Document Number: 94365

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Revision: 29-Apr-08

5

ST103SP Series

Inverter Grade Thyristors

(Stud Version), 105 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

20

40

60

80

100

120

140

160

180

Average On-State Current (A)

0

60

40

20

80

100 120

180°

120°

90°

60°

30°

RMS limit

Conduction angle

ST103S Series

T

DC

200

220

240

260

140

160 180

Ø

0

20

40

60

80

100

120

140

160

180

200

220

240

260

Maximum Allowable Ambient Temperature (°C)

25

50

75

100

125

0.2

K/W

R

thSA

=

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

1200

1

10

100

1400

1800

2000

2400

2600

2800

Number of Equal Amplitude Half Cycle

Current Pulses (N)

ST103S Series

Initial T

at 60 Hz 0.0083 s

at 50 Hz 0.0100 s

2200

1600

At any rated load condition and with

rated V

1200

0.01

0.1

1

1400

1800

2000

2400

2600

3000

Pulse Train Duration (s)

ST103S Series

No voltage reapplied

Rated V

2200

1600

2800

Maximum non repetitive surge current

versus pulse train duration. Control of

conduction may not be maintained.

Initial T

100

123456

1000

10 000

T

T

Instantaneous On-State Voltage (V)

ST103S Series

0.01

0.01

0.1

1

10

0.001

0.1

1

Square Wave Pulse Duration (s)

ST103S Series

Steady state value

R

(DC operation)