FZT1149A
THERMAL CHARACTERISTICS
4
D = 1
50
D=t1
t1
3
2
tP
40
tP
30
D=0.5
D=0.2
D=0.1
20
10
0
1
D=0.05
Single Pulse
0
100µs 1ms 10ms 100ms
1s
10s
100s
0
20
40
60
80 100 120 140 160
Pulse Width
T - Ambient Temperature (°C)
Transient Thermal Resistance
Derating curve
SPICE PARAMETERS
*ZETEX FZT1149A Spice model Last revision 10/1/97
*
.MODEL
FZT1149A 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.
