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
Transiant Thermal Resistance ( C/W)
20
60
100
140
180
1ms 10ms 100ms 10s 100s1s
160
120
80
40
0
Derating curve
T
-Temperature
(° C)
M
ax
Powe
r
Dissi
pat
ion
-
(
Wa
t
t
s
)
-40
0.50
0.25
1.0
0.75
04080
120 200160
Ambien
t
t
empe
rat
u
re
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.
Fields New Road, Chadderton, Oldham, OL9-8NP, United Kingdom.
Telephone: (44)161 622 4422 (Sales), (44)161 622 4444 (General Enquiries)
Fax: (44)161 622 4420
Zetex GmbH Zetex Inc. Zetex (Asia) Ltd. These are supported by
Streitfeldstraße 19 47 Mall Drive, Unit 4 3510 Metroplaza, Tower 2 agents and distributors in
D-81673 München Commack NY 11725 Hing Fong Road, major countries world-wide
Germany USA Kwai Fong, Hong Kong
Zetex plc 1998
Telefon: (49) 89 45 49 49 0 Telephone: (516) 543-7100 Telephone:(852) 26100 611
Fax: (49) 89 45 49 49 49 Fax: (516) 864-7630 Fax: (852) 24250 494 Internet:http://www.zetex.com
This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied
or reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or
services concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any
product or service.
