1 - 2
Dimensions in mm (1 mm = 0.0394")
Features
●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
Data according to IEC 60747-2
IXYS reserve the right to change limits, test conditions and dimensions.
© 2003 IXYS All rights reserved
Anode
Cathode
Symbol Conditions Ratings
IF(RMS) 40 A
IF(AV)M air self cooling, Tamb = 45°C
- without cooling plate 7.4 A
- with colling plate 10.9 A
forced air cooling:
v = 3 m/s, Tamb = 35°C
- without cooling plate 14.2 A
- with cooling plate 18.8 A
oil cooling, Tamb = 35°C
- without cooling plate 19.7 A
- with cooling plate 22.9 A
PRSM T(vj) = 150°C; tp = 10 µs 7 kW
IFSM non repetitive, 50 c/s (for 60 c/s add 10%)
T(vj) = 45°C; tp = 10 ms 300 A
T(vj) = 150°C; tp = 10 ms 250 A
Tamb -40...+150 °C
Tstg -40...+150 °C
T(vj) 150 °C
Weight 115 g
Symbol Conditions Characteristic Values
IRT(vj) = 150°C; VR = VRRM ≤ 2 mA
VFIF= 55 A 2.72 V
T(vj) = 25°C
VTO T(vj) = 150°C 1.7 V
rTT(vj) = 150°C 16 mΩ
af = 50Hz 5 x 9,81 m/s2
Md8Nm
VRRM = 3200 V
IF(AV)M = 22.9 A
VRRM Standard Power Designation
V Types
3200 UGE 0421 AY4 Si-E 1125 / 500-6
UGE 0421 AY4
High Voltage Rectifiers
2 - 2
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
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
Fig. 3: Power loss
Non repetitive peak reverse power loss PRSM as a function of time
t
,
T(vj) = 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 without cooling plate
2 = air self cooling with cooling plate
3 = forced air cooling without cooling plate
4 = forced air cooling with cooling plate
5 = oil cooling without cooling plate
6 = oil cooling with cooling plate
© 2003 IXYS All rights reserved
F6
UGE 0421 AY4
0.4 1.2 2.0 2.8 3.6
0
20
40
60
80
100
V
VF
A
IF
ab
T(vj) =150°C
T(vj) = 25°C
10-3 10-2 10-1 100101
0
50
100
150
200
250
300
s
t
A
IFSM
b
a
10-6 10-5 10-4 10-3 10-2
102
103
104
s
t
W
PRSM
0 20 40 60 80 100 120 140
0
10
20
30
°C
TA
A
IF(AV)
4
3
2
1
6
5
180°
IFAV
