88CNQ060APbF, 88CNQ060ASMPbF
Bulletin PD-21012 02/05
160
150
140
DC
130
120
Square wave (D = 0.5)
110 80% rated Vr applied
100 see note (2)
90
0 10 20 30 40 50 60
Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Average Forward Current
Vs. Allowable Lead Temperature
10000
Tj = 25˚C
35
D = 0.20
30 D = 0.25
D = 0.33
25 D = 0.50
D = 0.75
20 RMS Limit
15
DC
10
5
0
0 10 20 30 40 50 60
Average Forward Current - I F(AV) (A)
Fig. 6 - Maximum Average Forward Dissipation
Vs. Average Forward Current
1000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Peak Surge Forward Current Vs. Pulse Duration
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1= 80% rated VR
4
www.irf.com