Document Number: 94369

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Revision: 30-Apr-08

5

ST183SPbF Series

Inverter Grade Thyristors

(Stud Version), 195 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

Average On-State Current (A)

0

250

300

350

50

150

100

200

0

50

100

150

200

250

300

350

400

450

500

DC

180°

120°

90°

60°

30°

RMS limit

ST183S Series

T

Ø

Conduction period

0.2

K/W

R

thSA

=

0.8

K/W

- Δ

R

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

0

50

100

150

200

250

300

350

400

450

500

2000

1

10

100

2500

3000

3500

4000

4500

Number of Equal Amplitude Half Cycle

Current Pulses (N)

Initial T

at 60 Hz 0.0083 s

at 50 Hz 0.0100 s

ST183S Series

At any rated load condition and with

rated V

0.01

0.1

1

2000

2500

3000

3500

4000

5000

Pulse Train Duration (s)

4500

Initial T

No voltage reapplied

Rated V

ST183S Series

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

1000

10 000

Instantaneous On-State Voltage (V)

ST183S Series

T

T

0.01

0.01

0.1

1

10

0.001

0.1

1

Square Wave Pulse Duration (s)

ST183S Series

0.001

Steady state value

R

(DC operation)