UGE 0221 AY4 VRRM = 4800 V IF(AV)M = 10.2 A High Voltage Rectifiers VRRM V Standard Types Power Designation 4800 UGE 0221 AY4 Si-E 1750 / 775-4 Anode Cathode Symbol IF(RMS) IF(AV)M Conditions Ratings 16 air self cooling, Tamb = 45C 3.8 5.4 forced air cooling: v = 3 m/s, Tamb = 35C - without cooling plate - with cooling plate A A tp = 10 s A A 10.2 10.2 A A 3.4 kW T(vj) = 150C; IFSM non repetitive, 50 c/s (for 60 c/s add 10%) T(vj) = 45C; tp = 10 ms 180 A T(vj) = 150C; 140 A -40...+150 -40...+150 150 C C C 120 g IR T(vj) = 150C; VF IF = T(vj) = Advantages Simple mounting Improved temperature and power cycling Reduced protection circuits Series and parallel operation tp = 10 ms Weight Conditions Applications X-Ray equipment Electrostatic dust precipitators Electronic beam welding Lasers Cable test equipment 7.0 10.2 PRSM Symbol Tamb = 35C - without cooling plate - with cooling plate Tamb Tstg T(vj) - without cooling plate - with colling plate oil cooling, A Features Hermetically sealed Epoxy Use in oil Avalanche characteristics Dimensions in mm (1 mm = 0.0394") Characteristic Values 2 mA 30 A 25C 4.8 V VTO rT T(vj) = 150C T(vj) = 150C 2.55 90 V m a f 5 x 9,81 m/s2 8 Nm VR = VRRM = 50Hz Md Data according to IEC 60747-2 IXYS reserve the right to change limits, test conditions and dimensions. 1-2 (c) 2003 IXYS All rights reserved UGE 0221 AY4 200 40 A A IFSM IF 150 b 30 a a T(vj) =150C T(vj) = 25C 20 100 b 50 10 0 10-3 0 0,6 1,2 1,8 2,4 3,0 3,6 4,2 4,8 5,4 V 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 10-2 10-1 100 s t 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 A 10 W 6 IFAV 5 PRSM IF(AV) 180 4 8 F6 6 3 3 10 2 4 1 2 102 10-6 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 0 30 90 120 TA 150 C 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 (c) 2003 IXYS All rights reserved 60 without with without with without with cooling plate cooling plate cooling plate cooling plate cooling plate cooling plate 2-2