PNP SILICON PLANAR MEDIUM POWER
HIGH CURRENT TRANSISTOR
ISSUE 2 JUNE 94
FEATURES
* 4.5 Amps continuous current
* Up to 20 Amps peak current
* Very low saturation voltage
* High gain
* Spice model available
ABSOLUTE MAXIMUM RATINGS.
PARAMETER SYMBOL VALUE UNIT
Collector-Base Voltage V
CBO
-15 V
Collector-Emitter Voltage V
CEO
-12 V
Emitter-Base Voltage V
EBO
-6 V
Peak Pulse Current I
CM
-20 A
Continuous Collector Current I
C
-4.5 A
Practical Power Dissipation* P
totp
1.58 W
Power Dissipation at T
amb
=25°C P
tot
1.2 W
Operating and Storage Temperature Range T
j
:T
stg
-55 to +200 °C
*The power which can be dissipated assuming the device is mounted in a typical manner on a
P.C.B. with copper equal to 1 inch square minimum
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C unless otherwise stated)
PARAMETER SYMBOL MIN. TYP. MAX. UNIT CONDITIONS.
Collector-Base Breakdown
Voltage
V
(BR)CBO
-15 -28 V
I
C
=-100µA
Collector-Emitter Breakdown
Voltage
V
(BR)CEO
-12 -20 V I
C
=-10mA*
Emitter-Base Breakdown
Voltage
V
(BR)EBO
-6 -8 V
I
E
=-100µA
Collector Cut-Off Current I
CBO
-50
-1
nA
µA
V
CB
=-12V
V
CB
=-12V, T
amb
=100°C
Emitter Cut-Off Current I
EBO
-10 nA V
EB
=-6V
Collector-Emitter Saturation
Voltage
V
CE(sat)
-50
-100
-220
-100
-150
-300
mV
mV
mV
I
C
=-500mA, I
B
=-5mA*
I
C
=-2A, I
B
=-50mA*
I
C
=-5A, I
B
=-200mA*
Base-Emitter
Saturation Voltage
V
BE(sat)
-930 -1050 mV I
C
=-5A, I
B
=-200mA*
Base-Emitter
Turn-On Voltage
V
BE(on)
-830 -1000 mV IC=-5A, V
CE
=-1V*
E-Line
TO92 Compatible
ZTX968
3-333
C
B
E
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C)
PARAMETER SYMBOL MIN. TYP. MAX. UNIT CONDITIONS.
Static Forward Current
Transfer Ratio
h
FE
300
300
200
150
450
450
300
240
50
1000
I
C
=-10mA, V
CE
=-1V*
I
C
=-500mA, V
CE
=-1V*
I
C
=-5A, V
CE
=-1V*
I
C
=-10A, V
CE
=-1V*
I
C
=-20A, V
CE
=-1V*
Transition Frequency f
T
80 MHz I
C
=-100mA, V
CE
=-10V
f=50MHz
Output Capacitance C
obo
161 pF V
CB
=-20V, f=1MHz
Switching Times t
on
t
off
120
116
ns
ns
I
C
=-4A, I
B1
=-400mA
I
B2
=400mA, V
CC
=-10V
*Measured under pulsed conditions. Pulse width=300
µs. Duty cycle ≤2%
THERMAL CHARACTERISTICS
PARAMETER SYMBOL MAX. UNIT
Thermal Resistance: Junction to Ambient
Junction to Case
R
th(j-amb)
R
th(j-case)
150
50
°C/W
°C/W
ZTX968
-40
2.0
1.0
0.0001
50
150
100
Derating curve
T -Temperature (°C)
M
a
x
P
ower
D
iss
ipa
tion
-
(W
a
tt
s
)
Maximum transient thermal impedance
Pulse Width (seconds)
Thermal Resistance (°C/W)
10 10010.10.01
4.0
3.0
-20 0 20
40 60 80 100 120 200180160140
t
1
t
P
D=t
1
/t
P
Case te
mperatu
r
e
Ambien
t t
empe
rat
ure
D.C.
D=0.6
D=0.2
D=0.1
Single Pulse
0.001
0
D=0.05
3-334
