Diodes ZTX718 - Manual (Page 4)

ZTX718
D=1(D.C.)
D=0.2
D=0.1
D=0.05
D=0.5
Single Pulse
D=t1
tP
t1
tP
Transient Thermal Resistance
Pulse Width
0.1ms
T
ran
s
ian
t T
h
er
m
a
l R
e
s
is
tan
c
e
(
C
/W
)
20
60
100
140
180
1ms 10ms 100ms 10s 100s 1s
160
120
80
40
0
Derating curve
T -Temperature (° C)
M
ax
Powe
r
D
issi
pat
ion
-
(Wa
tt
s
)
-40
0.50
0.25
1.0
0.75
0 40 80 120 200 160
Am
bien
t tempe
rat
ure
THERMAL CHARACTERISTICS
PARAMETER SYMBOL MAX. UNIT
Thermal Resistance:
Junction to Ambient
1
Junction to Ambient
2
R
th(j-amb)1
R
th(j-amb)2
†
175
116 °C/W
°C/W
† Device mounted on P.C.B. with copper equal to 1 sq. Inch minimum.
Zetex plc.
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Zetex plc 1998
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