P400 Series

6

Bulletin I2776 rev. E 04/99

www.irf.com

Fig. 6 - Maximum Non-Repetitive Surge Current

Fig. 7 - Maximum Non-Repetitive Surge Current

Fig. 9 - Gate Characteristics

Fig. 8 - Thermal Impedance Z

thJC

Characteristics

150

175

200

225

250

275

300

325

350

1

10

100

Number Of E qual Amplitude Half Cyc le Curre nt Pulses ( N)

P400 Series

Per Junction

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

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 Conduction May Not Be Maintained.

Initial T = 125°C

No Voltage Reapplied

Rated V

Reapplied

RRM

J

P400 Series

Per Junction

0.01

0.1

1

10

0.0001

0.001

0.01

0.1

1

Square Wave Pulse Duration (s)

Steady State Value:

R

= 1.05 K/W

(DC Operation)

thJC

P400 Series

Per Junction

0.1

1

10

100

0.001

0.01

0.1

1

10

100

(b)

(a)

Rectangular gate pulse

(4)

(3)

(2)

(1)

Instantaneous Gate Current (A)

Frequency Limited

By PG(AV)

a)Recommended load line for

b)Recommended load line for

(1) PGM = 100 W, tp = 500 µs

(2) PGM = 50 W, tp = 1 ms

(3) PGM = 20 W, tp = 25 ms

(4) PGM = 10 W, tp = 5 ms

IGD

rated di/dt : 10V, 20 ohms, tr <= 1µs

rated di/dt : 10 V, 65 ohms, tr <= 1µs

P400 Series

VGD