Typical thermal characteristics, Safe operating area, Derating curve – Diodes ZXTN25040DFH User Manual
Page 3: Transient thermal impedance, Pulse power dissipation
ZXTN25040DFH
Document number: DS33697 Rev. 2 - 2
3 of 7
January 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
ZXTN25040DFH
Typical Thermal Characteristics
0
20
40
60
80
100
120
140
1µ
10µ
100µ
1m
100m
1
10
10m
100m
1
10
Safe Operating Area
50mmX50mm FR4
2oz Cu
Single Pulse
T
amb
=25°C
V
CE(sat)
Limited
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
I
C
Co
llect
o
r Cu
rr
en
t (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
1.2
1.4
25mmX25mm FR4
2oz Cu
15mmX15mm FR4
1oz Cu
Derating Curve
Temperature (°C)
M
a
x P
o
wer Di
ss
ip
at
io
n
(W)
50mmX50mm FR4
2oz Cu
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
100
T
amb
=25°C
50mmX50mm FR4
2oz Cu
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
er
m
a
l Res
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
50mmX50mm FR4
2oz Cu
Pulse Power Dissipation
Pulse Width (s)
M
a
x
imu
m
Po
w
e
r (
W
)
BV
(BR)CEX
=130V
BV
(BR)CEO
=40V
Failure may occur
in this region
T
amb
=25°C
V
CE
Collector-Emitter Voltage (V)
I
C
Col
lec
to
r Curr
ent
(A
)