Zxt951k, Typical thermal characteristics, Safe operating area – Diodes ZXT951K User Manual
Page 3: Derating curve, Transient thermal impedance, Pulse power dissipation

ZXT951K
Document number: DS33642 Rev. 3 - 2
3 of 7
August 2012
© Diodes Incorporated
A Product Line of
Diodes Incorporated
ZXT951K
Typical Thermal Characteristics
100µ
1m
10m 100m
1
10
100
1k
0
10
20
30
40
50
60
0.1
1
10
10m
100m
1
10
100m
1
10
10m
100m
1
10
T
amb
=25°C
25mm x 25mm
1oz FR4
V
CE(sat)
Limit
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
-I
C
Co
lle
c
to
r Cu
rre
n
t (A
)
-V
CE
Collector-Emitter Voltage (V)
0
20
40
60
80
100 120 140 160
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
50mm x 50mm
2oz FR4
25mm x 25mm
1oz FR4
Derating Curve
Temperature (°C)
M
ax P
o
we
r Di
ssi
pa
ti
o
n
(W
)
100µ
1m
10m 100m
1
10
100
1k
0
5
10
15
20
25
30
T
amb
=25°C
25mm x 25mm
1oz FR4
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
Ther
m
a
l Res
is
tanc
e (
°C
/W)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
25mm x 25mm
1oz FR4
50mm x 50mm
2oz FR4
Safe Operating Area
Single Pulse
T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
M
ax P
o
we
r Di
ssi
pa
ti
o
n
(W
)
D=0.1
D=0.05
Single Pulse
D=0.2
D=0.5
T
amb
=25°C
50mm x 50mm
2oz FR4
Transient Thermal Impedance
Pulse Width (s)
Ther
m
a
l Res
is
tanc
e (
°C
/W)
T
amb
=25°C
50mm x 50mm
2oz FR4
100µs
1ms
10ms
100ms
1s
DC
V
CE(sat)
Limit
-V
CE
Collector-Emitter Voltage (V)
-I
C
C
ol
lec
tor
C
ur
rent
(
A
)