MIL-PRF-19500/608D
TemT5°MraN66TURE-Tu,rRN6n6T DTe,raNNG gUCVErAGE
pe P1 RureCCCU 1 RE6 t0 D1 AE tTnC PR uKve
E
E A
t 60 -A 1 re N DER TI i IRE AC
T =2 C
C TC=25°C 1N6660CAT1, 1N6660DT1, Entire Package
35
30
25
20
15
10
5
0
25
50
75
100
125
150
175
Squarewave Operation 50% Duty Cycle
Tc (ºC) (Case)
Thermal Resistance Junction to Case = 1.5ºC/W
NOTES:
1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at ≤ TJ
specified on this curve. Any parallel line to this curve will intersect the appropriate current for the desired
maximum TJ allowed.
2. Derate design curve constrained by the maximum junction temperature (TJ ≤ 150°C) and power rating specified.
(See 1.3 herein.)
3. Derate design curves chosen at TJ ≤ 125°C, and 110°C to show current rating where most users want to limit
TJ in their application.
FIGURE 3. Temperature-current derating graph 1N6660CAT1, 1N6660DT1, die 1.
11
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