UGE 1112 AY4 High Voltage Rectifiers VRRM V 8000 Standard VRRM = 8000 V IF(AV)M = 4.2 A Anode Power Designation Types UGE 1112 AY4 Si-E 3000 / 1300-2.5 Cathode Symbol IF(RMS) IF(AV)M Conditions air self cooling, Ratings Tamb = 45°C - without cooling plate - with colling plate forced air cooling: v = 3 m/s, Tamb = 35°C - without cooling plate - with cooling plate oil cooling, 7 A 2.0 2.5 A A Features Hermetically sealed Epoxy Use in oil Avalanche characteristics ● ● ● Applications X-Ray equipment Electrostatic dust precipitators Electronic beam welding Lasers Cable test equipment ● ● 3.2 4.1 A A ● ● ● Tamb = 35°C - without cooling plate - with cooling plate 4.2 4.2 A A Advantages Simple mounting Improved temperature and power cycling Reduced protection circuits Series and parallel operation ● PRSM T(vj) = 150°C; IFSM tp = 10 µs 2.5 kW non repetitive, 50 c/s (for 60 c/s add 10%) T(vj) = 45°C; tp = 10 ms 120 A T(vj) = 150°C; 100 A -40...+150 -40...+150 150 °C °C °C 122 g ● ● ● tp = 10 ms Tamb Tstg T(vj) Weight Symbol Conditions IR T(vj) = 150°C; ≤ 1 mA VF IF = T(vj) = 7A 25°C 6.25 V VTO rT T(vj) = 150°C T(vj) = 150°C 4.25 0.215 V mΩ a f 5 x 9,81 m/s2 8 Nm Dimensions in mm (1 mm = 0.0394") Characteristic Values VR = VRRM = 50Hz Md Data according to IEC 60747-2 IXYS reserve the right to change limits, test conditions and dimensions. 1-2 © 2003 IXYS All rights reserved UGE 1112 AY4 10 A 120 A IF a 8 IFSM b 100 T(vj) = 150°C 6 80 T(vj) = 25°C 60 a 4 40 2 b 20 0 10-3 0 3,0 3,5 4,0 4,5 5,0 5,5 6,0 6,5 V VF Fig. 1: Forward characteristics Instantaneous forward current IF as a function of instantaneous forward voltage drop VF for junction temperature T(vj) = 25°C and T(vj) = 150°C a = Mean value characteristic b = Limit value characteristic 100 s t 10-1 101 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) = 45°C b = Initial state T(vj) = 150°C 104 5 W A PRSM 10-2 IF(AV) 4 IFAV 5+6 180° F6 4 103 3 3 2 2 1 102 1 101 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) = 150°C 0 30 90 120 150°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 © 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