Document Number: 93718

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Revision: 11-Aug-08

5

ST1280C..K Series

Phase Control Thyristors

(Hockey PUK Version),

2310 A

Vishay High Power Products

Fig. 7 - Maximum Non-Repetitive Surge Current

Single and Double Side Cooled

Fig. 8 - Maximum Non-Repetitive Surge Current

Single and Double Side Cooled

Fig. 9 - On-State Voltage Drop Characteristics

Number Of Equal Amplitude Half Cycle Current Pulses (N)

15000

20000

25000

30000

35000

40000

110

100

Initial T = 125˚C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

J

ST1280C..K Series

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

Pulse Train Duration (s)

15000

20000

25000

30000

35000

40000

45000

0.01

0.1

1

Maximum Non Repetitive Surge Current

Versus Pulse Train Duration. Control

Of Conduction May Not Be Maintained.

ST1280C..K Series

Initial T = 125 ˚C

No Voltage Reapplied

Rated V

Reapplied

RRM

J

Instantaneous On-state Voltage (V)

100

1000

10000

100000

0.5

1

1.5

2

2.5

3

3.5

4

4.5

T = 25˚C

J

T = 125˚C

J

ST1280C..K Series

Square Wave Pulse Duration (s)

0.001

0.01

0.1

0.001

0.01

0.1

1

10

100

Steady State Value

R

= 0.042 K/W

(Single Side Cooled)

R

= 0.021 K/W

(Double Side Cooled)

(DC Operation)

thJ-hs

thJ-hs

ST1280C..K Series