IRKU/V71, 91 Series

7

Bulletin I27135 rev. F 10/02

www.irf.com

Fig. 12 - On-state Power Loss Characteristics

Fig. 11 - On-state Power Loss Characteristics

Fig. 13 - Maximum Non-Repetitive Surge Current

Fig. 14 - Maximum Non-Repetitive Surge Current

0

20

40

60

80

100

120

140

160

180

0

20

40

60

80 100 120 140 160

DC

180°

120°

90°

60°

30°

RMS Limit

Conduction Period

Average On-state Current (A)

IRK.91.. Series

Per Junction

T = 125°C

J

0

20

40

60

80

100

120

140

020

40

60

80

100

RMS Limit

Conduction Angle

Average On-state Current (A)

180°

120°

90°

60°

30°

IRK.91.. Series

Per Junction

T = 125°C

J

700

800

900

1000

1100

1200

1300

1400

1500

1600

1

10

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

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

IRK.91.. Series

Per Junction

600

800

1000

1200

1400

1600

1800

0.01

0.1

1

Pulse Train Duration (s)

Versus Pulse Train Duration. Control

Initial T = 125°C

No Voltage Reapplied

Rated V

Reapplied

RRM

J

Of Conduction May Not Be Maintained.

Maximum Non Repetitive Surge Current

IRK.91.. Series

Per Junction

Fig. 15 - On-state Power Loss Characteristics (Single Phase Bridge IRKU+IRKV)

0

20

40

60

80

100 120 140

Maximum Allowable Ambient Temperature (°C)

0.5 K/

W

0.3

K/W

0.2

K/W

1 K/W

2 K/W

0

100

200

300

400

500

600

0

40

80

120

160

200

Total Output Current (A)

180°

(Sine)

180°

(Rect)

2 x IRK.91.. Series

Single Phase Bridge

Connected

T

= 125°C

J