A Product Line of
Diodes Incorporated
FMMT618
Thermal Characteristics and Derating information
220
200
T
amb
=25°C
180
160
140
120
D=0.5
100
80
D=0.1
60
D=0.2
40
D=0.05
20
Single Pulse
0
100µ 1m 10m 100m 1
10
0.7
Thermal Resistance (°C/W)
Max Power Dissipation (W)
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
25
50
75
100
125
150
175
100
1k
Pulse Width (s)
Temperature (°C)
Transient Thermal Impedance
100
Single Pulse
T
amb
=25°C
Derating Curve
Maximum Power (W)
10
1
0.1
100µ
1m
10m 100m
1
10
100
1k
Pulse Width (s)
Pulse Power Dissipation
FMMT618
Document number: DS33111 Rev. 5 - 2
3 of 7
October 2012
© Diodes Incorporated