Owner's manual

Document Number: 94406 For technical questions, contact: [e-mail]
www.vishay.com
Revision: 06-May-08 5
ST300SPbF Series
Phase Control Thyristors
(Stud Version), 300 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
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
110100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Pe a k Ha lf Sine Wave On-state Current (A)
ST3 0 0 S Se r i e s
Init ia l T = 125°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Rated Load Condition And With
Rated V Applied Follow ing Surge.
RRM
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
0.01 0.1 1
Pulse Tra in Dura t io n ( s)
Versus Pulse Train Duration. Control
Pea k Half Sine Wa ve On-state Current (A)
ST300S Series
Initial T = 125°C
No Voltage Reapplied
Rated V Reapplied
J
RRM
Maximum Non Repetitive Surge Current
Of Conduction May Not Be Maintained.
100
1000
10000
0123456789
T = 2 5 ° C
J
Instantaneous On-state Current (A)
Instantaneous On-state Voltage (V)
T = 1 2 5 ° C
J
ST3 0 0 S Se r i e s
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Sq u a r e Wa v e Pu l se D u r a t i o n ( s)
thJC
ST3 0 0 S Se r i e s
Transient Therma l Impedanc e Z (K/ W)
Steady State Value
R = 0. 1 0 K/ W
(DC Operation)
thJC