Instruction Manual

Document Number: 94367 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 29-Apr-08 5
ST173SPbF Series
Inverter Grade Thyristors
(Stud Version), 175 A
Vishay High Power Products
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
Characteristics
Fig. 9 - Reverse Recovered Current Characteristics
Fig. 10 - Reverse Recovery Current Characteristics
2000
1 10 100
2500
3000
3500
4000
4500
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
ST173S Series
At any rated load condition and with
rated V
RRM
applied following surge.
1500
0.01 0.1 1
2000
2500
3000
3500
4000
5000
Pulse Train Duration (s)
Peak Half Sine Wave
On-State Current (A)
Initial T
J
= 125 °C
No voltage reapplied
Rated V
RRM
reapplied
ST173S Series
4500
Maximum non-repetitive surge current
versus pulse train duration. Control
of conduction may not be maintained.
100
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
1000
10 000
T
J
= 25 °C
T
J
= 125 °C
Instantaneous On-State Current (A)
Instantaneous On-State Voltage (V)
ST173S Series
0.01
0.01 0.1 1 100.001
0.1
1
Square Wave Pulse Duration (s)
Transient Thermal
Impedance Z
thJC
(K/W)
ST173S Series
0.001
Steady state value
R
thJC
= 0.105 K/W
(DC operation)
0
200 406080100
50
100
150
200
250
ST173S Series
T
J
= 125 °C
dI/dt - Rate of Fall of On-State Current (A/µs)
Q
rr
- Maximum Reverse
Recovery Charge (µC)
I
TM
= 500 A
I
TM
= 300 A
I
TM
= 200 A
I
TM
= 100 A
I
TM
= 50 A
0
20
40
60
80
100
120
I
rr
- Maximum Reverse
Recovery Current (A)
dI/dt - Rate of Fall of On-State Current (A/µs)
ST173S Series
T
J
= 125 °C
200 40 60 80 100
140
160
I
TM = 500 A
I
TM = 300 A
I
TM = 200 A
I
TM = 100 A
I
TM = 50 A