Diodes FCX789A - Manual (Page 3)

FCX789A
Da
tasheet Number: DS33074 Rev. 2 - 2
3 of 7
www.diodes.com
December 2012
© Diodes Incorporated
FCX789A
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
a
x P
o
we
r Di
ssi
pa
tio
n
(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
T
herm
a
l Res
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
wer
Di
ss
ipat
ion (W)