Document Number: 94377

For technical questions, contact: ind-modules@vishay.com

www.vishay.com

Revision: 30-Apr-08

5

ST333SP Series

Inverter Grade Thyristors

(Stud Version), 330 A

Vishay High Power Products

Fig. 4 - On-State Power Loss Characteristics

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitve Surge Current

Fig. 7 - On-State Voltage Drop Characteristics

25

50

75

100

125

Maximum Allowable Ambient Temperature (°C)

0.0

3

K/

W

0.0

6

K/

W

0.1

2

K/W

0.2

K/W

0.3

K/W

0.5 K/W

0

100

200

300

400

500

600

700

0

100

200

300

400

500

600

DC

180°

120°

90°

60°

30°

RMSLimit

Conduc tion Period

Average On-state Current (A)

ST333SSeries

T = 125°C

J

4000

5000

6000

7000

8000

9000

10000

110

100

Number Of Eq ua l Amp litud e Ha lf Cyc le Current Pulses (N)

Initial T = 125°C

@60 Hz 0.0083 s

@50 Hz 0.0100 s

J

ST333SSeries

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

4000

5000

6000

7000

8000

9000

10000

11000

0.01

0.1

1

Pulse Train Duration (s)

Versus Pulse Train Duration. Control

Of Conduc tion May Not Be Maintained.

Initial T = 125°C

No Voltage Reapplied

RRM

J

ST333SSeries

Maximum Non Repetitive Surge Current

Rated V

Reapplied

100

1000

10000

0

1

23

45

67

T = 25°C

J

Instantaneous On-state Voltage (V)

T = 125°C

J

ST333SSeries

0.001

0.01

0.1

1

0.001

0.01

0.1

1

10

Square Wave Pulse Duration (s)

Steady State Value

R

= 0.10 K/ W

(DC Operation)

thJC

ST333SSeries