Transient Thermal Resistance
Pulse Width
0.1ms
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)
Max Power Dissipation - (Watts)
-40
0.50
0.25
1.0
0.75
040 80 120 200160
Ambient temperature
SPICE PARAMETERS
*ZETEX ZTX1049A Spice model Last revision 15/6/95
*
.MODEL ZTX1049A NPN IS=1.5E-12 NF=1.0 BF=600 IKF=7.5 VAF=100
+ ISE=0.9E-13 NE=1.25 NR=1.0 BR=150 IKR=3 VAR=15
+ ISC=5.0E-13 NC=1.76 RB=0.1 RE=0.018 RC=0.007
+ CJC=136E-12 CJE=550E-12 MJC=0.352 MJE=0.36
+ VJC=0.554 VJE=0.726 TF=400E-12 TR=6.9E-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.
ZTX1049A
NPN SILICON PLANAR MEDIUM POWER
HIGH GAIN TRANSISTOR
ISSUE 1 JUNE 1995
FEATURES
*V
CEV = 80V
* Very low saturation voltages
*High Gain
* 20 Amps pulse current
APPLICATIONS
* LCD Backlight converters
* Emergency lighting
* DC-DC converters
ABSOLUTE MAXIMUM RATINGS.
PARAMETER SYMBOL VALUE UNIT
Collector-Base Voltage VCBO 80 V
Collector-Emitter Voltage VCEO 25 V
Emitter-Base Voltage VEBO 5V
Peak Pulse Current ICM 20 A
Continuous Collector Current IC4A
Base Current IB500 mA
Power Dissipation at Tamb
=25°C Ptot 1W
Operating and Storage Temperature
Range
Tj:Tstg -55 to +200 °C
C
B
E
E-Line
TO92 Compatible
ZTX1049A
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 1997
Telefon: (49) 89 45 49 49 0 Telephone: (516) 543-7100 Telephone:(852) 26100 611 Internet:
Fax: (49) 89 45 49 49 49 Fax: (516) 864-7630 Fax: (852) 24250 494 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.