25F40 datasheet(5/6 Pages) IRF

5 / 6 page

25F(R) Series

Bulletin I2018 rev. B 09/98

www.irf.com

Fig. 3 - Forward Power Loss Characteristics

100

125

150

175

Maximum Allowable Ambient Temperature (°C)

4 K

K/W

8 K

12 K/W

20 K/W

40 K/W

Average Forward Current (A)

RMS Limit

Conduction Angle

180°

120°

90°

60°

30°

25F(R) Series

T = 175°C

Fig. 4 - Forward Power Loss Characteristics

100

125

150

175

Maximum Allowable Ambient Temperature (°C)

K/W

4 K/

K/W

12 K/W

8 K/

20 K/W

40 K/W

180°

120°

90°

60°

30°

Average Forward Current (A)

RMS Limit

Conduction Period

25F(R) Series

T = 175°C

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

100

150

200

250

300

350

110

100

Number Of Equal Amplitude Half Cycle Current Pulses (N)

Initial T = 175°C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

25F(R) Series

100

150

200

250

300

350

400

0.01

0.1

Pulse Train Duration (s)

Maximum Non Repetitive Surge Current

Initial T = 175°C

No Voltage Reapplied

Rated V

Reapplied

Versus Pulse Train Duration.

RRM

25F(R) Series

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