Thermal characteristics and derating information, Vs area p, Vs area – Diodes 2DB1188P/Q/R User Manual
Page 3: Safe operating area, Derating curve, Transient thermal impedance, Pulse power dissipation
2DB1188P/Q/R
Document number: DS31144 Rev. 7 - 2
3 of 7
February 2013
© Diodes Incorporated
2DB1188P/Q/R
Thermal Characteristics and Derating Information
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
100m
1
10
10m
100m
1
R
TH
vs Area
P
D
vs Area
15x15mm 1oz
Single Pulse
T
amb
=25°C
V
CE(sat)
Limited
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
-I
C
Col
le
ct
or Current
(A
)
-V
CE
Collector-Emitter Voltage (V)
0
20
40
60
80
100 120 140 160
0.0
0.2
0.4
0.6
0.8
1.0
15x15mm 1oz
Derating Curve
Temperature (°C)
M
a
x P
owe
r
Di
ssi
p
a
tio
n
(W
)
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
100
120
15x15mm 1oz
T
amb
=25°C
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
The
rm
al
Res
is
tanc
e
(°
C
/W)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
15x15mm 1oz
Single Pulse
T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
Ma
xi
m
u
m Po
w
e
r (
W
)
2oz copper
1oz copper
T
amb
=25°C
Copper Area (sqmm)
Max
imu
m
P
o
w
e
r
(W
)
2oz copper
1oz copper
T
amb
=25°C
Copper Area (sqmm)
T
h
e
rm
a
l Re
si
st
a
nce
(°
C/
W
)