Fcx491a, Thermal characteristics and derating information, Derating curve – Diodes FCX491A User Manual
Page 3: Transient thermal impedance, Pulse power dissipation
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FCX491A
Da
tasheet Number: DS33055 Rev. 5 - 2
3 of 7
October 2012
© Diodes Incorporated
FCX491A
A Product Line of
Diodes Incorporated
Thermal Characteristics and Derating Information
0
25
50
75
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
Derating Curve
Temperature (°C)
M
ax
P
o
wer
D
is
s
ip
at
ion (
W
)
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
100
120
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
Ther
mal
R
es
is
tanc
e (
°C
/W)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
Single Pulse. T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
M
a
x P
o
we
r Di
ssi
p
at
io
n
(W)
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