Ztx1147a, Derating curve – Diodes ZTX1147A User Manual
Page 4
ZTX1147A
SPICE PARAMETERS
* ZETEX ZTX1147 Spice model Last revision 10/12/96
*
.MODEL
ZTX1147 PNP IS=1.272e-12 NF=0.989 ISE=2.5e-13 NE=1.65
+
BF=500 VAF=14.59 IKF=8 NR=1 ISC=8e-14 NC= 1.6
+
BR=90 VAR=3.1 IKR=1.2 RE=15e-3 RB=145e-3
+
RC=13e-3 CJE=560e-12
+
CJC=255e-12 VJC=0.6288
+
MJC=0.4048 TF=1.2e-9 TR=13e-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.
Transient Thermal Resistance
Pulse Width
0.1ms
T
ransiant Ther
m
a
l
Re
sistanc
e ( C/
W)
20
60
100
140
180
1ms
10ms
100ms
10s
100s
1s
160
120
80
40
0
D=1(D.C)
D=0.2
D=0.1
D=0.05
D=0.5
t1
tp
D=t1
tp
Single Pulse
Derating curve
T
-Temperature
(°C)
Ma
x
Pow
e
r
D
is
sipa
ti
on
-
(W
att
s
)
-40
0.50
0.25
1.0
0.75
0
40
80
120
200
160
Am
bi
ent t
em
pe
rature
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.
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Streitfeldstraße 19
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agents and distributors in
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major countries world-wide
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USA
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Zetex plc 1997
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
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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.