Thermal characteristics, Safe operating area, Derating curve – Diodes DXT2011P5 User Manual
Page 3: Transient thermal impedance, Pulse power dissipation
DXT2011P5
Document number: DS32069 Rev. 3 - 2
3 of 7
April 2012
© Diodes Incorporated
DXT2011P5
POWERDI is a registered trademark of Diodes Incorporated.
ADVAN
CE I
N
F
O
RM
ATI
O
N
A Product Line of
Diodes Incorporated
Thermal Characteristics
10
100
1000
10000
20
40
60
80
100
120
140
160
180
10
100
1000
10000
0
1
2
3
4
100m
1
10
100
10m
100m
1
10
Single Pulse. T
amb
=25°C
50mmX50mm FR4 2oz Cu
V
CE(sat)
Limited
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
I
C
Col
le
ct
or Curre
nt
(A
)
V
CE
Collector-Emitter Voltage (V)
0
25
50
75
100
125
150
175
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Minimum pad
1oz Cu
25mmX25mm FR4
1oz Cu
50mmX50mm FR4
2oz Cu
Derating Curve
Temperature (°C)
M
a
x
P
o
w
e
r Di
s
s
ipat
ion (W)
100µ
1m
10m 100m
1
10
100
1k
0
10
20
30
40
Power Rating vs. Cu Area
Thermal Resistance vs. Cu Area
50mmX50mm FR4 2oz Cu
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
Th
er
mal R
e
s
is
ta
n
c
e
(
°C
/W
)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
Single Pulse. T
amb
=25°C
50mmX50mm FR4 2oz Cu
Pulse Power Dissipation
Pulse Width (s)
M
a
x
P
o
wer Di
s
s
ipat
ion (W)
2 oz. weight Copper
T
(amb)
=25°C
Copper Area (sq mm)
T
herm
a
l
Res
ist
anc
e
(°
C/
W)
1 oz. weight Copper
1 oz. weight Copper
2 oz. weight Copper
P
o
wer Rat
ing (W
)
Copper Area (sq mm)
T
(amb)
=25°C