Safe operating area, Transient thermal impedance, Pulse power dissipation – Diodes ZXTR1005K4 User Manual
Page 3: Derating curve
ZXTR1005K4
Datasheet number: DS36315
Rev. 1– 2
3 of 8
January 2014
© Diodes Incorporated
ZXTR1005K4
A Product Line of
Diodes Incorporated
Thermal Characteristics and Derating Information
10
20
30
40
50
60
70
80
90 100
0
20
40
60
80
100
Steady state D.C.
T
A
= 25°C
15mm x 15mm
1oz Cu
Safe Operating Area
Input Voltage (V)
Cont
inuous
Out
put
Current
(m
A
)
100µ 1m 10m 100m 1
10
100
1k
10k
0
10
20
30
40
50mm x 50mm
1oz Cu
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
herm
al
Res
ist
anc
e
(°
C/
W)
Pulse Width (s)
50mm x 50mm
1oz Cu
100µ
1m
10m 100m
1
10
100
1k
1
10
100
Single Pulse
T
A
=25°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
3.0
15mm x 15mm
1oz Cu
Derating Curve
Ambient Temperature (°C)
M
ax
P
o
wer Di
ss
ipat
io
n (W)
100µ 1m 10m 100m 1
10
100
1k
10k
-10
0
10
20
30
40
50
60
70
80
90
100
15mm x 15mm
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)
50mm x 50mm
1oz Cu
100µ 1m 10m 100m 1
10
100
1k
10k
1
10
100
Single Pulse
T
A
=25°C
Pulse Power Dissipation
Pulse Width (s)
M
a
x P
o
we
r D
issi
pa
tio
n (W
)