Instruction Manual

www.vishay.com For technical questions, contact: [e-mail]
Document Number: 94367
4 Revision: 29-Apr-08
ST173SPbF Series
Vishay High Power Products
Inverter Grade Thyristors
(Stud Version), 175 A
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
Fig. 3 - On-State Power Loss Characteristics
Fig. 4 - On-State Power Loss Characteristics
0
Maximum Allowable
Case Temperature (°C)
Average On-State Current (A)
40 80 120 160
80
90
100
110
120
130
ST173S Series
R
thJC
(DC) = 0.105 K/W
Ø
Conduction angle
20 60 100 140 180
60 °C
90 °C 180 °C
120 °C
30 °C
0
200 240 280
Average On-State Current (A)
40 120
80 160
Maximum Allowable
Case Temperature (°C)
70
80
90
100
110
120
130
ST173S Series
R
thJC
(DC) = 0.105 K/W
Ø
Conduction period
30° 60°
90°
120°
180°
DC
Average On-State Current (A)
Maximum Average On-State
Power Loss (W)
0
50
100
150
200
250
300
350
RMS limit
0
100 120 140 160 180
20 6040 80
180°
120°
90°
60°
30°
Ø
Conduction angle
ST173S Series
T
J
= 125 °C
Maximum Allowable Ambient Temperature (°C)
Maximum Average On-State
Power Loss (W)
0
50
100
150
200
250
300
350
25
125
50 10075
R
thSA
= 0.08 K/W - ΔR
0.1 K/W
0.16 K/W
0.2 K/W
0.3 K/W
0.4 K/W
0.8 K/W
1.2 K/W
0.5 K/W
Average On-State Current (A)
Maximum Average
On-State Power Loss (W)
0
200 240 280
40 120
80 160
0
100
200
300
400
500
ST173S Series
T
J
= 125 °C
Ø
Conduction period
RMS limit
DC
180°
120°
90°
60°
30°
Maximum Average On-State
Power Loss (W)
0
100
200
300
400
500
0.2 K/W
R
thSA
= 0.8 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)
0.1 K/W
0.16 K/W