UGE 0421 AY4 High Voltage Rectifiers VRRM V Standard Types Power Designation 3200 UGE 0421 AY4 Si-E 1125 / 500-6 VRRM = 3200 V IF(AV)M = 22.9 A Anode Cathode Symbol Conditions IF(RMS) IF(AV)M air self cooling, Ratings forced air cooling: v = 3 m/s, Tamb = 35C - without cooling plate - with cooling plate Tamb = 35C - without cooling plate - with cooling plate PRSM T(vj) = 150C; IFSM non repetitive, 50 c/s (for 60 c/s add 10%) T(vj) = 45C; tp = 10 ms T(vj) = 150C; tp = 10 s tp = 10 ms Tamb Tstg T(vj) Weight Symbol Conditions IR T(vj) = 150C; VF IF = T(vj) = 40 A 7.4 10.9 A A Tamb = 45C - without cooling plate - with colling plate oil cooling, Features 14.2 18.8 A A 19.7 22.9 A A 7 kW 300 A 250 A -40...+150 -40...+150 150 C C C 115 g * Hermetically sealed Epoxy * Use in oil * Avalanche characteristics Applications * X-Ray equipment * Electrostatic dust precipitators * Electronic beam welding * Lasers * Cable test equipment Advantages * Simple mounting * Improved temperature and power cycling * Reduced protection circuits * Series and parallel operation Dimensions in mm (1 mm = 0.0394") Characteristic Values 2 mA 55 A 25C 2.72 V VTO rT T(vj) = 150C T(vj) = 150C 1.7 16 V m a f 5 x 9,81 m/s2 8 Nm VR = VRRM = 50Hz Md IXYS reserve the right to change limits, test conditions and dimensions. (c) 2003 IXYS All rights reserved 0329 Data according to IEC 60747-2 1-2 UGE 0421 AY4 100 a A IF b IFSM 80 300 A a 250 T(vj) = 150C 200 60 b T(vj) = 25C 150 40 100 20 50 0 0.4 1.2 2.0 2.8 V 0 10-3 3.6 10-2 100 s t 10-1 VF Fig. 1: Forward characteristics Instantaneous forward current IF as a function of instantaneous forward voltage drop VF for junction temperature T(vj) = 25C and T(vj) = 150C a = Mean value characteristic b = Limit value characteristic 101 Fig. 2: Characteristics of maximum permissible current The curves show the non repetitive peak one cycle surge forward current IFSM as a function of time t and serve for rating protective devices. a = Initial state T(vj) = 45C b = Initial state T(vj) = 150C 104 30 A W PRSM IF(AV) IFAV 180 6 20 5 4 103 3 2 10 1 0 10-5 10-4 10-3 s t 10-2 Fig. 3: Power loss Non repetitive peak reverse power loss PRSM as a function of time t, T(vj) = 150C IXYS reserve the right to change limits, test conditions and dimensions. (c) 2003 IXYS All rights reserved 0 20 40 60 80 100 120 140 C TA Fig. 4: Load diagramm Mean forward current IF(AV) of one module for a sine half wave for various cooling modes as a function of the cooling medium temperature Tamb for a resistive load (horizontal mounting). Cooling modes 1 = air self cooling 2 = air self cooling 3 = forced air cooling 4 = forced air cooling 5 = oil cooling 6 = oil cooling without with without with without with cooling plate cooling plate cooling plate cooling plate cooling plate cooling plate 0329 102 10-6 2-2