DSS 25-0045A IFAV = 25 A VRRM = 45 V VF = 0.59 V Power Schottky Rectifier VRSM VRRM V V 45 45 TO-220 AC Type A C C A DSS 25-0045A C (TAB) A = Anode, C = Cathode , TAB = Cathode Symbol Conditions Maximum Ratings IFRMS IFAV TC = 155°C; rectangular, d = 0.5 IFSM TVJ = 45°C; tp = 10 ms (50 Hz), sine EAS IAR 35 25 A A 400 A IAS = 18 A; L = 180 µH; TVJ = 25°C; non repetitive 46 mJ VA =1.5 • VRRM typ.; f=10 kHz; repetitive 1.8 A (dv/dt)cr 1000 TVJ TVJM Tstg Ptot TC = 25°C Md mounting torque Weight typical Symbol Conditions IR VF -55...+175 175 -55...+150 °C °C °C 135 W 0.4...0.6 2 Nm g Characteristic Values typ. max. TVJ = 25°C VR = VRRM TVJ = 125°C VR = VRRM IF = 25 A; IF = 25 A; IF = 50 A; V/ms 1 10 TVJ = 125°C TVJ = 25°C TVJ = 125 °C RthJC RthCH 0.5 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 Advantages • High reliability circuit operation • Low voltage peaks for reduced protection circuits • Low noise switching • Low losses Dimensions see outlines.pdf mA mA 0.59 0.69 0.73 V V V 1.1 K/W K/W IXYS reserves the right to change limits, Conditions and dimensions. © 2002 IXYS All rights reserved 232 Pulse test: Pulse Width = 5 ms, Duty Cycle < 2.0 % Data according to IEC 60747 and per diode unless otherwise specified 1-2 DSS 25-0045A 100 10000 100 mA A pF TVJ=175°C IR IF 10 CT 150°C 1 125°C 10 1000 100°C 0.1 TVJ = 175°C 150°C 125°C 25°C 75°C 50°C 0.01 25°C 1 0.0 TVJ= 25°C 100 0.001 0.2 0.4 0.6 0.8 V 1.0 0 10 20 30 Fig. 1 Maximum forward voltage drop characteristics Fig. 2 Typ. value of reverse current IR versus reverse voltage VR 40 A 35 30 IF(AV) d=0.5 DC 25 10000 20 A IFSM P(AV) d= DC 0.5 0.33 0.25 0.17 0.08 20 10 10 10 20 30 VR 40 V Fig. 3 Typ. junction capacitance CT versus reverse voltage VR 25 W 15 15 0 40 V 50 VR VF 1000 5 5 0 0 0 40 80 120 TC 160°C Fig. 4 Average forward current IF(AV) versus case temperature TC 1 K/W ZthJC 0 5 10 15 20 25 30 35 A IF(AV) 100 10 100 1000 µs 10000 tP Fig. 5 Forward power loss characteristics D=0.5 0.33 0.25 0.17 0.1 0.08 Single Pulse (Thermal Resistance) 0.01 0.0001 DSS 25-0045A 0.001 0.01 0.1 s 1 10 t Note: All curves are per diode 232 Fig. 6 Transient thermal impedance junction to case at various duty cycles © 2002 IXYS All rights reserved 2-2