Diodes FMMT618 - Manual (Page 3)

FMMT618
Document number: DS33111 Rev. 5 - 2
3 of 7
www.diodes.com
October 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
FMMT618
Thermal Characteristics and Derating information
0 25 50 75 100 125 150 175
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Derating Curve
Temperature (°C)
M
a
x P
o
we
r D
issi
p
a
ti
o
n
(W
)
100µ 1m 10m 100m 1 10 100 1k
0
20
40
60
80
100
120
140
160
180
200
220
T
amb
=25°C
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
e
rm
a
l Re
si
st
a
n
ce
(°
C
/W
)
Pulse Width (s)
100µ 1m 10m 100m 1 10 100 1k
0.1
1
10
100
Single Pulse
T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
Ma
x
imu
m Po
w
e
r (
W
)