Document Number: 94334

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Revision: 25-Jul-08

5

ST083SPbF Series

Inverter Grade Thyristors

(Stud Version), 85 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

0

50

20

40

60

80

100

120

140

0

100

150

200

250

DC

180°

120°

90°

60°

30°

RMS limit

Conduction period

ST083S Series

T

Average On-State Current (A)

Ø

0

50

100

150

200

250

0.2

K/W

R

th

0.

1 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)

1000

1

10

100

1200

1400

1600

1800

2000

2200

Number of Equal Amplitude Half Cycle

Current Pulses (N)

Initial T

at 60 Hz 0.0083 s

at 50 Hz 0.0100 s

ST083S Series

At any rated load condition and with

rated V

1000

0.01

0.1

1

1200

1400

1600

1800

2000

2200

2400

2600

Pulse Train Duration (s)

ST083S Series

Maximum non repetitive surge current

versus pulse train duration. Control

of conduction may not be maintained

Initial T

No voltage reapplied

Rated V

100

1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

1000

10 000

T

T

Instantaneous On-State Voltage (V)

ST083S Series

0.01

0.01

0.1

1

10

0.001

0.1

1

Square Wave Pulse Duration (s)

ST083S Series

Steady state value

R

(DC operation)