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UGE 3126 AY4
High Voltage Rectifiers VRRM = 24000 V IF(AV)M = 2.0 A
VRRM V 24000
Standard Types UGE 3126 AY4
Power Designation Si-E 9000 / 4000-0.7
Anode
Cathode
Symbol IF(RMS) IF(AV)M
Conditions air self cooling, Tamb = 45C - without cooling plate - with colling plate
Ratings 5 0.8 1.0 A A A
Features Hermetically sealed Epoxy Use in oil Avalanche characteristics

forced air cooling: v = 3 m/s, Tamb = 35C - without cooling plate - with cooling plate oil cooling, Tamb = 35C - without cooling plate - with cooling plate tp = 10 s
1.4 1.7 2.0 2.0 1.6 70 60 -40...+150 -40...+150 150 127
A A A A kW A A C C C g
Applications X-Ray equipment Electrostatic dust precipitators Electronic beam welding Lasers Cable test equipment

PRSM IFSM
T(vj) = 150C;
non repetitive, 50 c/s (for 60 c/s add 10%) T(vj) = 45C; tp = 10 ms T(vj) = 150C; tp = 10 ms

Advantages Simple mounting Improved temperature and power cycling Reduced protection circuits Series and parallel operation
Tamb Tstg T(vj) Weight Symbol IR VF VTO rT a Md Conditions T(vj) = 150C; IF = T(vj) = 3A 25C VR = VRRM
Dimensions in mm (1 mm = 0.0394")
Characteristic Values 1 18 12 1.8 5 x 9,81 8 mA V V m/s2 Nm
T(vj) = 150C T(vj) = 150C f = 50Hz
Data according to IEC 60747-2 IXYS reserve the right to change limits, test conditions and dimensions.
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(c) 2003 IXYS All rights reserved
UGE 3126 AY4
A 10 9 IF 8 7 6 5 4 3 2 1 0 0 2 4 6 8 10 12 14 16 18 20 22 24 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
T(vj) = 150C T(vj) = 25C
70 60 50 40 30 20 10 0 10-3 10-2 10-1 100 s t 101
a
b
IFSM
100 A 90 80
a
b
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
W PRSM 3 10
IF(AV)
3 A
IFAV 180
2
6
10
2
5 4 3
101
1
2 1
100
10-1 10-6
0
10-5
10-4
10-3 s t
10-2
0
30
60
90 TA
120
150C
Fig. 3: Power loss Non repetitive peak reverse power loss PRSM as a function of time t, T(vj) = 150C
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
(c) 2003 IXYS All rights reserved
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