70/300U(R)..D Series
7
www.irf.com
Bulletin I2031 rev. B 06/06
Fig. 7 - Forward Voltage Drop Characteristics
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
Fig. 8 - Thermal Impedance Z
thJC
Characteristic
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
1 10 100
Number Of Equal Amplitude Half Cycle Current Pulses (N)
Pea k Ha lf Sine Wave Forward Current (A)
70/ 300U(R)..D Series
Initial T = 200°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
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
0.01 0.1 1
Pulse Train Duration (s)
Pea k Ha lf Sine Wave Forward Current (A)
Initial T = 200°C
No Voltage Reapplied
Rated V Reapplied
Versus Pulse Train Duration.
Maximum Non Repetitive Surge Current
RRM
J
70/ 300U(R)..D Series
10
100
1000
10000
00.511.522.53
T = 25°C
J
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
70/ 300U(R)..D Series
T = 200°C
J
0.001
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Sq u a re Wa v e Pu l se D u ra t io n ( s)
thJC
Transient Thermal Impedance Z (K/W)
70/300U(R)..D Series
St e a d y St a t e V a lu e
R = 0.18 K7W
(DC Operation)
thJC
