IRKU/V71, 91 Series

9

Bulletin I27135 rev. F 10/02

www.irf.com

Fig. 21 - Thermal Impedance Z

thJC

Characteristics

Fig. 22 - Gate Characteristics

0.01

0.1

1

0.001

0.01

0.1

1

10

Square Wave Pulse Duration (s)

Per Junction

Steady State Value:

R

= 0.33 K/W

R

= 0.27 K/W

(DC Operation)

IRK.71.. Series

IRK.91.. Series

thJC

thJC

0.1

1

10

100

0.001

0.01

0.1

1

10

100

1000

(b)

(a)

Rectangular gate pulse

(4)

(3) (2)

(1)

Instantaneous Gate Current (A)

a)Recommended load line for

b)Recommended load line for

VGD

IGD

Frequency Limited by PG(AV)

(1) PGM = 200 W, tp = 300 µs

(2) PGM = 60 W, tp = 1 ms

(3) PGM = 30 W, tp = 2 ms

(4) PGM = 12 W, tp = 5 ms

<= 30% rated di/dt: 15 V, 40 ohms

tr = 1 µs, tp >= 6 µs

rated di/dt: 20 V, 20 ohms

tr = 0.5 µs, tp >= 6 µs

IRK.71../.91.. Series

IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105

TAC Fax: (310) 252-7309

Visit us at www.irf.com for sales contact information. 10/02

Data and specifications subject to change without notice.

This product has been designed and qualified for Industrial Level.

Qualification Standards can be found on IR's Web site.