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| DS 2 DSA 2 Rectifier Diode Avalanche Diode VRRM = 800-1800 V IF(RMS) = 7 A IF(AV)M = 3.6 A VRSM V 900 1300 1700 1900 V(BR)minyx VRRM V 1300 1750 1950 V 800 1200 1600 1800 Standard Types DS 2-08A DS 2-12A Avalanche Types A C C A DSA 2-12A DSA 2-16A DSA 2-18A A = Anode C = Cathode x Only for Avalanche Diodes Symbol IF(RMS) IF(AV)M PRSM IFSM Test Conditions TVJ = TVJM Tamb = 45C; RthJA = 30 K/W; 180 sine Tamb = 45C; RthJA = 115 K/W; 180 sine DSA types, TVJ = 25C, tp = 10 ms TVJ = 45C; VR = 0 TVJ = TVJM VR = 0 t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine Maximum Ratings 7 3.6 1.2 2.5 120 127 100 106 72 68 50 47 180 -40...+180 -40...+180 2.4 A A A kW A A A A A2s A2s A2s A2s C C C g Features International standard package Axial wire connexions Planar glassivated chips q q q Applications Low power rectifiers Field supply for DC motors Power supplies High voltage rectifiers q q q q I2t TVJ = 45C VR = 0 TVJ = TVJM VR = 0 q q q q TVJM TVJ Tstg Weight Symbol IR VF VT0 rT RthJA Test Conditions TVJ = 180C; VR = VRRM IF = 7 A; TVJ = 25C Advantages Space and weight savings Simple PCB mounting Improved temperature and power cycling Reduced protection circuits Dimensions in mm (1 mm = 0.0394") C Characteristic Values 2 1.25 0.85 43 30 37 75 115 2.25 2.25 100 mA V V mW K/W K/W K/W K/W mm mm m/s2 A For power-loss calculations only TVJ = TVJM Forced air cooling with 1.5 m/s, Tamb = 45C Soldered between 2 cooling fins, Tamb = 45C Soldered onto PC board (25 mm), Tamb = 45C Free air cooling, Tamb = 45C Creepage distance on surface Strike distance through air Max. allowable acceleration dS dA a Data according to IEC 60747 IXYS reserves the right to change limits, test conditions and dimensions (c) 2000 IXYS All rights reserved 1-2 DS 2 DSA 2 10 A 100 A 80 100 A2s 80 60 It 2 typ. lim. VR = 0 V 8 IF 6 TVJ= 180C TVJ= 25C IFSM 60 50Hz, 80%VRRM TVJ = 45C TVJ = 180C 40 TVJ=45C 4 40 20 TVJ=180C 2 20 0 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 V VF 0 10-3 10 10-2 10-1 100 t s 101 1 2 3 4 5 6 7 ms 10 89 t Fig. 1 Forward characteristics W 10 Fig. 2 Surge overload current IFSM: crest value, t: duration W 10 Fig. 3 I2t versus time (1-10 ms) 8 PF 6 8 RthJA : 30 K/W 37 K/W 45 K/W 75 K/W 115 K/W 6 PF 4 4 2 DC 180 sin 120 60 30 2 0 0 1 2 3 4 5 6 7 IFAVM 8 9A0 20 40 60 80 0 100 120 140 160 C Tamb Fig. 4 Power dissipation versus forward current and ambient temperature 100 C/W RthJA for various conduction angles d: d RthJA (K/W) 75 75.7 76.1 76.7 77.4 80 Z(th)t 60 DC 180 120 60 30 40 Constants for ZthJA calculation: i Rthi (K/W) 0.15 10.85 64 ti (s) 0.001 0.1 35 20 0 10-3 1 2 3 10-2 10-1 100 101 102 103 t s 104 Fig. 5 Transient thermal impedance junction to ambient (c) 2000 IXYS All rights reserved 2-2 |
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