings 50 25 50 330 tbd tbd tbd -55...+150 150 -55...+150 A A A A mJ A V/ms C C C W Nm g Features * International standard package * Very low VF * Extremely low switching losses * Low IRM-values * Epoxy meets UL 94V-0 Applications * Rectifiers in switch mode power supplies (SMPS) * Free wheeling diode in low voltage converters TC = 25C mounting torque typical 90 0.8...1.2 6 Advantages * High reliability circuit operation * Low voltage peaks for reduced protection circuits * Low noise switching * Low losses Symbol IR VF Conditions TVJ = 25C VR = VRRM TVJ = 100C VR = VRRM IF = 25 A; IF = 25 A; IF = 50 A; TVJ = 125C TVJ = 25C TVJ = 125C Characteristic Values typ. max. 12 80 0.42 0.51 0.63 1.4 0.25 mA mA V V V K/W K/W Dimensions see outlines.pdf RthJC RthCH 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. 007 (c) 2000 IXYS All rights reserved 1-2 DSSK 50-0025B 100 1000 A IF mA TVJ=150C 10000 pF CT IR 100 125C 100C 10 10 75C TVJ = 150C 125C 25C 1000 1 50C 0.1 25C TVJ= 25C 1 0.0 0.01 0.2 0.4 VF 0.6 V 0 5 10 15 20 V 25 VR 100 0 5 10 15 VR 20 V 25 Fig. 1 Maximum forward voltage drop characteristics 60 A 50 IF(AV) 40 30 d=0.5 DC Fig. 2 Typ. value of reverse current IR versus reverse voltage VR 35 W 30 25 20 15 d= DC 0.5 0.33 0.25 0.17 0.08 Fig. 3 Typ. junction capacitance CT versus reverse voltage VR 10000 P(AV) A IFSM 1000 20 10 0 0 40 80 TC 120 C 160 10 5 0 0 10 20 30 IF(AV) 40 A 100 10 100 1000 s 10000 tP Fig. 4 Average forward current IF(AV) versus case temperature TC 2 1 K/W ZthJC D=0.5 0.33 0.25 0.17 0.08 Fig. 5 Forward power loss characteristics Single Pulse 0.1 0.01 0.0001 DSSK 50-0025B 0.001 0.01 0.1 1 t s 10 Fig. 6 Transient thermal impedance junction to case at various duty cycles Note: All curves are per diode 007 (c) 2000 IXYS All rights reserved 2-2 |
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