PNP SILICON PLANAR MEDIUM POWER
HIGH GAIN TRANSISTOR
ISSUE 2 APRIL 94
FEATURES
* 70 Volt V
CEO
* Gain of 400 at I
C
=3 Amps
* Very low saturation voltage
APPLICATIONS
* Darlington replacement
* Flash gun convertors
* Battery powered circuits
* Motor drivers
ABSOLUTE MAXIMUM RATINGS.
PARAMETER SYMBOL VALUE UNIT
Collector-Base Voltage V
CBO
-75 V
Collector-Emitter Voltage V
CEO
-70 V
Emitter-Base Voltage V
EBO
-5 V
Peak Pulse Current I
CM
-4 A
Continuous Collector Current I
C
-2 A
Practical Power Dissipation* P
totp
1.5 W
Power Dissipation at T
amb
=25°C
derate above 25°C
P
tot
1
5.7
W
mW/°C
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)
PARAMETER SYMBOL MIN. TYP. MAX. UNIT CONDITIONS.
Collector-Base Breakdown
Voltage
V
(BR)CBO
-75 V
I
C
=-100µA
Collector-Emitter Breakdown
Voltage
V
(BR)CEO
-70 V I
C
=-10mA*
Emitter-Base Breakdown
Voltage
V
(BR)EBO
-5 V
I
E
=-100µA
Collector Cut-Off Current I
CBO
-0.1
µA
V
CB
=-40V
Emitter Cut-Off Current I
EBO
-0.1
µA
V
EB
=-4V
Collector-Emitter Saturation
Voltage
V
CE(sat)
-0.45
-0.5
-0.5
V
V
V
I
C
=-500mA, I
B
=-5mA*
I
C
=-1A, I
B
=-25mA*
I
C
=-2A, I
B
=-200mA*
Base-Emitter
Saturation Voltage
V
BE(sat)
-0.95 V I
C
=-1A, I
B
=-25mA*
Base-Emitter
Turn-On Voltage
V
BE(on)
-0.75 V IC=-1A, V
CE
=-2V*
Static Forward Current
Transfer
h
FE
300
250
200
800 I
C
=-10mA, V
CE
=-2V*
I
C
=-500mA, V
CE
=-2V*
I
C
=-1A, V
CE
=-2V*
E-Line
TO92 Compatible
ZTX792A
3-282
C
B
E
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C)
PARAMETER SYMBOL MIN. TYP. MAX. UNIT CONDITIONS.
Transition Frequency f
T
100 MHz I
C
=-50mA, V
CE
=-5V
f=50MHz
Input Capacitance C
ibo
225 pF V
EB
=-0.5V, f=1MHz
Output Capacitance C
obo
22 pF V
CB
=-10V, f=1MHz
Switching Times t
on
t
off
35
750
ns
ns
I
C
=-500mA, I
B1
=-50mA
I
B2
=-50mA, 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
1
Junction to Ambient
2
Junction to Case
R
th(j-amb)1
R
th(j-amb)2
R
th(j-case)
175
116
70
°C/W
°C/W
°C/W
Device mounted on P.C.B. with copper equal to 1 sq. Inch minimum.
ZTX792A
-40 0.0001
Derating curve
T -Temperature (°C)
M
ax Po
we
r
D
issipati
o
n
-
(
W
a
tts)
Maximum transient thermal impedance
Pulse Width (seconds)
Thermal Resistance (°C/W)
10 10010.10.01-20 0 20
40 60 80 100 120 200180160140
0.001
0
100
200
D=0.2
D=0.1
Single Pulse
D=0.5
t
1
t
P
D=t
1
/t
P
1.0
0.5
2.0
1.5
Case temperature
2.5
Ambient temperat
ure
0
D=1 (D.C.)
3-283
