Document Number: 93711

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Revision: 19-Sep-08

5

50RIA Series

Medium Power Thyristors

(Stud Version), 50 A

Vishay High Power Products

Fig. 3 - On-State Power Loss Characteristics

Fig. 4 - On-State Power Loss Characteristics

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 7 - Forward Voltage Drop Characteristics

0

10

20

30

40

50

60

70

80

0

102030

40

50

RMS Limit

Conduction Angle

180°

120°

90°

60°

30°

Average On-state Current (A)

50RIA Series

T = 125°C

J

0

10

20

30

40

50

60

70

80

90

100

0

1020

30

4050

60

70

80

DC

180°

120°

90°

60°

30°

RMS Limit

Conduction Period

Average On-state Current (A)

50RIA Series

T = 125°C

J

600

700

800

900

1000

1100

1200

1300

110

100

Number Of Equal Amplitude Half Cycle Current Pulses (N)

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

Initial T = 125°C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

J

50RIA Series

500

600

700

800

900

1000

1100

1200

1300

1400

1500

0.01

0.1

1

Pulse Train Duration (s)

Maximum Non Repetitive Surge Current

Versus Pulse Train Duration. Control

Of Conduction May Not Be Maintained.

Initial T = 125°C

No Voltage Reapplied

Rated V

Reapplied

RRM

J

50RIA Series

1

10

100

1000

0.5

1

1.5

2

2.5

3

3.5

4

4.5

T = 25°C

J

Instantaneous On-state Voltage (V)

T = 125°C

J

50RIA Series