ISSUE 3 - SEPTEMBER 2001
18
Zetex plc
Fields New Road
Chadderton
Oldham, OL9 8NP
United Kingdom
Telephone (44) 161 622 4422
Fax: (44) 161 622 4420
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Zetex Inc
Suite 315
700 Veterans Memorial Highway
Hauppauge NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Zetex (Asia) Ltd
3701-04 Metroplaza, Tower 1
Hing Fong Road
Kwai Fong, Hong Kong
China
Telephone: (852) 26100 611
Fax: (852) 24250 494
These offices are supported by agents and distributors in major countries world-wide.
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.
For the latest product information, log on to
www.zetex.com
© Zetex plc 2001
ZSR
SERIES
Thermal Resistance v Pulse Width
Pulse Width (s)
1m 100m
Thermal Resistance (˚C/W)
0
60
11010m
20
40
80
100
120
140
160
SO8 PACKAGE
D=0.2
D=0.1
D=0.05
D=0
Power dissipation Derating
Ambient Temperature (˚C)
-50
0
Maximum Power Dissipation (W)
0
1.0
25
50
-25
0.8
0.6
0.4
0.2
1.4
1.2
1.6
1.8
75 100125
2.0
SOT223
SO8
TO92
100µ
100
D=1
D=0.5
TYPICAL CHARACTERISTICS