Thermal characteristics and derating information, Derating curve, Transient thermal impedance – Diodes 2DB1132P/Q/R User Manual
Page 3: Pulse power dissipation
Advertising
2DB1132P/Q/R
Document number: DS31142 Rev: 6 - 2
3 of 6
December 2013
© Diodes Incorporated
2DB1132P/Q/R
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
ow
er
D
is
sipat
io
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
Ther
m
al
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
ow
er
D
is
si
pat
ion (
W
)
0
500
1000
1500
2000
2500
0
1
2
3
0
500
1000
1500
2000
2500
40.0
60.0
80.0
100.0
120.0
140.0
2oz copper
1oz copper
T
amb
=25°C
Copper Area (sqmm)
M
a
xi
m
u
m
P
o
wer (W)
2oz copper
1oz copper
T
amb
=25°C
Copper Area (sqmm)
T
herm
a
l Re
si
st
anc
e (°
C/
W)
Advertising