C&H Technology ST103SP Series - Manual (Page 6)

Document Number: 94365 For technical questions, contact: [email protected] www.vishay.com
Revision: 29-Apr-08 5
ST103SP Series
Inverter Grade Thyristors
(Stud Version), 105 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
20
40
60
80
100
120
140
160
180
Maximum Average On-State
Power Loss (W)
Average On-State Current (A)
0 60 40 20 80 100 120
180°
120°
90°
60°
30°
RMS limit
Conduction angle
ST103S Series
T
J
= 125 °C
DC
200
220
240
260
140 160 180
Ø
0
20
40
60
80
100
120
140
160
180
Maximum Average On-State
Power Loss (W)
200
220
240
260
Maximum Allowable Ambient Temperature (°C)
25 50 75 100 125
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
1200
1 10 100
1400
1800
2000
2400
2600
2800
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Peak Half Sine Wave On-State Current (A)
ST103S Series
Initial T
J
= 125 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
2200
1600
At any rated load condition and with
rated V
RRM
applied following surge
1200
0.01 0.1 1
1400
1800
2000
2400
2600
3000
Pulse Train Duration (s)
Peak Half Sine Wave On-State Current (A)
ST103S Series
No voltage reapplied
Rated V
RRM
reapplied
2200
1600
2800
Maximum non repetitive surge current
versus pulse train duration. Control of
conduction may not be maintained.
Initial T
J
= 125 °C
100
1 2 3 4 5 6
1000
10 000
T
J
= 25 °C
T
J
= 125 °C
Instantaneous On-State Current (A)
Instantaneous On-State Voltage (V)
ST103S Series
0.01
0.01 0.1 1 10 0.001
0.1
1
Square Wave Pulse Duration (s)
Z
thJC
- Transient
Thermal Impedance (K/W)
ST103S Series
Steady state value
R
thJC
= 0.195 K/W
(DC operation)