P400 Series

5

Bulletin I2776 rev. E 04/99

www.irf.com

Fig. 1 - Current Ratings Nomogram (1 Module Per Heatsink)

Fig. 2 - On-state Power Loss Characteristics

Fig. 3 - On-state Power Loss Characteristics

0

25

50

75

100

125

Maximum Allowable Ambient Temperature (°C)

10 K/W

5 K/W

3 K/W

2 K/

W

1.5

K/W

1

K/

W

0

20

40

60

80

100

120

0

5

10

15

20

25

30

35

40

Total Output Current (A)

180°

(Sine)

P400 Series

T = 125°C

J

0

5

10

15

20

25

30

0

5

10

15

20

Average On-state Current (A)

RMS Limit

180°

120°

90°

60°

30°

Conduction angle

P400 Series

T = 125°C

Per Junction

J

0

5

10

15

20

25

30

35

40

0

5

10

15

20

25

30

35

DC

180°

120°

90°

60°

30°

Average On-sta te Current (A)

RMS Limit

Conduction Period

P400 Series

T = 125°C

Per Junction

J

Fig. 5 - On-state Voltage Drop Characteristics

Fig. 4 - Current Ratings Characteristics

70

80

90

100

110

120

130

0

5

10

15

20

25

30

35

40

45

Total Output Current (A)

Fully Turned-on

180°

(Rect)

180°

(Sine)

P400 Series

Per Module

1

10

100

1000

0.511.522.5

3

3.544.5

5

Instantaneous On-state Voltage (V)

P400 Series

Per Junction

T = 25 °C

T = 125 °C

J

J