ZTX1149A
Transiant Thermal Resistance ( C/W)
180
160
140
120
100
80
D=0.2
D=0.5
tp
D=t1
tp
t1
1.0
Max Power Dissipation - (Watts)
D=1(D.C)
0.75
Am
em
tt
en
bi
0.50
r
pe
at
60
40
20
0
e
ur
D=0.1
D=0.05
Single Pulse
0.25
0.1ms
1ms
10ms
100ms
1s
10s
100s
-40
0
40
80
120
160
200
Pulse Width
T -Temperature
(°C)
Transient Thermal Resistance
Derating curve
*ZETEX ZTX1149 Spice model Last revision 10/1/97
*
.MODEL
ZTX1149 PNP IS =9.5e-13 NF=1.002 ISE=1.2e-13 NE =1.4 BF =520
+
VAF=24.97 IKF=5 NR =0.997 ISC=4.5E-13 NC =1.25
+
BR = 40 VAR=2.51 IKR=0.7 RE =20e-3 RB =150e-3
+
RC =10e-3 CJE=490e-12 CJC=150e-12 VJC=1.094
+
MJC= 0.4739 TF =1e-9 TR = 3.5e-9
*
*
©1995 ZETEX PLC
The copyright in this model and the design embodied belong to Zetex PLC (“Zetex”). It is
supplied free of charge by Zetex for the purpose of research and design and may be used or
copied intact (including this notice) for that purpose only. All other rights are reserved. The
model is believed accurate but no condition or warranty as to its merchantability or fitness for
purpose is given and no liability in respect of any use is accepted by Zetex PLC, its distributors
or agents.
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
Streitfeldstraße 19
D-81673 München
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Zetex Inc.
47 Mall Drive, Unit 4
Commack NY 11725
USA
Telephone: (516) 543-7100
Fax: (516) 864-7630
Zetex (Asia) Ltd.
3510 Metroplaza, Tower 2
Hing Fong Road,
Kwai Fong, Hong Kong
Telephone:(852) 26100 611
Fax: (852) 24250 494
These are supported by
agents and distributors in
major countries world-wide
©
Zetex plc 1997
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.
ZETEX [ ZETEX SEMICONDUCTORS ]
