Document Number: 94402

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Revision: 11-Aug-08

5

ST280SPbF Series

Phase Control Thyristors

(Stud Version), 280 A

Vishay High Power Products

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 7 - On-State Voltage Drop Characteristics

3000

3500

4000

4500

5000

5500

6000

6500

7000

110

100

Number Of Equa l Amplitude Ha lf Cyc le Current Pulses (N)

ST280SSeries

Initial T = 125°C

@60 Hz 0.0083 s

@50 Hz 0.0100 s

J

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

3000

3500

4000

4500

5000

5500

6000

6500

7000

110

100

Number Of Equa l Amplitude Half Cyc le Current Pulses (N)

ST280SSeries

Initial T = 125°C

@60 Hz 0.0083 s

@50 Hz 0.0100 s

J

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

100

1000

10000

0.5

1

1.5

2

2.5

3

3.5

4

T = 25°C

J

Instantaneous On-state Voltage (V)

T = 125°C

J

ST280SSeries

0.001

0.01

0.1

1

0.001

0.01

0.1

1

10

Square Wave Pulse Duration (s)

Steady State Value

R

= 0.105 K/ W

(DC Operation)

ST280SSeries

thJC