User guide

ZXTN2018F
Issue 2 - September 2005 2 www.zetex.com
© Zetex Semiconductors plc 2005
Absolute maximum ratings
Thermal resistance
Parameter Symbol Limit Unit
Collector-base voltage V
CBO
140 V
Collector-emitter voltage V
(BR)CEV
140 V
Collector-emitter voltage V
CEO
60 V
Emitter-base voltage V
EBO
7V
Peak pulse current I
CM
12 A
Continuous collector current
(a)
I
C
5A
Base current I
B
1A
Power dissipation @ T
A
=25
o
C
(a)
Linear derating factor
P
D
1.0
8.0
W
mW/
o
C
Power dissipation @ T
A
=25
o
C
(b)
Linear derating factor
P
D
1.2
9.6
W
mW/
o
C
Power dissipation @ T
A
=25
o
C
(c)
Linear derating factor
P
D
1.56
12.5
W
mW/
o
C
Operating and storage temperature T
j
:T
stg
-55 to +150
o
C
Parameter Symbol Value Unit
Junction to ambient
(a)
NOTES:
(a) Mounted on 18mm x 18mm X 1.6mm FR4 PCB with a very high coverage of 2 oz weight copper in still air conditions.
R⍜
JA
125
o
C/W
Junction to ambient
(b)
(b) Mounted on 30mm x 30mm X 1.6mm FR4 PCB with a very high coverage of 2 oz weight copper in still air conditions.
R⍜
JA
104
o
C/W
Junction to ambient
(c)
(c) as (b) above measured at t<5secs.
R⍜
JA
80
o
C/W