User Manual

Document Number: 94334 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 29-Apr-08 5
ST083SPbF Series
Inverter Grade Thyristors
(Stud Version), 85 A
Vishay High Power Products
Fig. 4 - On-State Power Loss Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 7 - On-State Voltage Drop Characteristics
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
0
50
20 40 60 80 100 120 1400
100
150
200
250
DC
180°
120°
90°
60°
30°
RMS limit
Conduction period
Maximum Average On-State
Power Loss (W)
ST083S Series
T
J
= 125 °C
Average On-State Current (A)
Ø
Maximum Average On-State
Power Loss (W)
0
50
100
150
200
250
0.2 K/W
R
thSA
= 0.1 K/W - ΔR
0.3 K/W
0.4 K/W
0.5 K/W
0.8 K/W
1.2 K/W
25 50 75 100 125
Maximum Allowable Ambient Temperature (°C)
1000
1 10 100
1200
1400
1600
1800
2000
2200
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Peak Half Sine Wave
On-State Current (A)
Initial T
J
= 125 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
ST083S Series
At any rated load condition and with
rated V
RRM
applied following surge
1000
0.01 0.1 1
1200
1400
1600
1800
2000
2200
2400
2600
Pulse Train Duration (s)
Peak Half Sine Wave
On-State Current (A)
ST083S Series
Maximum non repetitive surge current
versus pulse train duration. Control
of conduction may not be maintained
Initial T
J
= 125 °C
No voltage reapplied
Rated V
RRM
reapplied
100
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
1000
10 000
T
J
= 25 °C
T
J
= 125 °C
Instantaneous On-State Current (A)
Instantaneous On-State Voltage (V)
ST083S Series
0.01
0.01 0.1 1 100.001
0.1
1
Square Wave Pulse Duration (s)
Z
thJC
- Transient Thermal Impedance (K/W)
ST083S Series
Steady state value
R
thJC
= 0.195 K/W
(DC operation)