Characteristics

SM6T

4/9

Figure 4.

Figure 2.

Peak power dissipation versus

initial junction temperature (printed

circuit board)

Figure 3.

Peak pulse power versus

exponential pulse duration

a.

The curves of Figure 4 are specified for a junction temperature of 25 °C before surge. The given results may be

extrapolated for other junction temperatures by using the formula:

voltages, extrapolate the given results.

0

0

20

40

60

80

100

%

20

40

60

80 100 120 140 160 180 200

Tj initial (° C)

t = 20µs

p

t = 1ms

t = 10ms

p

p

Exponential waveform: