IRKU/V41, 56 Series
9
Bulletin I27134 rev. E 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)
thJC
Transient Thermal Impedance Z (K/W)
Per Junction
Steady State Value:
R = 0.46 K/W
R = 0.40 K/W
(DC Operation)
IRK.41.. Series
IRK.56.. 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)
(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
Instantaneous Gate Current (A)
Instantaneous Gate Voltage (V)
TJ = -40 °C
TJ = 25 °C
TJ = 125 °C
a)Recommended load line for
b)Recommended load line for
VGD
IGD
Frequency Limited by PG(AV)
rated di/dt: 20 V, 30 ohms
tr = 0.5 µs, tp >= 6 µs
<= 30% rated di/dt: 20 V, 65 ohms
tr = 1 µs, tp >= 6 µs
IRK.41../.56.. 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.