Manual
301U(R) Series
8
www.irf.com
Bulletin I2032 rev. B 03/03
Fig. 11 - Maximum Non-Repetitive Surge Current Fig. 12 - Maximum Non-Repetitive Surge Current
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
110100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Peak Half Sine Wave Forward Current (A)
Initial T = 180°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
301U(R) Series (2500V)
1000
2000
3000
4000
5000
6000
0.01 0.1 1
Pulse Train Duration (s)
Peak Half Sine Wave Forward Current (A)
Versus Pulse Train Duration.
Initial T = 180 °C
No Voltage Reapplied
Rated V Reapplied
RRM
J
Maximum Non Repetitive Surge Current
301U(R) Series (2500V)
Fig. 13 - Forward Voltage Drop Characteristics Fig. 14 - Forward Voltage Drop Characteristics
10
100
1000
10000
00.511.522.53
T = 25°C
J
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
301U(R) Series
(1600V to 2000V)
T = 180°C
J
10
100
1000
10000
0 0.5 1 1.5 2 2.5 3 3.5
T = 25°C
J
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
301U(R) Series (2500V)
T = 180°C
J
Fig. 15 - Thermal Impedance Z
thJC
Characteristic
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Sq u a re W a v e Pu l se D u r a t io n ( s)
thJC
Transient Thermal Impedance Z (K/W)
301U(R) Series
Steady State Value:
R = 0.14 K/ W
(DC Operation)
thJC