IRK.91 Series
7
Bulletin I27141 rev. F 10/02
www.irf.com
Fig. 10 - Forward Voltage Drop Characteristics
Fig. 11 - Thermal Impedance Z
thJC
Characteristic
10
100
1000
0.5 1 1.5 2 2.5
T = 25°C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
T = 150°C
J
IRK.91.. Series
Per Junction
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)
Steady State Value:
R = 0.35 K/W
(DC Operation)
IRK.91.. Series
Per Junction
thJC
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.
