FIG. 1 - POWER TEMPERATURE DERATING CURVE
5
L = LEAD
L = 1/8"
LENGTH
TO HEAT SINK
4
L = 3/8"
3
2
L = 1"
1
0
0
40
80
120
160
200
TL, LEAD TEMPERATURE (°C)
FIG. 2 - TYPICAL THERMAL RESPONSE L, LEAD LENTGTH = 3/8 INCH
30
20
D = 0.5
D = 0.2
10
D = 0.1
t1
t2
t2
D = 0.05
D = 0.02
D =
t2
PPK
1
Note : Below 0.1 second, Thermal
D = 0.01
Single Pulse ΔTJL = ӨJL(t)PPK
response curve is
applicable
Repetitive Pulse ΔTJL = ӨJL(t,D)PPK
D = 0
to any lead length (L).
0.1
0.0001
0.001
0.01
0.1
1
10
t, TIME (SECONS)
FIG. 3 - MAXIMUM SURGE POWER
FIG. 4 - TYPICAL REVERSE LEAKAGE
1000
3
2
1
RECTANGULAR
NONREPETITIVE
WAVEFORM
Ta = 125 °C
TJ = 25 °C PRIOR
0.1
TO INITIAL PULSE
100
0.01
Ta = 25 °C
0.001
0.0001
10
10
1
100
1000
0.1
1
10
100
NOMINAL VZ (VOLTS)
PW, PULS WIDTH (ms)
3 of 4
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