DSSK48-003B V RRM = 30 V I FAV = 2x 25 A V F = 0.35 V Schottky Diode High Performance Schottky Diode Low Loss and Soft Recovery Common Cathode Part number 1 2 3 DSSK48-003B Backside: cathode Features / Advantages: Applications: Package: Very low Vf Extremely low switching losses low Irm values Improved thermal behaviour High reliability circuit operation Low voltage peaks for reduced protection circuits Low noise switching Rectifiers in switch mode power supplies (SMPS) Free wheeling diode in low voltage converters Housing: TO-220 Symbol Definition Conditions VRRM max. repetitive reverse voltage IR reverse current rIndustry standard outline rEpoxy meets UL 94V-0 rRoHS compliant Ratings VF forward voltage I FAV average forward current VF0 threshold voltage min. Unit max. 30 V VR = 30 V TVJ = 25 C TVJ = 25 C 20 mA VR = 30 V TVJ = 100 C 60 mA IF = 20 A TVJ = 25 C 0.44 V IF = 40 A 0.54 V IF = 20 A 0.35 V IF = 40 A 0.48 V TC = 130C 25 A TVJ = 150C 0.19 V rectangular TVJ = 125 C d = 0.5 for power loss calculation only 6.8 m 1.20 K/W 150 C TC = 25 C 105 W TVJ = 45C 300 A rF slope resistance R thJC thermal resistance junction to case T VJ virtual junction temperature Ptot total power dissipation I FSM max. forward surge current t = 10 ms (50 Hz), sine CJ junction capacitance VR = TVJ = 25 C IXYS reserves the right to change limits, conditions and dimensions. typ. -55 5 V; f = 1 MHz Data according to IEC 60747and per diode unless otherwise specified (c) 2010 IXYS all rights reserved http://store.iiic.cc/ 1.77 nF 20100209a DSSK48-003B Ratings Symbol Definition min. Conditions I RMS RMS current R thCH thermal resistance case to heatsink Tstg storage temperature per pin max. Unit 35 0.50 -55 Weight A K/W 150 C 2 MD mounting torque FC mounting force with clip 1) typ. 1) g 0.4 0.6 Nm 20 60 N I RMS is typically limited by: 1. pin-to-chip resistance; or by 2. current capability of the chip. In case of 1, a common cathode/anode configuration and a non-isolated backside, the whole current capability can be used by connecting the backside. Product Marking Marking on product Logo DateCode Assembly Code Ordering Standard abcdef YYWW XXXXXX Part Name DSSK48-003B Similar Part DSSK48-003BS DSSK48-0025B IXYS reserves the right to change limits, conditions and dimensions. Marking on Product DSSK48-003B Package TO-263AB (D2Pak) TO-220AB (3) Delivering Mode Tube Base Qty Code Key 50 484008 Voltage class 30 25 Data according to IEC 60747and per diode unless otherwise specified (c) 2010 IXYS all rights reserved http://store.iiic.cc/ 20100209a DSSK48-003B Outlines TO-220 Dim. Millimeter Min. Max. Inches Min. Max. A B 12.70 13.97 14.73 16.00 0.500 0.550 0.580 0.630 C D 9.91 3.54 10.66 4.08 0.390 0.420 0.139 0.161 E F 5.85 2.54 6.85 3.18 0.230 0.270 0.100 0.125 G H 1.15 2.79 1.65 5.84 0.045 0.065 0.110 0.230 J K 0.64 2.54 1.01 BSC 0.025 0.040 0.100 BSC M N 4.32 1.14 4.82 1.39 0.170 0.190 0.045 0.055 Q R 0.35 2.29 0.56 2.79 0.014 0.022 0.090 0.110 M C B E D F N A H G J K L IXYS reserves the right to change limits, conditions and dimensions. Q R Data according to IEC 60747and per diode unless otherwise specified (c) 2010 IXYS all rights reserved http://store.iiic.cc/ 20100209a DSSK48-003B 40 10000 10000 1000 T =150C VJ 30 100 IF IR TVJ = 150C 125C 25C 20 [A] 125C TVJ = 25C CT 10 100C [mA] 1000 [pF] 75C 1 50C 10 0.1 25C 100 0.01 0.0 0.2 0.4 0.6 0 10 20 30 0 10 VR [V] VF [V] Fig. 1 Maximum forward voltage drop characteristics 20 30 VR [V] Fig. 2 Typ. reverse current IR vs. reverse voltage VR Fig. 3 Typ. junction capacitance CT vs. reverse voltage VR 16 40 12 d = 0.5 DC IF(AV) P(AV) d= DC 0.5 0.33 0.25 0.17 0.08 8 20 [A] [W] 4 0 0 0 40 80 120 0 160 TC [C] 10 20 30 40 IF(AV) [A] Fig. 4 Average forward current IF(AV) vs. case temperature TC Fig. 5 Forward power loss characteristics 1.4 1.2 1.0 ZthJC 0.8 [K/W] 0.6 0.4 0.2 Note: All curves are per diode 0.0 1 10 100 1000 10000 t [ms] Fig. 6 Transient thermal impedance junction to case at various duty cycles IXYS reserves the right to change limits, conditions and dimensions. Data according to IEC 60747and per diode unless otherwise specified (c) 2010 IXYS all rights reserved http://store.iiic.cc/ 20100209a