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Document Number: 93703

4

Revision: 20-Jun-08

25TTS...FP High Voltage Series

Vishay High Power Products

Phase Control SCR

TO-220AB FULL-PAK, 25 A

Fig. 1 - Current Rating Characteristics

Fig. 2 - Current Rating Characteristics

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

70

80

90

100

110

120

130

0

5

10

15

20

30°

60°

90°

120°

180°

Conduc tion Angle

Average On-state Current (A)

25TTS.. Series

R

(DC) = 1.5 °C/ W

thJC

70

80

90

100

110

120

130

0

5

10

15

20

25

30

DC

30°

60°

90°

120°

180°

Conduc tion Period

Average On-state Current (A)

25TTS.. Series

R

(DC) = 1.5 °C/ W

thJC

0

5

10

15

20

25

048

12

16

20

RMSLimit

Conduction Angle

Avera ge On-state Current (A)

180°

120°

90°

60°

30°

25TTS.. Series

T = 125°C

J

0

5

10

15

20

25

30

35

0

5

10

15

20

25

30

DC

180°

120°

90°

60°

30°

RMSLimit

Conduc tion Period

Avera ge On-sta te Current (A)

25TTS.. Series

T = 125°C

J

150

200

250

300

350

110

100

Number Of Equal Amplitude Half Cycle Current Pulses(N)

Initial T = 125°C

@60 Hz 0.0083 s

@50 Hz 0.0100 s

J

25TTS.. Series

At Any Rated Load Cond ition And With

Rated V

Applied Following Surge.

RRM

100

150

200

250

300

350

400

0.01

0.1

1

Pulse Train Duration (s)

Maximum Non Repetitive Surge Current

Versus Pulse Train Duration. Control

Of Conduc tion Ma y Not Be Mainta ined.

Initia l T = 125°C

No Voltage Reapplied

Rated V

Reapp lied

RRM

J

25TTS.. Series