Safe operating area, Transient thermal impedance, Pulse power dissipation – Diodes ZXTR2008P5 User Manual
Page 3: Derating curve
POWERDI is a registered trademark of Diodes Incorporated.
ZXTR2008P5
Document number: DS36333 Rev. 1 – 2
3 of 7
February 2014
© Diodes Incorporated
ZXTR2008P5
A Product Line of
Diodes Incorporated
Thermal Characteristics and Derating Information
12 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)
Cont
in
uous O
u
tput
Current
(m
A
)
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
he
rm
a
l R
e
si
st
a
nce
(°
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
w
e
r Di
ssi
p
a
tio
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
ax P
ower Di
ssi
p
at
io
n (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
h
er
m
al
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
a
x P
o
we
r D
issi
pa
tio
n (W
)