Zxtn618ma, Thermal characteristics, Safe operating area – Diodes ZXTN618MA User Manual
Page 3: Derating curve, Transient thermal impedance, Thermal resistance v board area, Power dissipation v board area
ZXTN618MA
Document Number DS31890 Rev. 5 – 2
3 of 7
January 2011
© Diodes Incorporated
A Product Line of
Diodes Incorporated
ZXTN618MA
Thermal Characteristics
0.1
1
10
0.01
0.1
1
10
0
25
50
75
100
125
150
0.0
0.5
1.0
1.5
2.0
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
0.1
1
10
100
0
25
50
75
100
125
150
175
200
225
0.1
1
10
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
100us
100ms
1s
V
CE(SAT)
Limited
1ms
Safe Operating Area
Single Pulse, T
amb
=25°C
DC
10ms
I
C
Col
le
c
to
r Curre
nt
(A
)
V
CE
Collector-Emitter Voltage (V)
Derating Curve
10 sqcm
Single
oz Cu
T
amb
=25°C
M
a
x P
o
we
r D
issi
p
a
ti
o
n
(W
)
Temperature (°C)
10 sqcm
Single
oz Cu
T
amb
=25°C
D=0.2
D=0.5
D=0.1
Transient Thermal Impedance
Single Pulse
D=0.05
Therm
a
l R
e
sistance
(°
C
/W
)
Pulse Width (s)
Thermal Resistance v Board Area
1oz copper
2oz copper
Therm
a
l R
e
sistance
(°
C
/W
)
Board Cu Area (sqcm)
1oz copper
2oz copper
Power Dissipation v Board Area
T
amb
=25°C
T
j max
=150°C
Continuous
P
D
Di
s
s
ipa
ti
on
(W)
Board Cu Area (sqcm)