8AF Series

5

Bulletin I20262 Rev.A 06/03

www.irf.com

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 7 - Forward Voltage Drop Characteristics

Fig. 8 - Thermal Impedance Z

0.01

0.1

1

0.001

0.01

0.1

1

10

8AF Series

Square Wave Pulse Duration (s)

Steady State Value

(DC Operation)

150

200

250

300

350

400

450

500

550

600

650

700

110

100

Initial T = 195°C

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

Rated V

Applied Following Surge.

RRM

J

Number Of Equal Amplitude Half Cycle Current Pulses (N)

8AF Series

150

200

250

300

350

400

450

500

550

600

650

700

750

0.01

0.1

1

Pulse Train Duration (s)

8AF Series

Maximum Non Repetitive Surge Current

Initial T = 195 °C

No Voltage Reapplied

Rated V

Reapplied

RRM

Versus Pulse Train Duration.

J

1

10

100

1000

01

234

567

8AF Series

T = 195°C

J

T = 25°C

J

Instantaneous Forward Voltage (V)