Thermal characteristics and derating information, Safe operating area, Transient thermal impedance – Diodes ZXTR2012P5 User Manual
Page 3: Pulse power dissipation, Derating curve

POWERDI is a registered trademark of Diodes Incorporated.
ZXTR2012P5
Document number: DS36766 Rev. 1 – 2
3 of 8
December 2013
© Diodes Incorporated
ZXTR2012P5
A Product Line of
Diodes Incorporated
Thermal Characteristics and Derating Information
20
30
40
50
60
70
80
90 100
10
100
T
J
= 125°C
= 150°C
Steady state D.C.
T
A
= 25°C
T
J
125°C
15mm x 15mm
1oz Cu
50mm x 50mm
1oz Cu
Safe Operating Area
Input Voltage (V)
C
o
nt
in
uo
us
Out
pu
t C
u
rr
en
t (mA
)
100µ 1m 10m 100m 1
10
100
1k
10k
0
10
20
30
40
50
60
50mm x 50mm
1oz Cu
50mm x 50mm
1oz Cu
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
er
m
a
l Resi
st
an
ce
(°
C/
W
)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
50
Single Pulse
T
A
= 25°C
T
J
125°C
Single Pulse
T
A
= 25°C
T
J
125°C
Pulse Power Dissipation
Pulse Width (s)
M
a
x P
o
we
r Di
ss
ip
at
io
n (W)
0
25
50
75
100
125
150
0.0
0.5
1.0
1.5
2.0
2.5
50mm x 50mm
1oz Cu
15mm x 15mm
1oz Cu
Derating Curve
Ambient temperature (°C)
M
a
x P
ow
er
D
is
si
p
at
ion
(W)
100µ 1m 10m 100m 1
10
100
1k
10k
0
20
40
60
80
100
120
15mm x 15mm
1oz Cu
15mm x 15mm
1oz Cu
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
herm
a
l Re
si
st
an
ce (°
C/
W)
Pulse Width (s)
100µ 1m 10m 100m 1
10
100
1k
10k
0.1
1
10
50
Pulse Power Dissipation
Pulse Width (s)
M
ax
P
o
wer Di
ss
ip
at
io
n (W)